Primary
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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 -
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 -
Drag Specialties - DS190755 - Bolt Set - Cam/Primary/Inspection/Derby Cover - Knurled - '70-'84 Harley-Davidson
Drag Specialties
$26.20Drag Specialties - DS190755 - Bolt Set - Cam/Primary/Inspection/Derby Cover - Knurled - '70-'84 Harley-DavidsonFeaturesReplacement hardware for cam, primary, inspection and derby coverMade in the USASpecsColor/FinishSilverProduct NameBoltTypeInspection...$26.20 -
Drag Specialties - DS190750 - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Knurled - '77-'85 Sportster
Drag Specialties
$26.20Drag Specialties - DS190750 - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Knurled - '77-'85 SportsterFeaturesReplacement hardware for cam, primary and sprocket coverIncludes oil check screwMade in the USASpecsBase...$26.20 -
Drag Specialties - DS190391S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '71-'76 Sportster
Drag Specialties
$30.40Drag Specialties - DS190391S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '71-'76 SportsterFeaturesReplacement hardware for primary cover onlyMade in the USASpecsStyleSmoothBase FinishChromeColor/FinishSilverProduct NameBoltUnitsKitRiding...$30.40 -
Drag Specialties - 78050022 - Primary Shoe Adjuster - '91-'03 XL
Drag Specialties
$50.42Drag 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...$50.42 -
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 -
Drag Specialties - 24010784 - Bolt Kit - Primary Cover - Smooth - Chrome - Sportster
Drag Specialties
$68.20Drag Specialties - 24010784 - Bolt Kit - Primary Cover - Smooth - Chrome - SportsterFeaturesReplacement hardware for the primary coverMade in the USASpecsBase FinishChromeBase ColorSilverStyleSocket-HeadProduct NameBoltTypePrimary...$68.20 -
Drag Specialties - 24010783 - Bolt Kit - Primary Cover - Knurled - Chrome - Sportster
Drag Specialties
$57.70Drag Specialties - 24010783 - Bolt Kit - Primary Cover - Knurled - Chrome - Sportster Features Replacement hardware for the primary cover Made in the...$57.70 -
Drag Specialties - 24010771 - Bolt Kit - Primary Cover - Knurled - Chrome - Touring
Drag Specialties
$85.00Drag Specialties - 24010771 - Bolt Kit - Primary Cover - Knurled - Chrome - TouringFeaturesReplacement hardware for the primary coverMade in the USASpecsRiding StyleStreetColor/FinishChromeBase ColorSilverStyleSocket-HeadUnitsKitBase...$85.00 -
Drag Specialties - 24010770 - Bolt Kit - Primary Cover - Smooth - Chrome - Softail/Dyna
Drag Specialties
$86.05Drag Specialties - 24010770 - Bolt Kit - Primary Cover - Smooth - Chrome - Softail/DynaFeaturesReplacement hardware for the primary coverMade in the USASpecsBase FinishChromeColor/FinishSilverStyleSmoothProduct NameBoltTypePrimary...$86.05 -
Drag Specialties - 24010769 - Bolt Kit - Primary Cover - Knurled - Chrome - Softail/Dyna
Drag Specialties
$75.55Drag Specialties - 24010769 - Bolt Kit - Primary Cover - Knurled - Chrome - Softail/DynaFeaturesReplacement hardware for the primary coverMade in the USASpecsRiding StyleStreetStyleKnurledColor/FinishChromeMaterialSteelBase...$75.55 -
Drag Specialties - 24010575 - Bolt Kit - Primary Cover - Smooth - Black/Chrome - '04-'21 Sportster
Drag Specialties
$76.60Drag Specialties - 24010575 - Bolt Kit - Primary Cover - Smooth - Black/Chrome - '04-'21 SportsterFeaturesReplacement hardware for the primary coverMade in the USASpecsRiding StyleStreetStyleSmoothColor/FinishChromeMaterialSteelBase...$76.60 -
Drag Specialties - 24010573 - Bolt Kit - Cam Cover - Smooth - Black/Chrome - '99-'17 Twin Cam
Drag Specialties
$49.30Drag Specialties - 24010573 - Bolt Kit - Cam Cover - Smooth - Black/Chrome - '99-'17 Twin CamFeaturesReplacement hardware for cam coverMade in the USASpecsStyleSocket-HeadColor/FinishBlackUnitsKitMaterialSteelTypeCam CoverBase ColorBlackRiding...$49.30 -
Drag Specialties - 24010574 - Bolt Kit - Primary Cover - Knurled - Black/Chrome - '04-'21 Sportster
Drag Specialties
$64.00Drag Specialties - 24010574 - Bolt Kit - Primary Cover - Knurled - Black/Chrome - '04-'21 Sportster Features Replacement hardware for the primary cover Made in the USA Specs Riding Style Street Base Finish Chrome Product...$64.00 -
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 -
Drag Specialties - 24010568 - Bolt Kit - Primary Cover - Knurled - Black/Chrome - '07-'17 Softail/Dyna
Drag Specialties
$85.00Drag Specialties - 24010568 - Bolt Kit - Primary Cover - Knurled - Black/Chrome - '07-'17 Softail/DynaFeaturesReplacement hardware for the primary coverMade in the USASpecsRiding StyleStreetColor/FinishChromeMaterialSteelBase...$85.00 -
Drag Specialties - 21100036 - Inner Primary Bushing
Drag Specialties
$19.52Drag Specialties - 21100036 - Inner Primary BushingFeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344589SpecsRiding StyleStreetTypeInner PrimaryMaterialSteelProduct NameBushingUnitsEachFitment1989-1993 Harley-Davidson FLHS...$19.52 -
Drag Specialties - 21100037 - Outer Primary Bushing - '94-'06
Drag Specialties
$14.37Drag Specialties - 21100037 - Outer Primary Bushing - '94-'06FeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344694ASpecsRiding StyleStreetTypeStarter ShaftMaterialSteelProduct NameBushingUnitsEachFitment2005 Harley-Davidson...$14.37 -
Drag Specialties - 21100035 - Inner Primary Bushing - '94-'06 Twin Cam
Drag Specialties
$19.52Drag Specialties - 21100035 - Inner Primary Bushing - '94-'06 Twin CamFeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344594ASpecsProduct NameBushingMaterialSteelUnitsEachRiding StyleStreetTypeInner PrimaryFitment2005...$19.52 -
Drag Specialties - 20173461 - Compensating Sprocket Nut - '91-'06 Twin Cam
Drag Specialties
$21.79Drag 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...$21.79 -
Drag Specialties - 20173462 - Compensating Sprocket Nut - '70-'90
Drag Specialties
$19.71Drag Specialties - 20173462 - Compensating Sprocket Nut - '70-'90 Features temp Replacement compensating nut for a smoother ride Replacement Part for OEM Number(s):4039271 Specs Product Name Nut Type Compensating...$19.71 -
Drag Specialties - 11320005 - Inner Primary Bearing - '85-'06 Twin Cam
Drag Specialties
$97.80Drag 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...$97.80 -
Drag Specialties - 11200404 - Compensator Kit
Drag Specialties
$424.31Drag 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...$424.31 -
Drag Specialties - 11200305 - Inner Primary Bearing Race
Drag Specialties
$11.28Drag Specialties - 11200305 - Inner Primary Bearing RaceFeaturesFits most OEM and most aftermarket inner primariesReplacement Part for OEM Number(s):3409106SpecsTypeMainshaftUnitsEachRiding StyleStreetProduct NameBearingFitment2007 Harley-Davidson FLHR...$11.28 -
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 -
Drag Specialties - 11200352 - Primary Chain Adjuster - '04-'22 XL
Drag Specialties
$65.87Drag Specialties - 11200352 - Primary Chain Adjuster - '04-'22 XLFeaturesIncludes bracket shoe and retaining clipZinc platedReplaces OEM adjusterReplacement Part for OEM Number(s):4003902C,7804SpecsMaterialSteelColor/FinishZincRiding...$65.87 -
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 -
Drag Specialties - 11200177 - Inner Primary Bearing
Drag Specialties
$12.31Drag Specialties - 11200177 - Inner Primary BearingFeaturesSealed ball bearing fits into aluminum inner primary covers to support transmission mainshaftSpecsProduct NameBearingMaterialAluminumRiding StyleStreetUnitsEachColor/FinishChromeTypeInner Primary...$12.31 -
Drag Specialties - 11200160 - Primary Tensioner Kit - '01-'06 Twin Cam
Drag Specialties
$99.86Drag 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...$99.86 -
Drag Specialties - 11200079 - Primary Tension Shoe - '01-'06 Big Twin
Drag Specialties
$17.46Drag 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...$17.46 -
Drag Specialties - 11200078 - Primary Drive Kit
Drag Specialties
$531.43Drag Specialties - 11200078 - Primary Drive KitFeaturesKit includes compensating sprocket assembly, chain adjuster assembly and complete clutch assembly with aramid friction platesPrimary chains sold separatelySpecsTooth Count37UnitsKitProduct...$531.43 -
Drag Specialties - 11070340 - Primary Plug - 1/2"-20
Drag Specialties
$20.55Drag Specialties - 11070340 - Primary Plug - 1/2"-20FeaturesZinc finishReplacement Part for OEM Number(s):6032898BSpecsProduct NameDrain PlugRiding StyleStreetColor/FinishZincUnitsEach$20.55 -
Drag Specialties - 11070339 - Primary Plug - 5/16"-18
Drag Specialties
$18.49Drag Specialties - 11070339 - Primary Plug - 5/16"-18FeaturesZinc finishReplacement Part for OEM Number(s):6039104SpecsRiding StyleStreetColor/FinishZincProduct NameDrain PlugUnitsEach$18.49 -
Drag Specialties - 11070326 - Primary Plug - 1/8 NPT"
Drag Specialties
$18.49Drag Specialties - 11070326 - Primary Plug - 1/8 NPT"FeaturesZinc finishReplacement Part for OEM Number(s):739ASpecsColor/FinishZincProduct NameDrain PlugRiding StyleStreetUnitsEach$18.49 -
Drag Specialties - 11070045 - Inner Primary Cover - '94-'06 Softail
Drag Specialties
$407.83Drag 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...$407.83 -
Drag Specialties - 11070038 - Inner Primary Cover
Drag Specialties
$409.89Drag 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...$409.89 -
Performance Machine (Pm) - 0034-1123M-B - Shift Primary Plug
Performance Machine
$27.95Performance Machine (Pm) - 0034-1123M-B - Shift Primary PlugFeaturesPlugs the opening on the primary case when switching to Performance Machine mid controlsDesigned for use on M-Eight Softail models without floorboardsClean, finished look that adds style...$27.95 -
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
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.