Primary
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- Quantity
- Price
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Drag Specialties - 11200177 - Inner Primary Bearing
Drag Specialties
MSRP: $12.31$12.16Drag Specialties - 11200177 - Inner Primary BearingFeaturesSealed ball bearing fits into aluminum inner primary covers to support transmission mainshaftSpecsMSRP: $12.31$12.16 -
Drag Specialties - 11200160 - Primary Tensioner Kit - '01-'06 Twin Cam
Drag Specialties
$102.77Drag 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,...$102.77 -
Drag Specialties - 11200079 - Primary Tension Shoe - '01-'06 Big Twin
Drag Specialties
$17.97Drag Specialties - 11200079 - Primary Tension Shoe - '01-'06 Big TwinFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3997601Specs$17.97 -
Drag Specialties - 11070339 - Primary Plug - 5/16"-18
Drag Specialties
MSRP: $18.49$17.95Drag Specialties - 11070339 - Primary Plug - 5/16"-18FeaturesZinc finishReplacement Part for OEM Number(s):6039104SpecsMSRP: $18.49$17.95 -
Drag Specialties - 11070045 - Inner Primary Cover - '94-'06 Softail
Drag Specialties
MSRP: $407.83$395.95Drag Specialties - 11070045 - Inner Primary Cover - '94-'06 SoftailFeaturesRugged, die-cast aluminum construction with a chrome-plated finishStarter shaft bushing included; seals and other components...MSRP: $407.83$395.95 -
Drag Specialties - 11070038 - Inner Primary Cover
Drag Specialties
MSRP: $409.89$397.95Drag Specialties - 11070038 - Inner Primary CoverFeaturesRugged, die-cast aluminum construction with a chrome-plated finishStarter shaft bushing included; seals and other components must be ordered...MSRP: $409.89$397.95 -
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...$27.95 -
Baker Drivetrain - DD6-178 - Primary Adjuster Shoe
Baker Drivetrain
$59.00Baker Drivetrain - DD6-178 - Primary Adjuster Shoe Features Replacement shoe for BAKER DD6 transmission applications Made in the U.S.A. Specs$59.00 -
Belt Drives Ltd. - BDC-4C - 3" Primary Belt Cover
Belt Drives Ltd.
$838.00Belt Drives Ltd. - BDC-4C - 3" Primary Belt Cover Features Billet aluminum construction with a chrome-plated finish Styled to match Belt Drives' popular Top Fuel belt drive cover Fits 3" open...$838.00 -
Belt Drives Ltd. - TFBSB-100 - Bearing
Belt Drives Ltd.
$38.00Belt Drives Ltd. - TFBSB-100 - Bearing Features For use on BDL Belt Drive clutches Specs Units$38.00 -
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...$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...$81.95 -
James Gasket - JGI-34901-85-K - Primary Gasket Kit
James Gaskets
$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 USASpecs$67.95 -
James Gasket - JGI-25352-00-F - Primary Gasket - Buell
James Gaskets
$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...$40.95 -
James Gasket - JGI-34901-94-KF - Primary Gasket
James Gaskets
$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 USASpecs$98.95 -
James Gasket - JGI-25352-00-KF - Primary Gasket - Buell
James Gaskets
$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 USASpecs$52.95 -
James Gasket - JGI-60547-06-K - Primary Cover Gasket Kit - Dyna/Softail
James Gaskets
$75.95James Gasket - JGI-60547-06-K - Primary Cover Gasket Kit - Dyna/SoftailFeaturesTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in...$75.95 -
James Gasket - JGI-34901-05-K - Primary Cover Gasket Kit
James Gaskets
$75.95James Gasket - JGI-34901-05-K - Primary Cover Gasket KitFeaturesTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in the USASpecs$75.95 -
Diamond - DMD-4282RV76NRI - Primary Chain - #428-2-76 - 5-Speed
Diamond Chain
$192.95Diamond - DMD-4282RV76NRI - Primary Chain - #428-2-76 - 5-SpeedFeaturesEndless link Diamond primary chainMade in the U.S.A.Replacement Part for OEM Number(s): 4003779,4003779ASpecs$192.95 -
Diamond - DMD-428-2RV-82NRI - Primary Chain - #428-2-82 - 4-Speed
Diamond Chain
$208.95Diamond - 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,4000736BSpecs$208.95 -
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...$12.95 -
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...$49.95 -
Diamond - DMD-4282RV86NRI - Primary Chain - 428-2 x 86
Diamond Chain
$218.95Diamond - 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$218.95 -
Colony - 7826-1 - Nut - Motor Sprocket - Big Twin
Colony Machine
$19.95Colony - 7826-1 - Nut - Motor Sprocket - Big Twin Features Made in the U.S.A. Replacement Part for OEM Number(s): 2400355 Specs$19.95 -
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...$29.35 -
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...$138.55 -
Belt Drives Ltd. - 76-47-3S - 8mm/3" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84
Belt Drives Ltd.
$903.08Belt Drives Ltd. - 76-47-3S - 8mm/3" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer 3" kit comes with...$903.08 -
Belt Drives Ltd. - 62-39SK-2 - 8mm/1.5" Primary Belt Drive - Kick Start - '55-'64
Belt Drives Ltd.
$764.62Belt Drives Ltd. - 62-39SK-2 - 8mm/1.5" Primary Belt Drive - Kick Start - '55-'64 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are...$764.62 -
Belt Drives Ltd. - 62-39TK-1 - 8mm/1.5" Primary Belt Drive - Kick Start - '36-'54
Belt Drives Ltd.
$764.62Belt Drives Ltd. - 62-39TK-1 - 8mm/1.5" Primary Belt Drive - Kick Start - '36-'54 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are...$764.62 -
Belt Drives Ltd. - 61-41SE-1 - 8mm Primary Belt Drive - Electric Start - '65-'78
Belt Drives Ltd.
$890.00Belt Drives Ltd. - 61-41SE-1 - 8mm Primary Belt Drive - Electric Start - '65-'78 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are...$890.00 -
Belt Drives Ltd. - 61-41SE-2 - 8mm Primary Belt Drive - Electric Start - '79-'84
Belt Drives Ltd.
$890.00Belt Drives Ltd. - 61-41SE-2 - 8mm Primary Belt Drive - Electric Start - '79-'84 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are...$890.00 -
Belt Drives Ltd. - CD-1-70 - Primary Drive System - Electric Start
Belt Drives Ltd.
$1,576.46Belt Drives Ltd. - CD-1-70 - Primary Drive System - Electric Start Features Kit includes primary chain, front sprocket and nut, chain adjuster, clutch basket and clutch assembly with aramid...$1,576.46 -
Belt Drives Ltd. - PS-1500 - Inner Primary Spacer
Belt Drives Ltd.
$202.46Belt Drives Ltd. - PS-1500 - Inner Primary Spacer Features Fit between the inner primary and motor Used with fat tire/wide frame applications Polished finish Made in the U.S.A. Specs$202.46 -
Belt Drives Ltd. - PS-1000 - Inner Primary Spacer
Belt Drives Ltd.
$129.08Belt Drives Ltd. - PS-1000 - Inner Primary Spacer Features Fit between the inner primary and motor Used with fat tire/wide frame applications Polished finish Made in the U.S.A. Specs$129.08 -
Belt Drives Ltd. - PS-750 - Inner Primary Spacer
Belt Drives Ltd.
$104.15Belt Drives Ltd. - PS-750 - Inner Primary Spacer Features Fit between the inner primary and motor Used with fat tire/wide frame applications Polished finish Made in the U.S.A. Specs$104.15 -
Belt Drives Ltd. - PS-500 - Inner Primary Spacer
Belt Drives Ltd.
$87.69Belt Drives Ltd. - PS-500 - Inner Primary Spacer Features Fit between the inner primary and motor Used with fat tire/wide frame applications Polished finish Made in the U.S.A. Specs$87.69 -
Belt Drives Ltd. - PS-250 - Inner Primary Spacer
Belt Drives Ltd.
$73.38Belt Drives Ltd. - PS-250 - Inner Primary Spacer Features Fit between the inner primary and motor Used with fat tire/wide frame applications Polished finish Made in the U.S.A. Specs$73.38 -
Belt Drives Ltd. - CDBCS-1-90 - Primary Drive with Lockup
Belt Drives Ltd.
$1,755.08Belt Drives Ltd. - CDBCS-1-90 - Primary Drive with Lockup Features Complete chain drive kit featuring BDL's ball-bearing lockup clutch for riders who want a lighter, easier to operate...$1,755.08 -
James Gasket - Engine Inner Primary Seal fits '17-'23 M-Eight Models (OEM #256004-55, 257004-55)
James Gaskets
$24.95James Gasket - Engine Inner Primary Seal fits '17-'23 M-Eight Models (OEM #256004-55, 257004-55) Features: Made in the U.S.A. F$24.95 -
James Gasket - Primary Cover Gasket fits '17-'23 Touring Models (OEM #257003-78)
James Gaskets
$42.95James Gasket - Primary Cover Gasket fits '17-'23 Touring Models (OEM #257003-78) Features: Replacement Engine Gasket Fitment$42.95
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.