Primary
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Gardnerwestcott - P-10-15-01 - Big Twin Cam And Primary 06-17 Tc Dyna Models
Gardner-Westcott
$172.95Gardnerwestcott - P-10-15-01 - Big Twin Cam And Primary 06-17 Tc Dyna ModelsFeaturesGlobal Trade Item Number: 884960246063Polished chrome platedMade in the USAFitment$172.95 -
Gardnerwestcott - P-10-19-01 - Big Twin Cam And Primary 91-98 Dyna Models
Gardner-Westcott
$130.95Gardnerwestcott - P-10-19-01 - Big Twin Cam And Primary 91-98 Dyna ModelsFeaturesPolished chrome platedMade in the USAFitment1995-1998Harley Davidson<$130.95 -
Colony Machine - 9870-16 - Inner Primary Mount Kit Softail 86-93 Dyna 91-93
Colony Machine
$28.95Colony Machine - 9870-16 - Inner Primary Mount Kit Softail 86-93 Dyna 91-93FeaturesFitment1992Harley DavidsonFXDB-D Dyna Glide Daytona1991$28.95 -
James Gaskets - 25700378 - Gasket Primary Cover 1/Pk
James Gaskets
$50.95James Gaskets - 25700378 - Gasket Primary Cover 1/PkFeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in the U.S.AFitment$50.95 -
James Gaskets - 25600455 - Primary-Engine Interface Seal 1/Pk 25600455
James Gaskets
$29.95James Gaskets - 25600455 - Primary-Engine Interface Seal 1/Pk 25600455FeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in...$29.95 -
James Gaskets - 25700378-K - Primary Touring Gasket Kit 25700378-K
James Gaskets
$71.95James Gaskets - 25700378-K - Primary Touring Gasket Kit 25700378-KFeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in the U...$71.95 -
Cometic - C10198F1 - Primary Gasket M8 .060"Afm 1Pk Oe#25700378
Cometic
$44.61Cometic - C10198F1 - Primary Gasket M8 .060"Afm 1Pk Oe#25700378FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$44.61 -
Cometic - C10211 - Primary To Engine Gasket M8 1Pk Oe#25700455
Cometic
$31.76Cometic - C10211 - Primary To Engine Gasket M8 1Pk Oe#25700455FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.76 -
Rekluse - RMS-0515003 - Derby Cover Black Gloss Big Twin 99-17 Ex Low Profile
Rekluse
$249.00Rekluse Racing - RMS-0515003 - Derby Cover Black Gloss Big Twin 99-17 Ex Low ProfileFeaturesA Rekluse Derby Cover is the perfect complement to your RadiusX or TorqDrive. Designed to match OEM...$249.00 -
Rekluse - RMS-0515005 - Derby Cover Black Gloss Flh/Flt 16-Up W/Low Profile
Rekluse
$249.00Rekluse Racing - RMS-0515005 - Derby Cover Black Gloss Flh/Flt 16-Up W/Low ProfileFeaturesA Rekluse Derby Cover is the perfect complement to your RadiusX or TorqDrive. Designed to match OEM...$249.00 -
Hayden - M6-BT65 - Primary Chain Tensioner Big Twins
Hayden Enterprises Inc.
$115.00Hayden - M6-BT65 - Primary Chain Tensioner Big TwinsFeaturesAutomatically adjust primary chain tensionAssures proper chain tension during acceleration and decelerationSmoother shifting, transmission...$115.00 -
Hayden - M6-BT01 - Primary Chain Tensioner Big Twins
Hayden Enterprises Inc.
$115.00Hayden - M6-BT01 - Primary Chain Tensioner Big TwinsFeaturesAutomatically adjust primary chain tensionAssures proper chain tension during acceleration and decelerationSmoother shifting, transmission...$115.00 -
Hayden - M6-XL4 - Primary Chain Tensioner Sportsters
Hayden Enterprises Inc.
$115.00Hayden - M6-XL4 - Primary Chain Tensioner SportstersFeaturesAutomatically adjust primary chain tensionAssures proper chain tension during acceleration and decelerationSmoother shifting, transmission...$115.00 -
Hayden - M6-XL5 - Primary Chain Tensioner Sportsters
Hayden Enterprises Inc.
$115.00Hayden - M6-XL5 - Primary Chain Tensioner SportstersFeaturesAutomatically adjust primary chain tensionAssures proper chain tension during acceleration and decelerationSmoother shifting, transmission...$115.00 -
Hayden - M6-XL5-2 - Primary Chain Tensioner Sportsters
Hayden Enterprises Inc.
$115.00Hayden - M6-XL5-2 - Primary Chain Tensioner SportstersFeaturesAutomatically adjust primary chain tensionAssures proper chain tension during acceleration and decelerationSmoother shifting,...$115.00 -
Psr - 12-02002-22 - Primary Chain Tensioner M8 Flt `07-16
PSR
$222.95Psr - 12-02002-22 - Primary Chain Tensioner M8 Flt `07-16FeaturesAvoid overtightened primary chain engine issuesMachined from high quality billet T6061 AluminumQuick and easy installation and...$222.95 -
Harddrive - D11-0298 - Outer Primary Cover Chrome 06-17 Fxdwg & 07-17 Softail
HardDrive
MSRP: $498.95$449.96Harddrive - D11-0298 - Outer Primary Cover Chrome 06-17 Fxdwg & 07-17 SoftailFeaturesGlobal Trade Item Number: 191361126802Made from rugged die-cast aluminumChrome, Black and Satin black finished...MSRP: $498.95$449.96 -
Harddrive - D11-0299 - Outer Primary Cover Chrome 06-17 Dyna Except Models W/Fwd
HardDrive
MSRP: $498.95$449.96Harddrive - D11-0299 - Outer Primary Cover Chrome 06-17 Dyna Except Models W/FwdFeaturesGlobal Trade Item Number: 191361126819Made from rugged die-cast aluminumChrome, Black and Satin black finished...MSRP: $498.95$449.96 -
Harddrive - 11-0293K - Outer Primary Cover Chrome Fits 94-99 Softail
HardDrive
$400.46Harddrive - 11-0293K - Outer Primary Cover Chrome Fits 94-99 SoftailFeaturesGlobal Trade Item Number: 191361126864Made from rugged die-cast aluminumChrome, Black and Satin black finished availableNo...$400.46 -
Harddrive - 11-0296K - Outer Primary Cover Chrome Fits 99-06 Softail & 99-05 Fxd
HardDrive
$422.96Harddrive - 11-0296K - Outer Primary Cover Chrome Fits 99-06 Softail & 99-05 FxdFeaturesGlobal Trade Item Number: 191361126888Made from rugged die-cast aluminumChrome, Black and Satin black finished...$422.96 -
Harddrive - 11-0296KSB - Outer Primary Cover Sat Black Fits 99-06 Softail & 99-05 Fxd
HardDrive
$400.46Harddrive - 11-0296KSB - Outer Primary Cover Sat Black Fits 99-06 Softail & 99-05 FxdFeaturesGlobal Trade Item Number: 191361141249Made from rugged die-cast aluminumChrome, Black and Satin black...$400.46 -
Harddrive - 290546 - Easy Start Kit Repl 9T Gear
HardDrive
$33.26Harddrive - 290546 - Easy Start Kit Repl 9T Gear Features Global Trade Item Number: 191361119668 Fitment 2015-2016 Harley Davidson FLRT F$33.26 -
Harddrive - 15-029 - Sliding Cam-Comp Sprkt 85-05
HardDrive
$34.16Harddrive - 15-029 - Sliding Cam-Comp Sprkt 85-05FeaturesThese compensator sprockets and components are direct OE replacements.Global Trade Item Number: 191361125737$34.16 -
Harddrive - 15-235 - Sliding Cam-Comp Sprkt Fxd 06-11 Flt 07-10
HardDrive
$44.96Harddrive - 15-235 - Sliding Cam-Comp Sprkt Fxd 06-11 Flt 07-10FeaturesThese compensator sprockets and components are direct OE replacements.Global Trade Item Number: 191361125744$44.96 -
Harddrive - 15-024 - Sprckt Shaft Ext Stock 4 Spd 70-83
HardDrive
$72.86Harddrive - 15-024 - Sprckt Shaft Ext Stock 4 Spd 70-83FeaturesThese compensator components are direct OE replacements.Global Trade Item Number: 191361167751$72.86 -
Harddrive - 210207 - Outer Primary Cover Chrome Touring 99-06
HardDrive
$516.56Harddrive - 210207 - Outer Primary Cover Chrome Touring 99-06FeaturesGlobal Trade Item Number: 191361127557Made from rugged die-cast aluminumChrome, Black and Satin black finished availableNo...$516.56 -
Harddrive - 241275 - Compensator Sprocket High Performance
HardDrive
$480.56Harddrive - 241275 - Compensator Sprocket High PerformanceFeaturesGlobal Trade Item Number: 191361133350Engineered with heavier springs and increased travel to support the high torque outputDesigned...$480.56 -
Harddrive - 68-240B - Jackshaft Repair Kit For 820-50971
HardDrive
MSRP: $16.95$16.16Harddrive - 68-240B - Jackshaft Repair Kit For 820-50971FeaturesGlobal Trade Item Number: 191361130373MSRP: $16.95$16.16 -
Harddrive - 68-247B - Jackshaft Repair Kit For 820-50972
HardDrive
MSRP: $16.95$16.16Harddrive - 68-247B - Jackshaft Repair Kit For 820-50972FeaturesGlobal Trade Item Number: 191361130380MSRP: $16.95$16.16 -
Harddrive - 210233 - Narrow Profile Primary Cvr Blk Touring 07-17
HardDrive
$523.76Harddrive - 210233 - Narrow Profile Primary Cvr Blk Touring 07-17FeaturesGlobal Trade Item Number: 191361074080Made from rugged die-cast aluminumChrome, Black and Satin black finished availableNo...$523.76 -
Harddrive - 210232 - Narrow Profile Primary Cvr Chr Touring 07-17
HardDrive
$627.26Harddrive - 210232 - Narrow Profile Primary Cvr Chr Touring 07-17FeaturesGlobal Trade Item Number: 191361074073Made from rugged die-cast aluminumChrome, Black and Satin black finished availableNo...$627.26 -
Harddrive - 191205 - Compensator Elminator Sproket 34 Tooth
HardDrive
$251.96Harddrive - 191205 - Compensator Elminator Sproket 34 ToothFeaturesGlobal Trade Item Number: 191361143670Much quieter than stock diaphragm spring style compensatorImproves starting and starter...$251.96 -
Harddrive - 37-080 - Inspection Cover Chrome 04-20 Xl
HardDrive
$60.26Harddrive - 37-080 - Inspection Cover Chrome 04-20 XlFeaturesGlobal Trade Item Number: 191361279577These new primary cover inspection covers are made from die-cast aluminumHardware kit included...$60.26 -
Harddrive - 37-080SB - Inspection Cover Satin Black 04-20 Xl
HardDrive
$47.95Harddrive - 37-080SB - Inspection Cover Satin Black 04-20 XlFeaturesGlobal Trade Item Number: 191361279584These new primary cover inspection covers are made from die-cast aluminumHardware kit...$47.95 -
Harddrive - 37-090GB - Smooth Derby Cover Gloss Black Touring 16-Up
HardDrive
$64.76Harddrive - 37-090GB - Smooth Derby Cover Gloss Black Touring 16-UpFeaturesGlobal Trade Item Number: 191361279676Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock...$64.76 -
Harddrive - 37-072SB - Dome Derby Cover Satin Black Xl 04-20
HardDrive
$41.36Harddrive - 37-072SB - Dome Derby Cover Satin Black Xl 04-20FeaturesGlobal Trade Item Number: 191361279706Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock...$41.36 -
Harddrive - 37-030SB - Dome Derby Cover Satin Black Xl 94-03
HardDrive
$35.96Harddrive - 37-030SB - Dome Derby Cover Satin Black Xl 94-03FeaturesGlobal Trade Item Number: 191361279720Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock...$35.96 -
Diamond Chain - DMD-428-2RV-82NRI - Primary Chain 82 Link Fxst/Flst 00-06 Fxd 99-05
Diamond Chain
$207.95Diamond Chain - DMD-428-2RV-82NRI - Primary Chain 82 Link Fxst/Flst 00-06 Fxd 99-05FeaturesEndless link primary chainsMade in the USAFitment2005-2006Harley$207.95 -
Diamond Chain - DMD-428-2RV-92NRI - Primary Chain 92 Link Fxst/Flst 07-17 Fxd 06-17
Diamond Chain
$233.95Diamond Chain - DMD-428-2RV-92NRI - Primary Chain 92 Link Fxst/Flst 07-17 Fxd 06-17FeaturesEndless link primary chainsMade in the USAFitment2016-2017Harley$233.95 -
Diamond Chain - DMD-C35-3RV-94NRI - Primary Chain 94 Link Xl 86-03 Xl 883 04-20
Diamond Chain
$185.95Diamond Chain - DMD-C35-3RV-94NRI - Primary Chain 94 Link Xl 86-03 Xl 883 04-20FeaturesEndless link primary chainsMade in the USAFitment2009-2020Harley Dav$185.95
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.