Primary
- Product
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Out of stock
V-Twin - 18-0107 - 82 Link Primary Chain Drive System
V-Twin
$781.39V-Twin - 18-0107 - 82 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 82 link and features chain shoe adjuster assembly, clutch drum basket with starter ring gear, steel and fiber clutch plates with pressure plate assembly, and 24...$781.39 -
Out of stock
V-Twin - 18-0103 - 82 Link Primary Chain Drive System
V-Twin
$1,547.29V-Twin - 18-0103 - 82 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 82 link and features chain shoe adjuster assembly, clutch drum basket with starter ring gear, steel and fiber clutch plates with pressure plate assembly.Primary...$1,547.29 -
Out of stock
V-Twin - 17-1869 - Kick Cover Filler Plug
V-Twin
$26.93V-Twin - 17-1869 - Kick Cover Filler PlugDescriptionKick cover filler plug features an aluminum finish. Fits:FL 1941-1984Additional Information UOM1 - EA ManufacturerV-Twin OriginImported Tech NoteSuggested to usee with #43-0481. 4 Speed Kick Starter...$26.93 -
Out of stock
V-Twin - 17-1594 - Belt Drive Super Nut with Seal
Motorshop
$34.50V-Twin - 17-1594 - Belt Drive Super Nut with SealDescriptionBelt drive super nut with built in seal for mainshaft surface.For use with a 4th gear transmission mainshaft and a Sifton main drive gear with a 1.6290 outer diameter. Fits:UL 1937-1948FLST...$34.50 -
Out of stock
V-Twin - 17-0873 - Inner Primary Bearing Kit
Motorshop
$85.58V-Twin - 17-0873 - Inner Primary Bearing KitDescriptionInner primary bearing kit includes mount gasket, housing seals, and cover bearing. Fits:FXD 2008-2017FLST 2008-2017FXST 2008-2017FLT 2008-UPAdditional Information UOM1 - KIT ManufacturerMotorshop ...$85.58 -
Out of stock
V-Twin - 17-0871 - Inner Primary Bearing Kit
Motorshop
$87.90V-Twin - 17-0871 - Inner Primary Bearing KitDescriptionInner primary bearing kit includes seal, sleeve, and bearing Fits:FLST 2007-2007 6-speedFXD 2006-2007 6-speedFXST 2007-2007 6-speedFLT 2006-2007 6-speedAdditional Information UOM1 - KIT ...$87.90 -
Out of stock
V-Twin - 12-2036 - Outer Primary Cover Bushing
V-Twin
$23.88V-Twin - 12-2036 - Outer Primary Cover Bushing Description Primary cover bushing for outer primary covers. Fits: FLT 1994-1998 FXR 1994-1994 Additional Information UOM 1 - EA Manufacturer V-Twin Origin Imported$23.88 -
Out of stock
V-Twin - 12-1279 - Inner Primary Cover Bearing
Motorshop
$35.64V-Twin - 12-1279 - Inner Primary Cover BearingDescriptionInner primary cover bearing Fits:FXD 2006-2017FLST 2007-2017FXST 2007-2017Additional Information OEM No.9231 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages443$35.64 -
Out of stock
V-Twin - 12-0357 - Inner Primary Cover Bearing with Seals
Motorshop
$36.56V-Twin - 12-0357 - Inner Primary Cover Bearing with SealsDescriptionInner primary bearing with seal.Primary housing seal included. Requires purchase of inner sleeve, separately. Fits:FXD 1991-2005FLST 1986-2006FXST 1984-2006Additional Information OEM No...$36.56 -
Out of stock
V-Twin - 51-1874 - Primary Nerf Plate
V-Twin Manufacturing
$126.58V-Twin - 51-1874 - Primary Nerf PlateDescriptionPrimary Nerf plate features stainless steel finish and manufactured with cast steel. Protect the outer primary on hard lean deft turns. Bolt on type. Fits:FLST 1999-2017FXST 1999-2017Additional Information ...$126.58 -
Out of stock
V-Twin - 51-1873 - Primary Nerf plate
V-Twin Manufacturing
$126.58V-Twin - 51-1873 - Primary Nerf plateDescriptionPrimary Nerf plate features stainless steel finish and manufactured with cast steel. Protect the outer primary on hard lean deft turns. Bolt on type. Fits:FLT 2018-UPAdditional Information UOM1 - EA ...$126.58 -
Out of stock
V-Twin - 51-1872 - Primary Nerf Plate
V-Twin
$126.58V-Twin - 51-1872 - Primary Nerf PlateDescriptionPrimary Nerf plate features stainless steel finish and manufactured with cast steel. Protect the outer primary on hard lean deft turns. Bolt on type. Fits:FLST 2018-UPFXST 2018-UPAdditional Information ...$126.58 -
Out of stock
Drag Specialties - DS195196 - Compensating Sprocket Kit - '94-'06 Big Twin
Drag Specialties
$305.86Drag Specialties - DS195196 - Compensating Sprocket Kit - '94-'06 Big TwinFeaturesComplete kit contains a high-quality sprocket, sprocket shaft extension, sliding cam, sprocket nut and cover with spring plateReplacement Part for OEM...$305.86 -
Out of stock
Drag Specialties - DS194015 - Right Roller Bearing Retainer - Big Twin
Drag Specialties
$29.67Drag Specialties - DS194015 - Right Roller Bearing Retainer - Big TwinFeaturesHigh-quality, replacement right crankcase roller bearing retainerReplacement Part for OEM Number(s):4357835SpecsProduct NameBearingApplicationCrankcaseTypeRollerRiding...$29.67 -
Out of stock
Drag Specialties - DS192002 - Primary Chain Adjusting Shoe - '65-'00 Big Twin
Drag Specialties
$20.40Drag Specialties - DS192002 - Primary Chain Adjusting Shoe - '65-'00 Big TwinFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3997665BSpecsMaterialNylonTypePrimary ChainUnitsEachProduct NameAdjusting ShoeRiding...$20.40 -
Out of stock
Drag Specialties - DS190879S - Bolt Set - Inner/Outer Primary/Inspection/Derby Cover - Smooth - Softail/Dyna
Drag Specialties
$72.40Drag Specialties - DS190879S - Bolt Set - Inner/Outer Primary/Inspection/Derby Cover - Smooth - Softail/DynaFeaturesReplacement hardware for inner and outer primary, derby, and inspection coversMade in the USASpecsColor/FinishSilverProduct...$72.40 -
Out of stock
Drag Specialties - DS190819S - Bolt Kit - Cam/Primary/Transmission Cover - Socket-Head - Softail
Drag Specialties
$76.60Drag Specialties - DS190819S - Bolt Kit - Cam/Primary/Transmission Cover - Socket-Head - SoftailFeaturesReplacement hardware for cam, primary, transmission, inspection and derby coverMade in the USASpecsBase FinishChromeBase...$76.60 -
Out of stock
Drag Specialties - DS190818S - Bolt Kit - Cam/Primary/Transmission Cover - Socket-Head - FX
Drag Specialties
$82.90Drag Specialties - DS190818S - Bolt Kit - Cam/Primary/Transmission Cover - Socket-Head - FXFeaturesReplacement hardware for cam, primary, transmission, inspection and derby coverMade in the USASpecsRiding StyleStreetBase ColorSilverStyleSocket-HeadBase...$82.90 -
Out of stock
Drag Specialties - DS190798 - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Knurled - '86-'90 Sportster
Drag Specialties
$27.25Drag Specialties - DS190798 - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Knurled - '86-'90 SportsterFeaturesReplacement hardware for cam, primary and sprocket coverIncludes oil check screwMade in the USASpecsBase...$27.25 -
Out of stock
Drag Specialties - DS190750S - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Smooth - '77-'85 Sportster
Drag Specialties
$47.20Drag Specialties - DS190750S - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Smooth - '77-'85 SportsterFeaturesReplacement hardware for cam, primary and sprocket coverIncludes oil check screwMade in the USASpecsTypeCam...$47.20 -
Out of stock
Drag Specialties - DS190392S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '77-'85 Sportster
Drag Specialties
$29.35Drag Specialties - DS190392S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '77-'85 SportsterFeaturesReplacement hardware for primary cover onlyMade in the USASpecsColor/FinishSilverProduct NameBoltStyleSmoothUnitsKitColor/FinishChromeRiding...$29.35 -
Out of stock
Drag Specialties - 24010990 - Bolt Kit - Outer Primary - Chrome - Smooth - M8
Drag Specialties
$78.70Drag Specialties - 24010990 - Bolt Kit - Outer Primary - Chrome - Smooth - M8FeaturesMade in the U.S.A.Bolt kits for M8SpecsHead TypeSocketBase FinishChromeStyleSmoothBase ColorSilverProduct NameBolt KitApplicationOuter PrimaryRiding...$78.70 -
Out of stock
Drag Specialties - 24010989 - Bolt Kit - Outer Primary - Chrome - Knurled - M8
Drag Specialties
$69.25Drag Specialties - 24010989 - Bolt Kit - Outer Primary - Chrome - Knurled - M8FeaturesMade in the U.S.A.Bolt kits for M8SpecsProduct NameBolt KitRiding StyleStreetStyleKnurledBase ColorSilverApplicationOuter PrimaryBase FinishChromeHead...$69.25 -
Out of stock
Drag Specialties - 24010570 - Bolt Kit - Primary Cover - Knurled - Black/Chrome - '07-'16 Touring
Drag Specialties
$89.20Drag Specialties - 24010570 - Bolt Kit - Primary Cover - Knurled - Black/Chrome - '07-'16 Touring Features Replacement hardware for the primary cover Made in the USA Specs Material Steel Base...$89.20 -
Out of stock
Drag Specialties - 20173461 - Compensating Sprocket Nut - '91-'06 Twin Cam
Drag Specialties
$26.79Drag Specialties - 20173461 - Compensating Sprocket Nut - '91-'06 Twin Cam Features Replacement compensating nut for a smoother ride Replacement Part for OEM Number(s):4039291 Specs Product...$26.79 -
Out of stock
Drag Specialties - 11200444 - Compensator Spring Pack - Big Twin
Drag Specialties
$112.22Drag Specialties - 11200444 - Compensator Spring Pack - Big TwinFeaturesHigh Quality OEM replacement componentCan also be used as a replacement for the spring pack found in Drag Specialties High Performance compensator sprocket kit part #...$112.22 -
Out of stock
Drag Specialties - 11200449 - Primary Tensioner Kit - '07-'17 Twin Cam, '06 Dyna
Drag Specialties
$184.57Drag Specialties - 11200449 - Primary Tensioner Kit - '07-'17 Twin Cam, '06 DynaFeaturesAuto-adjust style kitUsed for updating an old adjuster system or when building a new bike from the ground upKit includes adjuster plate, bolts, shoe, brackets and...$184.57 -
Out of stock
Drag Specialties - 11200445 - Primary Tensioner Kit - M8
Drag Specialties
$184.57Drag Specialties - 11200445 - Primary Tensioner Kit - M8FeaturesAuto-adjust style kitUsed for updating an old adjuster system or when building a new bike from the ground upKit includes adjuster plate, bolts, shoe, brackets and hardwareSpecsRiding...$184.57 -
Out of stock
Drag Specialties - 11200404 - Compensator Kit
Drag Specialties
$427.40Drag Specialties - 11200404 - Compensator KitFeaturesDesigned to handle high torque and horsepower in high-performance engine applicationsIncreased travel helps protect the motor and drivetrain from the harsh shock of full throttle launchesKit features a...$427.40 -
Out of stock
Drag Specialties - 11200353 - Primary Chain Adjuster Nut - XL '04-'22
Drag Specialties
$15.25Drag Specialties - 11200353 - Primary Chain Adjuster Nut - XL '04-'22FeaturesZinc-platedReplacement Part for OEM Number(s):7804SpecsColor/FinishZincRiding StyleStreetProduct NameAdjuster NutUnitsEachTypeSealingFitment2002-2006 Harley-Davidson 1200 Custom...$15.25 -
Out of stock
Drag Specialties - 11200306 - Inner Primary Bearing
Drag Specialties
$31.88Drag Specialties - 11200306 - Inner Primary BearingFeaturesFits most OEM and most aftermarket inner primariesReplacement Part for OEM Number(s):9231SpecsProduct NameBearingTypeInner PrimaryRiding StyleStreetUnitsEachFitment2007 Harley-Davidson FLHR Road...$31.88 -
Out of stock
Drag Specialties - 11200304 - Compensator Sprocket
Drag Specialties
$214.19Drag Specialties - 11200304 - Compensator SprocketFeatures34-toothHigh-quality steel constructionReplacement Part for OEM Number(s):4029606ASpecsRiding StyleStreetUnitsEachTypeCompensatingMaterialSteelProduct NameSprocketColor/FinishRawTooth...$214.19 -
Out of stock
Drag Specialties - 11200077 - Primary Drive Kit
Drag Specialties
$505.68Drag Specialties - 11200077 - Primary Drive KitFeaturesKit includes compensating sprocket assembly, chain adjuster assembly and complete clutch assembly with aramid friction platesPrimary chains sold separatelySpecsTooth Count36Riding...$505.68 -
Out of stock
Drag Specialties - 11200079 - Primary Tension Shoe - '01-'06 Big Twin
Drag Specialties
$21.43Drag Specialties - 11200079 - Primary Tension Shoe - '01-'06 Big TwinFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3997601SpecsUnitsEachRiding StyleStreetProduct NameAdjusting ShoeTypePrimary ChainFitment2005 Harley-Davidson 15th...$21.43 -
Out of stock
Drag Specialties - 09500960 - Tensioner - Primary - Twin Cam
Drag Specialties
$34.63Drag Specialties - 09500960 - Tensioner - Primary - Twin CamFeaturesHigh quality replacement componentsSold eachReplacement Part for OEM Number(s):3995499ASpecsTypePrimaryProduct NameTensionerUnitsEachRiding StyleStreetFitment2005 Harley-Davidson 15th...$34.63 -
Out of stock
Hayden Enterprises Inc. - M6-SHOEXL4 - Replacement M6 Adjuster Shoe - '77-'90 XL
Hayden Enterprises Inc.
$22.95Hayden Enterprises Inc. - M6-SHOEXL4 - Replacement M6 Adjuster Shoe - '77-'90 XLFeaturesAutomatically adjust the tension of the primary chainProvide constant and even tension, which improves gear shiftingReduce shifting noise; make for a smoother...$22.95 -
Out of stock
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 -
Out of stock
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 -
Out of stock
Cometic - C10145F5 - Primary Gasket
Cometic
$141.70Cometic - C10145F5 - Primary GasketFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleGaskets available in multiple types to best suit the intended...$141.70 -
Out of stock
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
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.