<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:d4914362-363f-4128-bca2-5b50650c654b,g:30384e85-aa25-4d8f-b4b0-947be3ef4d18-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:hlly="http://www.holley.com/20251231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.holley.com/20251231">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cyd-af-sub/2025" schemaLocation="https://xbrl.sec.gov/cyd/2025/cyd-af-sub-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="hlly-20251231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="hlly-20251231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="hlly-20251231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="hlly-20251231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.holley.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.holley.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETS" roleURI="http://www.holley.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>9952151 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETSParentheticals" roleURI="http://www.holley.com/role/CONSOLIDATEDBALANCESHEETSParentheticals">
        <link:definition>9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parentheticals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" roleURI="http://www.holley.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS">
        <link:definition>9952153 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" roleURI="http://www.holley.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY">
        <link:definition>9952154 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.holley.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIIValuationandQualifyingAccounts" roleURI="http://www.holley.com/role/ScheduleIIValuationandQualifyingAccounts">
        <link:definition>9952156 - Disclosure - Schedule II - Valuation and Qualifying Accounts</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DESCRIPTIONOFTHEBUSINESSBASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES" roleURI="http://www.holley.com/role/DESCRIPTIONOFTHEBUSINESSBASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES">
        <link:definition>9952157 - Disclosure - DESCRIPTION OF THE BUSINESS, BASIS OF PRESENTATION, AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BUSINESSCOMBINATIONANDDIVESTITURES" roleURI="http://www.holley.com/role/BUSINESSCOMBINATIONANDDIVESTITURES">
        <link:definition>9952158 - Disclosure - BUSINESS COMBINATION AND DIVESTITURES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORY" roleURI="http://www.holley.com/role/INVENTORY">
        <link:definition>9952159 - Disclosure - INVENTORY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNET" roleURI="http://www.holley.com/role/PROPERTYPLANTANDEQUIPMENTNET">
        <link:definition>9952160 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDOTHERINTANGIBLEASSETS" roleURI="http://www.holley.com/role/GOODWILLANDOTHERINTANGIBLEASSETS">
        <link:definition>9952161 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDLIABILITIES" roleURI="http://www.holley.com/role/ACCRUEDLIABILITIES">
        <link:definition>9952162 - Disclosure - ACCRUED LIABILITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBT" roleURI="http://www.holley.com/role/DEBT">
        <link:definition>9952163 - Disclosure - DEBT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMONSTOCKWARRANTSANDEARNOUTLIABILITY" roleURI="http://www.holley.com/role/COMMONSTOCKWARRANTSANDEARNOUTLIABILITY">
        <link:definition>9952164 - Disclosure - COMMON STOCK WARRANTS AND EARN-OUT LIABILITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEINSTRUMENTS" roleURI="http://www.holley.com/role/DERIVATIVEINSTRUMENTS">
        <link:definition>9952165 - Disclosure - DERIVATIVE INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEMEASUREMENTS" roleURI="http://www.holley.com/role/FAIRVALUEMEASUREMENTS">
        <link:definition>9952166 - Disclosure - FAIR VALUE MEASUREMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUE" roleURI="http://www.holley.com/role/REVENUE">
        <link:definition>9952167 - Disclosure - REVENUE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXES" roleURI="http://www.holley.com/role/INCOMETAXES">
        <link:definition>9952168 - Disclosure - INCOME TAXES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHARE" roleURI="http://www.holley.com/role/EARNINGSPERSHARE">
        <link:definition>9952169 - Disclosure - EARNINGS PER SHARE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONPLANS" roleURI="http://www.holley.com/role/EQUITYBASEDCOMPENSATIONPLANS">
        <link:definition>9952170 - Disclosure - EQUITY-BASED COMPENSATION PLANS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTS" roleURI="http://www.holley.com/role/LEASECOMMITMENTS">
        <link:definition>9952171 - Disclosure - LEASE COMMITMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MAJORDISTRIBUTIONPARTNERCUSTOMERS" roleURI="http://www.holley.com/role/MAJORDISTRIBUTIONPARTNERCUSTOMERS">
        <link:definition>9952172 - Disclosure - MAJOR DISTRIBUTION PARTNER CUSTOMERS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RESTRUCTURINGANDMANAGEMENTFEECOSTS" roleURI="http://www.holley.com/role/RESTRUCTURINGANDMANAGEMENTFEECOSTS">
        <link:definition>9952173 - Disclosure - RESTRUCTURING AND MANAGEMENT FEE COSTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIES" roleURI="http://www.holley.com/role/COMMITMENTSANDCONTINGENCIES">
        <link:definition>9952174 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTS" roleURI="http://www.holley.com/role/SEGMENTS">
        <link:definition>9952175 - Disclosure - SEGMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUBSEQUENTEVENTS" roleURI="http://www.holley.com/role/SUBSEQUENTEVENTS">
        <link:definition>9952176 - Disclosure - SUBSEQUENT EVENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DESCRIPTIONOFTHEBUSINESSBASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies" roleURI="http://www.holley.com/role/DESCRIPTIONOFTHEBUSINESSBASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies">
        <link:definition>9955511 - Disclosure - DESCRIPTION OF THE BUSINESS, BASIS OF PRESENTATION, AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIIValuationandQualifyingAccountsTables" roleURI="http://www.holley.com/role/ScheduleIIValuationandQualifyingAccountsTables">
        <link:definition>9955512 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORYTables" roleURI="http://www.holley.com/role/INVENTORYTables">
        <link:definition>9955513 - Disclosure - INVENTORY (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETTables" roleURI="http://www.holley.com/role/PROPERTYPLANTANDEQUIPMENTNETTables">
        <link:definition>9955514 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDOTHERINTANGIBLEASSETSTables" roleURI="http://www.holley.com/role/GOODWILLANDOTHERINTANGIBLEASSETSTables">
        <link:definition>9955515 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDLIABILITIESTables" roleURI="http://www.holley.com/role/ACCRUEDLIABILITIESTables">
        <link:definition>9955516 - Disclosure - ACCRUED LIABILITIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTTables" roleURI="http://www.holley.com/role/DEBTTables">
        <link:definition>9955517 - Disclosure - DEBT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEMEASUREMENTSTables" roleURI="http://www.holley.com/role/FAIRVALUEMEASUREMENTSTables">
        <link:definition>9955518 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUETables" roleURI="http://www.holley.com/role/REVENUETables">
        <link:definition>9955519 - Disclosure - REVENUE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESTables" roleURI="http://www.holley.com/role/INCOMETAXESTables">
        <link:definition>9955520 - Disclosure - INCOME TAXES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHARETables" roleURI="http://www.holley.com/role/EARNINGSPERSHARETables">
        <link:definition>9955521 - Disclosure - EARNINGS PER SHARE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONPLANSTables" roleURI="http://www.holley.com/role/EQUITYBASEDCOMPENSATIONPLANSTables">
        <link:definition>9955522 - Disclosure - EQUITY-BASED COMPENSATION PLANS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTSTables" roleURI="http://www.holley.com/role/LEASECOMMITMENTSTables">
        <link:definition>9955523 - Disclosure - LEASE COMMITMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MAJORDISTRIBUTIONPARTNERCUSTOMERSTables" roleURI="http://www.holley.com/role/MAJORDISTRIBUTIONPARTNERCUSTOMERSTables">
        <link:definition>9955524 - Disclosure - MAJOR DISTRIBUTION PARTNER CUSTOMERS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RESTRUCTURINGANDMANAGEMENTFEECOSTSTables" roleURI="http://www.holley.com/role/RESTRUCTURINGANDMANAGEMENTFEECOSTSTables">
        <link:definition>9955525 - Disclosure - RESTRUCTURING AND MANAGEMENT FEE COSTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIESTables" roleURI="http://www.holley.com/role/COMMITMENTSANDCONTINGENCIESTables">
        <link:definition>9955526 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTSTables" roleURI="http://www.holley.com/role/SEGMENTSTables">
        <link:definition>9955527 - Disclosure - SEGMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIIValuationandQualifyingAccountsValuationandQualifyingAccountsDetails" roleURI="http://www.holley.com/role/ScheduleIIValuationandQualifyingAccountsValuationandQualifyingAccountsDetails">
        <link:definition>9955528 - Disclosure - Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DESCRIPTIONOFTHEBUSINESSBASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetails" roleURI="http://www.holley.com/role/DESCRIPTIONOFTHEBUSINESSBASISOFPRESENTATIONANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetails">
        <link:definition>9955529 - Disclosure - DESCRIPTION OF THE BUSINESS, BASIS OF PRESENTATION, AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BUSINESSCOMBINATIONANDDIVESTITURESNarrativeDetails" roleURI="http://www.holley.com/role/BUSINESSCOMBINATIONANDDIVESTITURESNarrativeDetails">
        <link:definition>9955530 - Disclosure - BUSINESS COMBINATION AND DIVESTITURES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORYDetails" roleURI="http://www.holley.com/role/INVENTORYDetails">
        <link:definition>9955531 - Disclosure - INVENTORY (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETScheduleofPropertyPlantandEquipmentDetails" roleURI="http://www.holley.com/role/PROPERTYPLANTANDEQUIPMENTNETScheduleofPropertyPlantandEquipmentDetails">
        <link:definition>9955532 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Schedule of Property, Plant, and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETScheduleofLonglivedAssetsbyGeographicLocationsDetails" roleURI="http://www.holley.com/role/PROPERTYPLANTANDEQUIPMENTNETScheduleofLonglivedAssetsbyGeographicLocationsDetails">
        <link:definition>9955533 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Schedule of Long-lived Assets by Geographic Locations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDOTHERINTANGIBLEASSETSScheduleofGoodwillDetails" roleURI="http://www.holley.com/role/GOODWILLANDOTHERINTANGIBLEASSETSScheduleofGoodwillDetails">
        <link:definition>9955534 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDOTHERINTANGIBLEASSETSNarrativeDetails" roleURI="http://www.holley.com/role/GOODWILLANDOTHERINTANGIBLEASSETSNarrativeDetails">
        <link:definition>9955535 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDOTHERINTANGIBLEASSETSSummaryofIntangibleAssetsDetails" roleURI="http://www.holley.com/role/GOODWILLANDOTHERINTANGIBLEASSETSSummaryofIntangibleAssetsDetails">
        <link:definition>9955536 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDOTHERINTANGIBLEASSETSScheduleofFinitelivedIntangibleAssetsFutureAmortizationExpenseDetails" roleURI="http://www.holley.com/role/GOODWILLANDOTHERINTANGIBLEASSETSScheduleofFinitelivedIntangibleAssetsFutureAmortizationExpenseDetails">
        <link:definition>9955537 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Finite-lived Intangible Assets, Future Amortization Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDLIABILITIESDetails" roleURI="http://www.holley.com/role/ACCRUEDLIABILITIESDetails">
        <link:definition>9955538 - Disclosure - ACCRUED LIABILITIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTScheduleofDebtDetails" roleURI="http://www.holley.com/role/DEBTScheduleofDebtDetails">
        <link:definition>9955539 - Disclosure - DEBT - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTScheduleofDebtDetails_1" roleURI="http://www.holley.com/role/DEBTScheduleofDebtDetails_1">
        <link:definition>9955539 - Disclosure - DEBT - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTNarrativeDetails" roleURI="http://www.holley.com/role/DEBTNarrativeDetails">
        <link:definition>9955540 - Disclosure - DEBT - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTFutureMaturitiesofLongtermDebtandAmortizationofDebtIssuanceCostDetails" roleURI="http://www.holley.com/role/DEBTFutureMaturitiesofLongtermDebtandAmortizationofDebtIssuanceCostDetails">
        <link:definition>9955541 - Disclosure - DEBT - Future Maturities of Long-term Debt and Amortization of Debt Issuance Cost (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMONSTOCKWARRANTSANDEARNOUTLIABILITYDetails" roleURI="http://www.holley.com/role/COMMONSTOCKWARRANTSANDEARNOUTLIABILITYDetails">
        <link:definition>9955542 - Disclosure - COMMON STOCK WARRANTS AND EARN-OUT LIABILITY (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEINSTRUMENTSDetails" roleURI="http://www.holley.com/role/DERIVATIVEINSTRUMENTSDetails">
        <link:definition>9955543 - Disclosure - DERIVATIVE INSTRUMENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" roleURI="http://www.holley.com/role/FAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails">
        <link:definition>9955544 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEMEASUREMENTSScheduleofFairValueMeasurementInputsandValuationTechniquesDetails" roleURI="http://www.holley.com/role/FAIRVALUEMEASUREMENTSScheduleofFairValueMeasurementInputsandValuationTechniquesDetails">
        <link:definition>9955545 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEMEASUREMENTSScheduleofFairValueLiabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationDetails" roleURI="http://www.holley.com/role/FAIRVALUEMEASUREMENTSScheduleofFairValueLiabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationDetails">
        <link:definition>9955546 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESummaryofRevenuebyProductCategoryDetails" roleURI="http://www.holley.com/role/REVENUESummaryofRevenuebyProductCategoryDetails">
        <link:definition>9955547 - Disclosure - REVENUE - Summary of Revenue by Product Category (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESummaryofRevenueBasedonGeographicLocationDetails" roleURI="http://www.holley.com/role/REVENUESummaryofRevenueBasedonGeographicLocationDetails">
        <link:definition>9955548 - Disclosure - REVENUE - Summary of Revenue Based on Geographic Location (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESNarrativeDetails" roleURI="http://www.holley.com/role/INCOMETAXESNarrativeDetails">
        <link:definition>9955549 - Disclosure - INCOME TAXES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofComponentsofIncomeTaxExpenseBenefitDetails" roleURI="http://www.holley.com/role/INCOMETAXESScheduleofComponentsofIncomeTaxExpenseBenefitDetails">
        <link:definition>9955550 - Disclosure - INCOME TAXES - Schedule of Components of Income Tax Expense (Benefit) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofIncomeBeforeIncomeTaxDomesticandForeignJurisdictionsDetails" roleURI="http://www.holley.com/role/INCOMETAXESScheduleofIncomeBeforeIncomeTaxDomesticandForeignJurisdictionsDetails">
        <link:definition>9955551 - Disclosure - INCOME TAXES - Schedule of Income Before Income Tax, Domestic and Foreign Jurisdictions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofProvisionandEffectiveTaxRatesDetails" roleURI="http://www.holley.com/role/INCOMETAXESScheduleofProvisionandEffectiveTaxRatesDetails">
        <link:definition>9955552 - Disclosure - INCOME TAXES - Schedule of Provision and Effective Tax Rates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofComponentsofIncomeTaxPaidDetails" roleURI="http://www.holley.com/role/INCOMETAXESScheduleofComponentsofIncomeTaxPaidDetails">
        <link:definition>9955553 - Disclosure - INCOME TAXES - Schedule of Components of Income Tax Paid (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.holley.com/role/INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>9955554 - Disclosure - INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESChangeintheValuationAllowanceforDeferredTaxAssetsDetails" roleURI="http://www.holley.com/role/INCOMETAXESChangeintheValuationAllowanceforDeferredTaxAssetsDetails">
        <link:definition>9955555 - Disclosure - INCOME TAXES - Change in the Valuation Allowance for Deferred Tax Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESChangesinUnrecognizedTaxBenefitsDetails" roleURI="http://www.holley.com/role/INCOMETAXESChangesinUnrecognizedTaxBenefitsDetails">
        <link:definition>9955556 - Disclosure - INCOME TAXES - Changes in Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHAREScheduleofBasicandDilutedEarningPerShareDetails" roleURI="http://www.holley.com/role/EARNINGSPERSHAREScheduleofBasicandDilutedEarningPerShareDetails">
        <link:definition>9955557 - Disclosure - EARNINGS PER SHARE - Schedule of Basic and Diluted Earning Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHAREScheduleofAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails" roleURI="http://www.holley.com/role/EARNINGSPERSHAREScheduleofAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails">
        <link:definition>9955558 - Disclosure - EARNINGS PER SHARE - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONPLANSNarrativeDetails" roleURI="http://www.holley.com/role/EQUITYBASEDCOMPENSATIONPLANSNarrativeDetails">
        <link:definition>9955559 - Disclosure - EQUITY-BASED COMPENSATION PLANS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CompensationRelatedCostsShareBasedPaymentsDetails" roleURI="http://www.holley.com/role/CompensationRelatedCostsShareBasedPaymentsDetails">
        <link:definition>9955560 - Disclosure - Compensation Related Costs, Share Based Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONPLANSScheduleofNonvestedRestrictedStockUnitsActivityDetails" roleURI="http://www.holley.com/role/EQUITYBASEDCOMPENSATIONPLANSScheduleofNonvestedRestrictedStockUnitsActivityDetails">
        <link:definition>9955561 - Disclosure - EQUITY-BASED COMPENSATION PLANS - Schedule of Nonvested Restricted Stock Units Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONPLANSScheduleofShareBasedPaymentArrangementOptionActivityDetails" roleURI="http://www.holley.com/role/EQUITYBASEDCOMPENSATIONPLANSScheduleofShareBasedPaymentArrangementOptionActivityDetails">
        <link:definition>9955562 - Disclosure - EQUITY-BASED COMPENSATION PLANS - Schedule of Share-Based Payment Arrangement, Option, Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONPLANSScheduleofShareBasedPaymentArrangementExpensedandCapitalizedDetails" roleURI="http://www.holley.com/role/EQUITYBASEDCOMPENSATIONPLANSScheduleofShareBasedPaymentArrangementExpensedandCapitalizedDetails">
        <link:definition>9955563 - Disclosure - EQUITY-BASED COMPENSATION PLANS - Schedule of Share-Based Payment Arrangement, Expensed and Capitalized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTSNarrativeDetails" roleURI="http://www.holley.com/role/LEASECOMMITMENTSNarrativeDetails">
        <link:definition>9955564 - Disclosure - LEASE COMMITMENTS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTSScheduleofOperatingLeaseAssetsandObligationsDetails" roleURI="http://www.holley.com/role/LEASECOMMITMENTSScheduleofOperatingLeaseAssetsandObligationsDetails">
        <link:definition>9955565 - Disclosure - LEASE COMMITMENTS - Schedule of Operating Lease Assets and Obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTSScheduleofOperatingLeaseExpenseSupplementalCashFlowInformationDetails" roleURI="http://www.holley.com/role/LEASECOMMITMENTSScheduleofOperatingLeaseExpenseSupplementalCashFlowInformationDetails">
        <link:definition>9955566 - Disclosure - LEASE COMMITMENTS - Schedule of Operating Lease Expense Supplemental Cash Flow Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTSScheduleofFutureMinimumRentalPaymentsforOperatingLeasesDetails" roleURI="http://www.holley.com/role/LEASECOMMITMENTSScheduleofFutureMinimumRentalPaymentsforOperatingLeasesDetails">
        <link:definition>9955567 - Disclosure - LEASE COMMITMENTS - Schedule of Future Minimum Rental Payments for Operating Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASECOMMITMENTSScheduleofFutureMinimumRentalPaymentsforOperatingLeasesDetails_1" roleURI="http://www.holley.com/role/LEASECOMMITMENTSScheduleofFutureMinimumRentalPaymentsforOperatingLeasesDetails_1">
        <link:definition>9955567 - Disclosure - LEASE COMMITMENTS - Schedule of Future Minimum Rental Payments for Operating Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MAJORDISTRIBUTIONPARTNERCUSTOMERSSchedulesofConcentrationofRiskDetails" roleURI="http://www.holley.com/role/MAJORDISTRIBUTIONPARTNERCUSTOMERSSchedulesofConcentrationofRiskDetails">
        <link:definition>9955568 - Disclosure - MAJOR DISTRIBUTION PARTNER CUSTOMERS - Schedules of Concentration of Risk (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RESTRUCTURINGANDMANAGEMENTFEECOSTSSummaryofTotalAcquisitionsandRestructuringCostsDetails" roleURI="http://www.holley.com/role/RESTRUCTURINGANDMANAGEMENTFEECOSTSSummaryofTotalAcquisitionsandRestructuringCostsDetails">
        <link:definition>9955569 - Disclosure - RESTRUCTURING AND MANAGEMENT FEE COSTS - Summary of Total Acquisitions and Restructuring Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIESNarrativeDetails" roleURI="http://www.holley.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails">
        <link:definition>9955570 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIESScheduleofAccrualForProductWarrantiesDetails" roleURI="http://www.holley.com/role/COMMITMENTSANDCONTINGENCIESScheduleofAccrualForProductWarrantiesDetails">
        <link:definition>9955571 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Accrual For Product Warranties (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTSNarrativeDetails" roleURI="http://www.holley.com/role/SEGMENTSNarrativeDetails">
        <link:definition>9955572 - Disclosure - SEGMENTS- Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTSSummaryFinancialInformationofOperatingSegmentDetails" roleURI="http://www.holley.com/role/SEGMENTSSummaryFinancialInformationofOperatingSegmentDetails">
        <link:definition>9955573 - Disclosure - SEGMENTS - Summary Financial Information of Operating Segment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="hlly_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hlly_WarrantLiability" abstract="false" name="WarrantLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_PrincipalPaymentMember" abstract="true" name="PrincipalPaymentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_PaymentsOfFinancingCostsNetOfAdjustments" abstract="false" name="PaymentsOfFinancingCostsNetOfAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_WarrantLiabilityTextBlock" abstract="false" name="WarrantLiabilityTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_RisksAndUncertaintiesPolicyTextBlock" abstract="false" name="RisksAndUncertaintiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_WarrantAndForwardPurchaseAgreementLiabilitiesPolicyTextBlock" abstract="false" name="WarrantAndForwardPurchaseAgreementLiabilitiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_ScheduleOfIntangibleAssetsTableTextBlock" abstract="false" name="ScheduleOfIntangibleAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsChangeInValuationAllowanceTableTextBlock" abstract="false" name="DeferredTaxAssetsChangeInValuationAllowanceTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_ScheduleOfOperatingLeaseAssetsAndObligationsTableTextBlock" abstract="false" name="ScheduleOfOperatingLeaseAssetsAndObligationsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_ScheduleOfAcquisitionRestructuringAndManagementFeeCostsTableTextBlock" abstract="false" name="ScheduleOfAcquisitionRestructuringAndManagementFeeCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="hlly_AllowanceCashDiscountReserveMember" abstract="true" name="AllowanceCashDiscountReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_SecSchedule1209ValuationAllowancesAndReservesChargedAgainstAllowances" abstract="false" name="SecSchedule1209ValuationAllowancesAndReservesChargedAgainstAllowances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_ShareholdersEquityMember" abstract="true" name="ShareholdersEquityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_HolleyParentHoldingsLlcMember" abstract="true" name="HolleyParentHoldingsLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_PipeInvestorsMember" abstract="true" name="PipeInvestorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_EmpowerSponsorHoldingsLlcMember" abstract="true" name="EmpowerSponsorHoldingsLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_MergerAgreementMember" abstract="true" name="MergerAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_SubscriptionAgreementMember" abstract="true" name="SubscriptionAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_AmendedAndRestatedForwardPurchaseAgreementMember" abstract="true" name="AmendedAndRestatedForwardPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_PublicWarrantsMember" abstract="true" name="PublicWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_PrivatePlacementWarrantsMember" abstract="true" name="PrivatePlacementWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_TrancheTwoMember" abstract="true" name="TrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_DetroitSpeedEngineeringMember" abstract="true" name="DetroitSpeedEngineeringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_PorterPikeMember" abstract="true" name="PorterPikeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_EarnoutSharesMember" abstract="true" name="EarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_BusinessCombinationEarnoutArrangementNumberOfTranches" abstract="false" name="BusinessCombinationEarnoutArrangementNumberOfTranches" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="hlly_BusinessCombinationEarnoutArrangementMaximumTerm" abstract="false" name="BusinessCombinationEarnoutArrangementMaximumTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="hlly_CatacleanPerpetualLicenseMember" abstract="true" name="CatacleanPerpetualLicenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_LicenseAccrual" abstract="false" name="LicenseAccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_AccruedFreightCurrent" abstract="false" name="AccruedFreightCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_AccruedReturnsAndAllowancesCurrent" abstract="false" name="AccruedReturnsAndAllowancesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_TermLoanMember" abstract="true" name="TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_OtherLongTermDebtMember" abstract="true" name="OtherLongTermDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_TheCreditFacilityMember" abstract="true" name="TheCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_FirstLienNoteDueNovember172028Member" abstract="true" name="FirstLienNoteDueNovember172028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_TheCreditAgreementMember" abstract="true" name="TheCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_CorporateHeadquartersMember" abstract="true" name="CorporateHeadquartersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_DebtInstrumentPeriodicPaymentPercentageOfAnnualExcessCashFlow" abstract="false" name="DebtInstrumentPeriodicPaymentPercentageOfAnnualExcessCashFlow" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_DebtInstrumentAmountOfAnnualExcessCashFlow" abstract="false" name="DebtInstrumentAmountOfAnnualExcessCashFlow" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DebtInstrumentCovenantConsolidatedNetLeverageRatio" abstract="false" name="DebtInstrumentCovenantConsolidatedNetLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="hlly_DebtInstrumentCovenantMinimumLiquidity" abstract="false" name="DebtInstrumentCovenantMinimumLiquidity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DebtIssuanceCostsAmortizationYearOne" abstract="false" name="DebtIssuanceCostsAmortizationYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DebtIssuanceCostsAmortizationYearTwo" abstract="false" name="DebtIssuanceCostsAmortizationYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DebtIssuanceCostsAmortizationYearThree" abstract="false" name="DebtIssuanceCostsAmortizationYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_CommonStockWarrantsAndEarnOutLiabilityTable" abstract="true" name="CommonStockWarrantsAndEarnOutLiabilityTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="hlly_PrivateAndPublicWarrantsMember" abstract="true" name="PrivateAndPublicWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_MeasurementInputSharePrice1Member" abstract="true" name="MeasurementInputSharePrice1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_TrancheOneMember" abstract="true" name="TrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_CommonStockWarrantsAndEarnOutLiabilityLineItems" abstract="true" name="CommonStockWarrantsAndEarnOutLiabilityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hlly_WarrantsAndRightsOutstandingRedemptionPeriod" abstract="false" name="WarrantsAndRightsOutstandingRedemptionPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="hlly_PrivateWarrantsMember" abstract="true" name="PrivateWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_MeasurementInputStrikePriceMember" abstract="true" name="MeasurementInputStrikePriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_MeasurementInputPriceThresholdMember" abstract="true" name="MeasurementInputPriceThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_MeasurementInputPriceHurdleMember" abstract="true" name="MeasurementInputPriceHurdleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_MonteCarloSimulationModelMember" abstract="true" name="MonteCarloSimulationModelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_EarnOutLiabilityMember" abstract="true" name="EarnOutLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_AmericanPerformanceMember" abstract="true" name="AmericanPerformanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_EuroImportMember" abstract="true" name="EuroImportMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_TruckOffRoadMember" abstract="true" name="TruckOffRoadMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_SafetyRacingMember" abstract="true" name="SafetyRacingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationWithholdingTaxAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationEarnOutsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationEarnOutsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162mLimitationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162mLimitationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationEarnOutsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationEarnOutsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162mLimitationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162mLimitationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsReservesOnAssets" abstract="false" name="DeferredTaxAssetsReservesOnAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsLiabilitiesNotYetDeductible" abstract="false" name="DeferredTaxAssetsLiabilitiesNotYetDeductible" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsInterestExpenseLimitation" abstract="false" name="DeferredTaxAssetsInterestExpenseLimitation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsRightOfUseLiability" abstract="false" name="DeferredTaxAssetsRightOfUseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsCapitalizedInterest" abstract="false" name="DeferredTaxAssetsCapitalizedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DeferredTaxLiabilitiesTradename" abstract="false" name="DeferredTaxLiabilitiesTradename" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_DeferredTaxAssetsValuationAllowanceRollForward" abstract="true" name="DeferredTaxAssetsValuationAllowanceRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hlly_The2021OmnibusIncentivePlanMember" abstract="true" name="The2021OmnibusIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_PresidentAndChiefExecutiveOfficerMember" abstract="true" name="PresidentAndChiefExecutiveOfficerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_ProfitInterestUnitsMember" abstract="true" name="ProfitInterestUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationPeriodAfterFullyVested" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationPeriodAfterFullyVested" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="hlly_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageFairValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageFairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hlly_GlendaleArizonaMember" abstract="true" name="GlendaleArizonaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_LesseeOperatingLeaseInitialMonthlyBaseRent" abstract="false" name="LesseeOperatingLeaseInitialMonthlyBaseRent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_LesseeOperatingLeaseAnnualFixedEscalatorsPercentage" abstract="false" name="LesseeOperatingLeaseAnnualFixedEscalatorsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_LesseeOperatingLeaseNumberOfRenewalOptions" abstract="false" name="LesseeOperatingLeaseNumberOfRenewalOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="hlly_SupplementalCashFlowInformationRelatedToLeasesAbstract" abstract="true" name="SupplementalCashFlowInformationRelatedToLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hlly_DecapitalizationOfRightofuseAssetsUponLeaseTerminationOrModification" abstract="false" name="DecapitalizationOfRightofuseAssetsUponLeaseTerminationOrModification" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlly_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlly_DefinedContributionPlanEmployerDiscretionaryContributionPercentOfMatch" abstract="false" name="DefinedContributionPlanEmployerDiscretionaryContributionPercentOfMatch" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlly_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
