Primary
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Out of stock
V-Twin - Inner Primary Mounting Bolt for Twin Cam (OEM #786A)
V-Twin Mfg
$43.66V-Twin - Inner Primary Mounting Bolt for Twin Cam (OEM #786A) Inner primary mounting bolt for Twin Cam is a grade 5 bolt with built in sealing washer under bolt flange. Fitment: FXBB 2018-UP FXFB 2018-UP FXD 2006-2017 FLST 2007-2017 FXLR 2018-UP FLHR...$43.66 -
Out of stock
PSR - Manual Primary Chain Tensioner fits '07-'16 Touring Models
PSR
$222.95PSR - Manual Primary Chain Tensioner fits '07-'16 Touring Models PSR's Manual Primary Chain Tensioner is precision-machined from billet aluminum. It helps with over-tightening and is easy to adjust. Features Heavy-duty manual tensioner Mounts with...$222.95 -
Out of stock
Darkhorse Motor Company - Motorsprocket Torx Taperhead Screw
Darkhorse Motor Company
$16.50Darkhorse Motor Company - Motorsprocket Torx Taperhead Screw$16.50 -
Out of stock
Jims - 2317 Primary Locking Bar for 5-Speed FXR/FLT/FLHT Models
Jims
$44.15Jims - 2317 Primary Locking Bar for 5-Speed FXR/FLT/FLHT Models This bar is to be used to lock primary for service work. Features Immobilizes primary drive Allows for tightening with a torque wrench or loosening with a breaker bar Prevents...$44.15 -
Out of stock
Colony Machine - Primary Cover Bolt Kit fits '17-'21 Touring, '07-'20 Softail Models (Except FXSB/FXBR/FXDRS)
Colony Machine
$41.95Colony Machine - Primary Cover Bolt Kit fits '17-'20 Touring, '07-'20 Softail Models (Except FXSB/FXBR/FXDRS) The Colony Machine Primary Cover Kit is a polished Allen Bolt Kit that is 100% manufactured in the U.S.A. Colony Machine is a choice brand...$41.95 -
Out of stock
Thrashin Supply Billet Derby Cover fits Harley M8 Softail Models
Thrashin Supply
$129.95Thrashin Supply Billet Derby Cover fits Harley M8 Softail Models Uses Stock Gasket and hardware Made in Los Angeles, CA 2018 non-FLSB models require an equipped narrow profile primary cover for use Fitment: Fits '18-later FLSB and '19-later...$129.95 -
Out of stock
V-Twin - 20-0926 - BDL Front Pulley Outer Belt Guide
Belt Drives Ltd.
MSRP: $36.36$32.40V-Twin - 20-0926 - BDL Front Pulley Outer Belt Guide Description BDL front pulley outer belt guide for belt drive. Fits: Replacement application for BDL belt drive Additional Information UOM 1 - EA Manufacturer Belt Drive LTD...MSRP: $36.36$32.40 -
Out of stock
Thrashin' Supply - OG Five-Hole Derby Covers fits '16 & Up Touring Models
Thrashin Supply
$169.95Thrashin' Supply - OG Five-Hole Derby Covers fits '16 & Up Touring Models Thrashin' Supply's Five-Hole Derby Covers are built from 6061 billet aluminum and utilize stock gasket and hardware. Available in your choice of black anodized finish...$169.95 -
Out of stock
V-Twin - 20-0925 - BDL Front Pulley Inner Belt Guide
Belt Drives Ltd.
MSRP: $37.27$33.21V-Twin - 20-0925 - BDL Front Pulley Inner Belt Guide Description BDL front pulley inner belt guide for belt drive. Fits: Replacement application for BDL belt drive Additional Information UOM 1 - EA Manufacturer Belt Drive LTD...MSRP: $37.27$33.21 -
Out of stock
V-Twin - 43-0175 - Chrome Inner Primary Cover
Motorshop
$268.68V-Twin - 43-0175 - Chrome Inner Primary CoverDescriptionChrome heavy duty inner primary cover has waffle reinforcement.This cover does not include bearing and hardware. Fits:FXST 1994-2006FLST 1994-2006Additional Information OEM No.60630-94AC UOM1 - EA...$268.68 -
Out of stock
V-Twin - 20-0614 - BDL Belt Drive Kit 8mm
Belt Drives Ltd.
MSRP: $545.42$538.60V-Twin - 20-0614 - BDL Belt Drive Kit 8mm Description Kit includes 1-1/2" belt, front and rear pulley.For use on kick starter models with an open or closed primary. Can be used with stock type clutch or BDL competitor clutch. Fits: FX...MSRP: $545.42$538.60 -
Out of stock
V-Twin - 12-2113 - Mount Stud Set for Inner Primary Cover
V-Twin Mfg
$23.94V-Twin - 12-2113 - Mount Stud Set for Inner Primary Cover Description Inner primary mount stud set includes 4 threaded studs. Fits: FL 1980-1984 FX 1980-1984 Additional Information OEM No. 16830-54 UOM 1 - SET Measurements Additional...$23.94 -
Out of stock
Cometic - C9889 - Primary Gasket Kit
Cometic
$101.80Cometic - C9889 - 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...$101.80 -
Out of stock
Belt Drives Ltd. - 31SI - Front Pulley
Belt Drives Ltd.
$238.00Belt Drives Ltd. - 31SI - Front Pulley Features Tough, high-quality billet construction Pulley features bolt-in splined or tapered insert Includes belt guides and mounting hardware Hard anodized finish Made in the U.S.A. Specs Tooth...$238.00 -
Out of stock
Jims - 967-4 Installation/Removal Inner Primary Bearing Tool fits '07-'20 Big Twin & '06 Dyna Models
Jims
$105.45Jims - 967-4 Installation/Removal Inner Primary Bearing Tool fits '07-'20 Big Twin & '06 Dyna Models Features: Safely removes and installs inner primary bearing without any damage to new bearing by pushing on outer perimeter of bearing Also...$105.45 -
Out of stock
Paughco - Chrome Inner Primary Cover fits '65-'69 FL Model
Paughco
MSRP: $267.07$252.38Paughco - Chrome Inner Primary Cover fits '65-'69 FL Model Chrome steel inner primary cover ia for Big Twin models Fitment: FL 1965-1969 Measurements: Body Width: 1.3" Tech Note: Suggested to use with #2071-10 Chrome Chain Guard and Oil...MSRP: $267.07$252.38 -
Out of stock
Colony - 9958-19 Chrome Primary Acorn Cover Mount Kit fits '99-'06 TC-88 FLT Model
Colony Machine
MSRP: $51.55$50.10Colony - 9958-19 Chrome Primary Acorn Cover Mount Kit fits '99-'06 TC-88 FLT Model Chrome acorn primary cover mount kit Fitment: FLT 1999-2006 TC-88MSRP: $51.55$50.10 -
Out of stock
Drag Specialties - Inner Primary Mainshaft Bearing/Seal Kit fits '89-'99 Evolution Big Twin & '99-'06 Big Twin Models (Exc. Dyna Glide Models)
Drag Specialties
$61.83Drag Specialties - Inner Primary Mainshaft Bearing/Seal Kit fits '89-'99 Evolution Big Twin & '99-'06 Big Twin Models (Exc. Dyna Glide Models) This kit comes with a pinion seal, a main shaft seal, bearing snap rings, an inner bearing race and a...$61.83 -
Out of stock
Colony - 2144-1 Aluminum Primary Cover Filler Caps fits '54-'70 Sportster Models (OEM #34742-52A)
Colony Machine
$22.95Colony - 2144-1 Aluminum Primary Cover Filler Caps fits '54-'70 Sportster Models (OEM #34742-52A) Features Chrome or raw aluminum finish Made in the U.S.A. Fitment YearMakeModel 1958 - 1970 Harley-Davidson Sportster 900...$22.95 -
Out of stock
Cometic - C9145F1 - Primary Gasket Only Big Twin Ea 1/Pk Oe#60547-06
Cometic
$44.61Cometic - C9145F1 - Primary Gasket Only Big Twin Ea 1/Pk Oe#60547-06FeaturesGlobal Trade Item Number: 191070001650At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$44.61 -
Out of stock
Cometic - C9150 - Primary Gasket & Seal Big Twin Kit
Cometic
$120.35Cometic - C9150 - Primary Gasket & Seal Big Twin KitFeaturesGlobal Trade Item Number: 191070019334At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to...$120.35 -
Out of stock
Cometic - C9179F1 - Primary Gasket Only Big Twin Ea 1/Pk Oe#34901-07
Cometic
$44.61Cometic - C9179F1 - Primary Gasket Only Big Twin Ea 1/Pk Oe#34901-07FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to match the higher level of...$44.61 -
Out of stock
Cometic - C9199F1 - Primary Inner Spacer/Seal Big Twin 1/Pk Oe#34934-06
Cometic
$35.30Cometic - C9199F1 - Primary Inner Spacer/Seal Big Twin 1/Pk Oe#34934-06FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to match the higher level...$35.30 -
Out of stock
Cometic - C9211 - Primary Gasket & Seal Sportster Kit
Cometic
$54.09Cometic - C9211 - Primary Gasket & Seal Sportster KitFeaturesGlobal Trade Item Number: 191070013011At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to...$54.09 -
Out of stock
Cometic - C9307F1 - Primary Gasket Only Big Twin 1/Pk Oe#34901-94A
Cometic
$44.61Cometic - C9307F1 - Primary Gasket Only Big Twin 1/Pk Oe#34901-94AFeaturesGlobal Trade Item Number: 19107000168At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$44.61 -
Out of stock
Cometic - C9308F1 - Primary Gasket Only Big Twin 1/Pk Oe#34901-79A
Cometic
$44.61Cometic - C9308F1 - Primary Gasket Only Big Twin 1/Pk Oe#34901-79AFeaturesGlobal Trade Item Number: 19107003097At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$44.61 -
Out of stock
Cometic - C9607F1 - Primary Gasket Only Big Twin Ea 1/Pk Oe#60538-81C
Cometic
$44.61Cometic - C9607F1 - Primary Gasket Only Big Twin Ea 1/Pk Oe#60538-81CFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to match the higher level...$44.61 -
Out of stock
Cometic - C9886 - Primary Gasket & Seal Big Twin Kit
Cometic
$135.74Cometic - C9886 - Primary Gasket & Seal Big Twin KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for...$135.74 -
Out of stock
Cometic - C9888 - Primary Gasket & Seal Big Twin Kit
Cometic
$128.31Cometic - C9888 - Primary Gasket & Seal Big Twin KitFeaturesGlobal Trade Item Number: 191070017910At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to...$128.31 -
Out of stock
Cometic - C9889 - Primary Gasket & Seal Big Twin Kit
Cometic
$98.26Cometic - C9889 - Primary Gasket & Seal Big Twin KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for...$98.26 -
Out of stock
James Gaskets - 34934-06 - Gasket Prim To Engine Twin Cam 96 1/Pk 34934-06
James Gaskets
$32.95James Gaskets - 34934-06 - Gasket Prim To Engine Twin Cam 96 1/Pk 34934-06FeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in the U.S.AFitment2015-2017Harley DavidsonFLRT...$32.95 -
Out of stock
James Gaskets - 31497-65 - Gasket Lack Plate Primary Covr 1/Pk 31497-65
James Gaskets
$7.50James Gaskets - 31497-65 - Gasket Lack Plate Primary Covr 1/Pk 31497-65FeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in the U.S.A.$7.50 -
Out of stock
Gardnerwestcott - P-10-14-01 - Big Twin Cam And Primary 07-16 Tc Touring Models
Gardner-Westcott
$182.95Gardnerwestcott - P-10-14-01 - Big Twin Cam And Primary 07-16 Tc Touring ModelsFeaturesGlobal Trade Item Number: 884960246032Polished chrome platedMade in the USAFitment2015-2017Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide...$182.95 -
Out of stock
Gardnerwestcott - P-10-16-01 - Big Twin Cam And Primary 00-06 Tc Softail Models
Gardner-Westcott
$162.95Gardnerwestcott - P-10-16-01 - Big Twin Cam And Primary 00-06 Tc Softail ModelsFeaturesGlobal Trade Item Number: 884960246094Polished chrome platedMade in the USAFitment2005-2006Harley DavidsonFLSTFSE CVO Softail Fat Boy2003-2004Harley DavidsonFXSTDSE...$162.95 -
Out of stock
Gardnerwestcott - P-10-17-01 - Big Twin Cam And Primary 99-06 Tc Touring Models
Gardner-Westcott
$157.95Gardnerwestcott - P-10-17-01 - Big Twin Cam And Primary 99-06 Tc Touring ModelsFeaturesGlobal Trade Item Number: 884960246100Polished chrome platedMade in the USAFitment1999-2006Harley DavidsonFLHR Road King1999-2006Harley DavidsonFLHTC Electra Glide...$157.95 -
Out of stock
Gardnerwestcott - P-10-18-01 - Big Twin Cam And Primary 99-05 Tc Dyna Models
Gardner-Westcott
$177.95Gardnerwestcott - P-10-18-01 - Big Twin Cam And Primary 99-05 Tc Dyna ModelsFeaturesGlobal Trade Item Number: 884960246124Polished chrome platedMade in the USAFitment2001-2002Harley DavidsonFXDWGSE CVO Dyna Switchblade1999-2005Harley DavidsonFXD Dyna...$177.95 -
Out of stock
Gardnerwestcott - P-10-17-08 - Primary Cover Set Polished 99-06 Tc Touring Models
Gardner-Westcott
$69.95Gardnerwestcott - P-10-17-08 - Primary Cover Set Polished 99-06 Tc Touring ModelsFeaturesGlobal Trade Item Number: 884960246117Made in the USAPolished chrome platedFitment1999-2006Harley DavidsonFLHR Road King1999-2006Harley DavidsonFLHTC Electra Glide...$69.95 -
Out of stock
Gardnerwestcott - P-10-20-01 - Big Twin Cam And Primary 87-98 Touring And Fxr Models
Gardner-Westcott
$116.95Gardnerwestcott - P-10-20-01 - Big Twin Cam And Primary 87-98 Touring And Fxr ModelsFeaturesGlobal Trade Item Number: 884960246179Polished chrome platedMade in the USAFitment1994-1998Harley DavidsonFLHR Road King1987-1998Harley DavidsonFLHTC Electra...$116.95 -
Out of stock
Colony Machine - 7811-14 - Inner Primary Mount Kit Knuckle 36-54
Colony Machine
$32.95Colony Machine - 7811-14 - Inner Primary Mount Kit Knuckle 36-54$32.95 -
Out of stock
Colony Machine - 7812-12 - Inner Primary Mount Kit Panhead 55-64
Colony Machine
$35.95Colony Machine - 7812-12 - Inner Primary Mount Kit Panhead 55-64FeaturesFitment1955-1964Harley DavidsonFLH Electra Glide$35.95
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.