Primary
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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V-Twin - 8156-30 - Cadmium Outer Primary Cover Screw Set Stock
Colony
$35.69V-Twin - 8156-30 - Cadmium Outer Primary Cover Screw Set StockDescriptionPrimary cover screw kit includes screws for outer cover, derby and inspection cover, cadmium finish. Fits:UL 1937-1948EL 1936-1940FL 1941-1964Additional Information UOM1 - KIT ...$35.69 -
V-Twin - 8155-30 - Chrome Outer Primary Cover Screw Set Stock
Colony
$38.44V-Twin - 8155-30 - Chrome Outer Primary Cover Screw Set StockDescriptionPrimary cover screw kit includes screws for outer cover, derby and inspection cover, chrome finish. Fits:UL 1937-1948EL 1936-1940FL 1941-1964Additional Information UOM1 - KIT ...$38.44 -
V-Twin - 7601-2 - Chrome Primary Cover Clutch Adjuster Cap
Colony
$47.10V-Twin - 7601-2 - Chrome Primary Cover Clutch Adjuster CapDescriptionChrome primary cover clutch adjuster cap. Fits:XL 1971-1976Additional Information UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages835$47.10 -
V-Twin - 7600-4 - Chrome Primary Cover Filler Cap
Colony
$43.10V-Twin - 7600-4 - Chrome Primary Cover Filler CapDescriptionChrome primary cover filler cap. Fits:XL 1971-1976Additional Information UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages835$43.10 -
Drag Specialties - DS195198 - Compensating Sprocket Kit - '84-'90 Big Twin
Drag Specialties
$296.77Drag Specialties - DS195198 - Compensating Sprocket Kit - '84-'90 Big TwinFeaturesComplete kit contains a high-quality sprocket, sprocket shaft extension, sliding cam, sprocket nut and cover with spring plateReplacement Part for OEM...$296.77 -
Drag Specialties - DS195197 - Compensating Sprocket Kit - '91-'93 Big Twin
Drag Specialties
$296.77Drag Specialties - DS195197 - Compensating Sprocket Kit - '91-'93 Big TwinFeaturesComplete kit contains a high-quality sprocket, sprocket shaft extension, sliding cam, sprocket nut and cover with spring plateReplacement Part for OEM...$296.77 -
Drag Specialties - DS195196 - Compensating Sprocket Kit - '94-'06 Big Twin
Drag Specialties
$302.89Drag 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...$302.89 -
Drag Specialties - DS192002 - Primary Chain Adjusting Shoe - '65-'00 Big Twin
Drag Specialties
$15.25Drag Specialties - DS192002 - Primary Chain Adjusting Shoe - '65-'00 Big TwinFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3997665BSpecsMaterialNylonTypePrimary ChainUnitsEachProduct NameAdjusting ShoeRiding...$15.25 -
Drag Specialties - DS192004 - Primary Chain Adjuster
Drag Specialties
$25.45Drag Specialties - DS192004 - Primary Chain AdjusterFeaturesIncludes bracket shoe and retaining clipZinc platedReplaces OEM adjusterReplacement Part for OEM Number(s):3997552BSpecsColor/FinishZincProduct NameChain Adjuster KitTypePrimary...$25.45 -
Drag Specialties - DS192003 - Primary Chain Adjusting Shoe - L'80-'90 XL
Drag Specialties
$15.25Drag Specialties - DS192003 - Primary Chain Adjusting Shoe - L'80-'90 XLFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3996680SpecsTypePrimary ChainUnitsEachMaterialNylonRiding StyleStreetProduct NameAdjusting ShoeFitment1987,...$15.25 -
Drag Specialties - DS192001 - Primary Chain Adjusting Shoe
Drag Specialties
$9.13Drag Specialties - DS192001 - Primary Chain Adjusting ShoeFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3997858SpecsTypePrimary ChainUnitsEachRiding StyleStreetProduct NameAdjusting ShoeFitment1958 Harley-Davidson Sportster 900...$9.13 -
Drag Specialties - 78050022 - Primary Shoe Adjuster - '91-'03 XL
Drag Specialties
$49.93Drag Specialties - 78050022 - Primary Shoe Adjuster - '91-'03 XLFeaturesIncludes bracket shoe and retaining clipZinc platedReplaces OEM adjusterReplacement Part for OEM Number(s):3242,3997091SpecsRiding StyleStreetColor/FinishZincTypePrimary...$49.93 -
Drag Specialties - 21100038 - Outer Primary Bushing - '89-'93
Drag Specialties
$14.23Drag Specialties - 21100038 - Outer Primary Bushing - '89-'93FeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344689SpecsMaterialSteelRiding StyleStreetProduct NameBushingUnitsEachTypeStarter ShaftFitment1989-1993...$14.23 -
Drag Specialties - 21100036 - Inner Primary Bushing
Drag Specialties
$19.33Drag Specialties - 21100036 - Inner Primary BushingFeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344589SpecsRiding StyleStreetTypeInner PrimaryMaterialSteelProduct NameBushingUnitsEachFitment1989-1993 Harley-Davidson FLHS...$19.33 -
Drag Specialties - 21100037 - Outer Primary Bushing - '94-'06
Drag Specialties
$14.23Drag Specialties - 21100037 - Outer Primary Bushing - '94-'06FeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344694ASpecsRiding StyleStreetTypeStarter ShaftMaterialSteelProduct NameBushingUnitsEachFitment2005 Harley-Davidson...$14.23 -
Drag Specialties - 21100035 - Inner Primary Bushing - '94-'06 Twin Cam
Drag Specialties
$19.33Drag Specialties - 21100035 - Inner Primary Bushing - '94-'06 Twin CamFeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344594ASpecsProduct NameBushingMaterialSteelUnitsEachRiding StyleStreetTypeInner PrimaryFitment2005...$19.33 -
Drag Specialties - 11200444 - Compensator Spring Pack - Big Twin
Drag Specialties
$111.13Drag 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 #...$111.13 -
Drag Specialties - 11320005 - Inner Primary Bearing - '85-'06 Twin Cam
Drag Specialties
$96.85Drag Specialties - 11320005 - Inner Primary Bearing - '85-'06 Twin CamFeaturesHigh-quality roller bearing comes with two retainer ringsFits OEM and most aftermarket aluminum inner primariesReplacement Part for OEM Number(s):6067885,9135SpecsProduct...$96.85 -
Drag Specialties - 11200353 - Primary Chain Adjuster Nut - XL '04-'22
Drag Specialties
$10.15Drag 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...$10.15 -
Drag Specialties - 11200305 - Inner Primary Bearing Race
Drag Specialties
$11.17Drag Specialties - 11200305 - Inner Primary Bearing RaceFeaturesFits most OEM and most aftermarket inner primariesReplacement Part for OEM Number(s):3409106SpecsTypeMainshaftUnitsEachRiding StyleStreetProduct NameBearingFitment2007 Harley-Davidson FLHR...$11.17 -
Drag Specialties - 11200306 - Inner Primary Bearing
Drag Specialties
$31.57Drag 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...$31.57 -
Drag Specialties - 11200304 - Compensator Sprocket
Drag Specialties
$212.11Drag Specialties - 11200304 - Compensator SprocketFeatures34-toothHigh-quality steel constructionReplacement Part for OEM Number(s):4029606ASpecsRiding StyleStreetUnitsEachTypeCompensatingMaterialSteelProduct NameSprocketColor/FinishRawTooth...$212.11 -
Drag Specialties - 11200177 - Inner Primary Bearing
Drag Specialties
$12.19Drag Specialties - 11200177 - Inner Primary BearingFeaturesSealed ball bearing fits into aluminum inner primary covers to support transmission mainshaftSpecsProduct NameBearingMaterialAluminumRiding StyleStreetUnitsEachColor/FinishChromeTypeInner Primary...$12.19 -
Drag Specialties - 11200160 - Primary Tensioner Kit - '01-'06 Twin Cam
Drag Specialties
$90.73Drag Specialties - 11200160 - Primary Tensioner Kit - '01-'06 Twin CamFeaturesUsed for updating an old adjuster system or when building a new bike from the ground upComplete kit includes washers, adjuster plate, bolts, shoe, adjuster and nutReplacement...$90.73 -
Drag Specialties - 11200078 - Primary Drive Kit
Drag Specialties
$526.27Drag Specialties - 11200078 - Primary Drive KitFeaturesKit includes compensating sprocket assembly, chain adjuster assembly and complete clutch assembly with aramid friction platesPrimary chains sold separatelySpecsTooth Count37UnitsKitProduct...$526.27 -
Drag Specialties - 11070340 - Primary Plug - 1/2"-20
Drag Specialties
$19.33Drag Specialties - 11070340 - Primary Plug - 1/2"-20FeaturesZinc finishReplacement Part for OEM Number(s):6032898BSpecsProduct NameDrain PlugRiding StyleStreetColor/FinishZincUnitsEach$19.33 -
Drag Specialties - 11070045 - Inner Primary Cover - '94-'06 Softail
Drag Specialties
$406.93Drag Specialties - 11070045 - Inner Primary Cover - '94-'06 SoftailFeaturesRugged, die-cast aluminum construction with a chrome-plated finishStarter shaft bushing included; seals and other components must be ordered separately to complete...$406.93 -
Drag Specialties - 11070038 - Inner Primary Cover
Drag Specialties
$372.25Drag Specialties - 11070038 - Inner Primary CoverFeaturesRugged, die-cast aluminum construction with a chrome-plated finishStarter shaft bushing included; seals and other components must be ordered separately to complete installationAccept all OEM...$372.25 -
Belt Drives Ltd. - BDL-138-175 - Primary Belt - Primo
Belt Drives Ltd.
$154.95Belt Drives Ltd. - BDL-138-175 - Primary Belt - Primo Features Specs Product Name Belt Units Each Riding Style Street Tooth Count 138 Type Primary Width Imperial 1-3/4'' Material Aramid Fiber$154.95 -
Baker Drivetrain - DD6-178 - Primary Adjuster Shoe
Baker Drivetrain
$49.00Baker Drivetrain - DD6-178 - Primary Adjuster Shoe Features Replacement shoe for BAKER DD6 transmission applications Made in the U.S.A. Specs Model Fat Shoe Product Name Adjusting Shoe Riding Style Street Type Primary...$49.00 -
Belt Drives Ltd. - BDC-4C - 3" Primary Belt Cover
Belt Drives Ltd.
$687.95Belt Drives Ltd. - BDC-4C - 3" Primary Belt CoverFeaturesBillet aluminum construction with a chrome-plated finishStyled to match Belt Drives' popular Top Fuel belt drive coverFits 3" open BDL belt drive systems with 3-1/2" x 4" motor plate bolt...$687.95 -
Belt Drives Ltd. - TFBSB-100 - Bearing
Belt Drives Ltd.
$28.95Belt Drives Ltd. - TFBSB-100 - Bearing Features For use on BDL Belt Drive clutches Specs Units Pair Product Name Outboard Bearing Riding Style Street$28.95 -
S&S Cycle - 560-0360 - Heavy Duty Compensator Ramp - Gray - M8
S&S Cycle
$349.95S&S Cycle - 560-0360 - Heavy Duty Compensator Ramp - Gray - M8FeaturesDirect replacement for M8 model bikesCNC machined 9000 series steelHeat-treated and coated for superior strength and corrosion resistanceMade in the USASpecsProduct NameCompensator...$349.95 -
S&S Cycle - 560-0241 - Inner Primary Bearing Race
S&S Cycle
$82.95S&S Cycle - 560-0241 - Inner Primary Bearing RaceFeaturesEliminates bearing race movement that can cause costly damage to transmission seal and output bearingA must for high-performance applicationsMade in the U.S.A.SpecsProduct NameBearing...$82.95 -
S&S Cycle - 56-5089 - Inner Primary Bearing Race
S&S Cycle
$81.95S&S Cycle - 56-5089 - Inner Primary Bearing RaceFeaturesEliminates bearing race movement that can cause costly damage to transmission seal and output bearingA must for high-performance applicationsMade in the U.S.A.SpecsUnitsEachProduct NameBearing...$81.95 -
James Gasket - JGI-34901-85-K - Primary Gasket Kit
JAMES GASKET
$67.95James Gasket - JGI-34901-85-K - Primary Gasket KitFeaturesTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in the USASpecsMaterialPaperProduct NameGasket KitThickness Imperial0...$67.95 -
James Gasket - JGI-7402 - Inner Primary Lock Tabs
JAMES GASKET
$1.95James Gasket - JGI-7402 - Inner Primary Lock TabsFeaturesLock-tabs designed for use on inner primary boltsMade in the U.S.A.Replacement Part for OEM Number(s): 7402SpecsUnitsEachProduct NameLock TabRiding StyleStreetTypeInner PrimaryFitment1984...$1.95 -
James Gasket - JGI-25352-00-F - Primary Gasket - Buell
JAMES GASKET
$40.95James Gasket - JGI-25352-00-F - Primary Gasket - BuellFeaturesTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in the USAReplacement Part for OEM Number(s): 2535200SpecsTypePrimary...$40.95 -
James Gasket - JGI-34901-94-KF - Primary Gasket
JAMES GASKET
$98.95James Gasket - JGI-34901-94-KF - Primary GasketFeaturesTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in the USASpecsFeaturesBeadedMaterialSiliconeTypePrimary CoverProduct NameGasket...$98.95 -
James Gasket - JGI-25352-00-KF - Primary Gasket - Buell
JAMES GASKET
$52.95James Gasket - JGI-25352-00-KF - Primary Gasket - BuellFeaturesTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in the USASpecsFeaturesBeadedMaterialFoamet®Product NameGasket KitRiding...$52.95
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.