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Diamond - DMD-428-2RV-82NRI - Primary Chain - #428-2-82 - 4-Speed
Diamond
$194.95Diamond - DMD-428-2RV-82NRI - Primary Chain - #428-2-82 - 4-SpeedFeaturesEndless link Diamond primary chainMade in the U.S.A.Replacement Part for OEM Number(s): 4000736A,4000736BSpecsProduct NamePrimary ChainRiding StyleStreetNumber of...$194.95 -
Diamond - DMD-C35-3R94NRI - Primary Chain - #35-3-94
Diamond
$162.95Diamond - DMD-C35-3R94NRI - Primary Chain - #35-3-94FeaturesEndless link Diamond primary chainMade in the U.S.A.Replacement Part for OEM Number(s): 4000557A,4000557BSpecsRiding StyleStreetNumber of Links94Product NamePrimary...$162.95 -
Eastern Motorcycle Parts - A-24003-55 - Engine Sprocket Nut
Eastern Motorcycle Parts
$12.95Eastern Motorcycle Parts - A-24003-55 - Engine Sprocket NutFeaturesMotor sprocket nut for belt-drive conversions and/or eliminating compensating sprocketsMade in the U.S.A.Replacement Part for OEM Number(s): 2400355SpecsRiding StyleStreetUnitsEachProduct...$12.95 -
Darkhorse Motor Company - DH-MCCR-K - Replacement Cushion Kit - Man O-War - With Compression Tool
Darkhorse Motor Company
$114.95Darkhorse Motor Company - DH-MCCR-K - Replacement Cushion Kit - Man O-War - With Compression ToolFeaturesReplacement Cushion Kit supplies all 8 cushions to rebuild Man O-War motorsprocket cushions when neededMade in the USAIf you do not have the tool...$114.95 -
Darkhorse Motor Company - DH-MCR-K - Replacement Cushion Kit - Man O-War
Darkhorse Motor Company
$49.95Darkhorse Motor Company - DH-MCR-K - Replacement Cushion Kit - Man O-WarFeaturesReplacement Cushion Kit supplies all 8 cushions to rebuild Man O-War motorsprocket cushions when neededMade in the USAIf you do not have the tool necessary to replace...$49.95 -
Diamond - DMD-4282RV86NRI - Primary Chain - 428-2 x 86
Diamond
$203.95Diamond - DMD-4282RV86NRI - Primary Chain - 428-2 x 86 Features Endless link Diamond primary chain Made in the U.S.A. Replacement Part for OEM Number(s): 4003707 Specs Riding Style Street Model Diamond Product Name Primary...$203.95 -
Cometic - C9314F5 - Primary Gasket
Cometic
$29.35Cometic - C9314F5 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures of...$29.35 -
Cometic - C9307F5 - Primary Gasket
Cometic
$45.10Cometic - C9307F5 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures of...$45.10 -
Cometic - C10148 - Primary Gasket Kit
Cometic
$56.65Cometic - C10148 - Primary Gasket KitFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures...$56.65 -
Cometic - C10145F1 - Primary Gasket
Cometic
$33.55Cometic - C10145F1 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures...$33.55 -
Cometic - C10211 - Primary Gasket - M8
Cometic
$33.55Cometic - C10211 - Primary Gasket - M8FeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to...$33.55 -
Cometic - C10198F1 - Primary Gasket
Cometic
$45.10Cometic - C10198F1 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures...$45.10 -
Cometic - C9607F1 - Primary Gasket - Softail
Cometic
$45.10Cometic - C9607F1 - Primary Gasket - SoftailFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to...$45.10 -
Cometic - C9309F1 - Primary Gasket
Cometic
$45.10Cometic - C9309F1 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures of...$45.10 -
Cometic - C9179F1 - Primary Gasket
Cometic
$46.15Cometic - C9179F1 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures of...$46.15 -
Cometic - C9145F1 - Primary Gasket
Cometic
$46.15Cometic - C9145F1 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures of...$46.15 -
Cometic - C9889 - Primary Gasket Kit
Cometic
$101.80Cometic - C9889 - Primary Gasket KitFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures...$101.80 -
Cometic - C9886 - Primary Gasket Kit
Cometic
$138.55Cometic - C9886 - Primary Gasket KitFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures...$138.55 -
Cometic - C9887 - Primary Gasket Kit
Cometic
$101.80Cometic - C9887 - Primary Gasket KitFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outsideGaskets have resistance to temperatures...$101.80 -
Belt Drives Ltd. - 76-47-2S - 8mm/2" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84
Belt Drives Ltd.
$651.95Belt Drives Ltd. - 76-47-2S - 8mm/2" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and...$651.95 -
Belt Drives Ltd. - 76-47-3S - 8mm/3" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84
Belt Drives Ltd.
$691.95Belt Drives Ltd. - 76-47-3S - 8mm/3" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washer3" kit comes with a 52-piece roller bearing kitPulley and clutch basket are hard...$691.95 -
Belt Drives Ltd. - 62-39SK-2 - 8mm/1.5" Primary Belt Drive - Kick Start - '55-'64
Belt Drives Ltd.
$627.95Belt Drives Ltd. - 62-39SK-2 - 8mm/1.5" Primary Belt Drive - Kick Start - '55-'64FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$627.95 -
Belt Drives Ltd. - 62-39TK-1 - 8mm/1.5" Primary Belt Drive - Kick Start - '36-'54
Belt Drives Ltd.
$627.95Belt Drives Ltd. - 62-39TK-1 - 8mm/1.5" Primary Belt Drive - Kick Start - '36-'54FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$627.95 -
Belt Drives Ltd. - 61-41SE-1 - 8mm Primary Belt Drive - Electric Start - '65-'78
Belt Drives Ltd.
$730.95Belt Drives Ltd. - 61-41SE-1 - 8mm Primary Belt Drive - Electric Start - '65-'78FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$730.95 -
Belt Drives Ltd. - 61-41SE-2 - 8mm Primary Belt Drive - Electric Start - '79-'84
Belt Drives Ltd.
$730.95Belt Drives Ltd. - 61-41SE-2 - 8mm Primary Belt Drive - Electric Start - '79-'84FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$730.95 -
Belt Drives Ltd. - CD-1-90 - Primary Drive System - Electric Start - Dyna/Softail
Belt Drives Ltd.
$1,208.95Belt Drives Ltd. - CD-1-90 - Primary Drive System - Electric Start - Dyna/SoftailFeaturesKit includes primary chain, front sprocket and nut, chain adjuster, clutch basket and clutch assembly with aramid platesFeature new-style clutch that eliminates...$1,208.95 -
Belt Drives Ltd. - CD-1-70 - Primary Drive System - Electric Start
Belt Drives Ltd.
$1,208.95Belt Drives Ltd. - CD-1-70 - Primary Drive System - Electric StartFeaturesKit includes primary chain, front sprocket and nut, chain adjuster, clutch basket and clutch assembly with aramid platesFeature new-style clutch that eliminates grabbing and...$1,208.95 -
Belt Drives Ltd. - EV-76-47S - 3"/8mm Belt Drive with Clutch
Belt Drives Ltd.
$1,175.95Belt Drives Ltd. - EV-76-47S - 3"/8mm Belt Drive with Clutch Features 3' kick start system is a direct bolt-in application Includes front pulley, belt, clutch hub and clutch basket and aramid clutch set (consists of two half plates, four full plates...$1,175.95 -
Belt Drives Ltd. - PS-1500 - Inner Primary Spacer
Belt Drives Ltd.
$154.95Belt Drives Ltd. - PS-1500 - Inner Primary SpacerFeaturesFit between the inner primary and motorUsed with fat tire/wide frame applicationsPolished finishMade in the U.S.A.SpecsMaterialAluminumUnitsEachTypeInner PrimaryProduct...$154.95 -
Belt Drives Ltd. - PS-1250 - Inner Primary Spacer
Belt Drives Ltd.
$137.95Belt Drives Ltd. - PS-1250 - Inner Primary SpacerFeaturesFit between the inner primary and motorUsed with fat tire/wide frame applicationsPolished finishMade in the U.S.A.SpecsColor/FinishPolishedMaterialAluminumRiding StyleStreetUnitsEachWidth...$137.95 -
Belt Drives Ltd. - PS-1000 - Inner Primary Spacer
Belt Drives Ltd.
$98.95Belt Drives Ltd. - PS-1000 - Inner Primary SpacerFeaturesFit between the inner primary and motorUsed with fat tire/wide frame applicationsPolished finishMade in the U.S.A.SpecsColor/FinishPolishedRiding StyleStreetTypeInner PrimaryMaterialAluminumProduct...$98.95 -
Belt Drives Ltd. - PS-750 - Inner Primary Spacer
Belt Drives Ltd.
$79.95Belt Drives Ltd. - PS-750 - Inner Primary SpacerFeaturesFit between the inner primary and motorUsed with fat tire/wide frame applicationsPolished finishMade in the U.S.A.SpecsUnitsEachColor/FinishPolishedRiding StyleStreetTypeInner PrimaryWidth...$79.95 -
Belt Drives Ltd. - PS-500 - Inner Primary Spacer
Belt Drives Ltd.
$66.95Belt Drives Ltd. - PS-500 - Inner Primary SpacerFeaturesFit between the inner primary and motorUsed with fat tire/wide frame applicationsPolished finishMade in the U.S.A.SpecsUnitsEachMaterialAluminumWidth Imperial1/2''Riding StyleStreetTypeInner...$66.95 -
Belt Drives Ltd. - PS-250 - Inner Primary Spacer
Belt Drives Ltd.
$56.95Belt Drives Ltd. - PS-250 - Inner Primary SpacerFeaturesFit between the inner primary and motorUsed with fat tire/wide frame applicationsPolished finishMade in the U.S.A.SpecsProduct NameSpacerUnitsEachRiding StyleStreetTypeInner...$56.95 -
Belt Drives Ltd. - CDBCS-1-90 - Primary Drive with Lockup
Belt Drives Ltd.
$1,344.95Belt Drives Ltd. - CDBCS-1-90 - Primary Drive with LockupFeaturesComplete chain drive kit featuring BDL's ball-bearing lockup clutch for riders who want a lighter, easier to operate clutchProvides approximately 60% more surface contact area than stock...$1,344.95 -
Belt Drives Ltd. - CS-34A - Compensator Sprocket - 34 Tooth - '07-'25 Big Twin
Belt Drives Ltd.
$302.95Belt Drives Ltd. - CS-34A - Compensator Sprocket - 34 Tooth - '07-'25 Big TwinFeaturesThree-piece patented design with no springWeighs less than the stock sprocketMade in the U.S.A.SpecsRiding StyleStreetUnitsEachProduct NameSprocketTooth...$302.95 -
Baker Drivetrain - PRK-FL-M8 - Primary Rebuild Kit - M8 Touring
Baker Drivetrain
$149.00Baker Drivetrain - PRK-FL-M8 - Primary Rebuild Kit - M8 TouringFeaturesA convenient all-inclusive primary gasket and seal kit for anytime the primary case is removedIncludes gaskets, seals and O-ringsMade in the U.S.A.SpecsProduct NameRebuild...$149.00 -
Baker Drivetrain - PRK-ST-M8 - Primary Rebuild Kit - M8 Softail
Baker Drivetrain
$149.00Baker Drivetrain - PRK-ST-M8 - Primary Rebuild Kit - M8 SoftailFeaturesA convenient all-inclusive primary gasket and seal kit for anytime the primary case is removedIncludes gaskets, seals and O-ringsMade in the U.S.A.SpecsProduct NameRebuild...$149.00 -
Baker Drivetrain - PRK-FL - Primary Rebuild Kit - '94-'06 Touring
Baker Drivetrain
$119.00Baker Drivetrain - PRK-FL - Primary Rebuild Kit - '94-'06 TouringFeaturesA convenient all-inclusive primary gasket and seal kit for anytime the primary case is removedIncludes gaskets, seals and O-ringsMade in the U.S.A.SpecsProduct NameRebuild KitRiding...$119.00 -
Baker Drivetrain - PRK-FXST - Primary Rebuild Kit - '94-'06 Softail, '94-'05 Dyna
Baker Drivetrain
$119.00Baker Drivetrain - PRK-FXST - Primary Rebuild Kit - '94-'06 Softail, '94-'05 DynaFeaturesA convenient all-inclusive primary gasket and seal kit for anytime the primary case is removedIncludes gaskets, seals and O-ringsMade in the U.S.A.SpecsProduct...$119.00
Harley Primary
Upgrade your Harley primary system with premium components designed for peak performance and durability. Found under our Clutch, Driveline & Transmission category, these parts are engineered to ensure smoother power delivery, reduced vibration, and more efficient drivetrain operation. Whether you're maintaining or upgrading, a strong Harley primary setup is key to getting the most out of your ride.
Our collection includes high-quality Harley primary covers, primary chains, compensator sprockets, clutch baskets, and both inner and outer primary components—all crafted from durable materials like forged steel and precision-machined aluminum. Built to handle aggressive riding and tough conditions, these parts meet or exceed OEM standards.
Don’t settle for less. Explore our full range of Harley primary parts and Harley primary covers today and feel the performance difference every time you hit the throttle.