Primary
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Belt Drives Ltd. - 76-47-2S - 8mm/2" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84
Belt Drives Ltd.
$850.92Belt Drives Ltd. - 76-47-2S - 8mm/2" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are hard anodized aluminum; front pulley is...$850.92 -
Belt Drives Ltd. - 62-40SK-3 - 8mm/1.5" Primary Belt Drive - Kick Start - '65-'78
Belt Drives Ltd.
$764.62Belt Drives Ltd. - 62-40SK-3 - 8mm/1.5" Primary Belt Drive - Kick Start - '65-'78 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are hard anodized aluminum; front pulley is drilled and...$764.62 -
Belt Drives Ltd. - 61-41SK-4 - 8mm/1.5" Primary Belt Drive - Kick Start - '79-'84
Belt Drives Ltd.
$764.62Belt Drives Ltd. - 61-41SK-4 - 8mm/1.5" Primary Belt Drive - Kick Start - '79-'84 Features All 8mm kits come with belt, clutch basket, front pulley, nut and washer Pulley and clutch basket are hard anodized aluminum; front pulley is drilled and...$764.62 -
Belt Drives Ltd. - EV-76-47S - 3"/8mm Belt Drive with Clutch
Belt Drives Ltd.
$1,533.85Belt Drives Ltd. - EV-76-47S - 3"/8mm Belt Drive with Clutch Features 3' kick start system is a direct bolt-in application Includes front pulley, belt, clutch hub and clutch basket and aramid clutch set (consists of two half plates, four full plates...$1,533.85 -
Baker Drivetrain - PRK-FXST-2 - Primary Rebuild Kit - '07-'17 Softail, '06-'17 Dyna
Baker Drivetrain
$119.00Baker Drivetrain - PRK-FXST-2 - Primary Rebuild Kit - '07-'17 Softail, '06-'17 DynaFeaturesA convenient all-inclusive primary gasket and seal kit for anytime the primary case is removedIncludes gaskets, seals and O-ringsMade in the U.S.A.SpecsProduct...$119.00 -
James Gasket - Foamet® Primary Cover Gasket fits '04-'22 Sportster Models (Except RH Sportster (OEM #34955-04))
James Gaskets
$36.95James Gasket - Foamet® Primary Cover Gasket fits '04-'22 Sportster Models (Except RH Sportster (OEM #34955-04)) Features: Top quality gaskets, seals and O-rings meet or exceed OEM specifications Primary gasket features silicone beading Made in...$36.95 -
James Gasket - Primary Cover Gasket fits '06-'16 FLT, '07-'17 Softail/Dyna Models (OEM #34934-06)
James Gaskets
$30.95James Gasket - Primary Cover Gasket fits '06-'16 FLT, '07-'17 Softail/Dyna Models (OEM #34934-06) Features: Top quality gasket Made in the USA Fitment 2016-2017 Harley-Davidson Fat Boy S...$30.95 -
James Gasket - Primary Cover Gasket fits '67-'76 Sportster Models (OEM #34955-67, 34955-67A)
James Gaskets
$45.95James Gasket - Primary Cover Gasket fits '67-'76 Sportster Models (OEM #34955-67, 34955-67A) Features: Top quality gaskets, seals and O-rings meet or exceed OEM specifications Primary gasket features silicone beading Made in the...$45.95 -
James Gasket - Primary Cover Gasket fits '91-'03 Sportster Models (OEM #34955-89)
James Gaskets
$45.95James Gasket - Primary Cover Gasket fits '91-'03 Sportster Models (OEM #34955-89) Features: Top quality gaskets, seals and O-rings meet or exceed OEM specifications Primary gasket features silicone beading Made in the...$45.95 -
James Gasket - Primary Gasket fits '89-'93 Softail & Dyna Glide Models w/ Foamet®
James Gaskets
$119.95James Gasket - Primary Gasket fits '89-'93 Softail & Dyna Glide Models w/ Foamet® Features: Top quality gaskets, seals and O-rings meet or exceed OEM specifications Primary gasket features silicone beading Made in the...$119.95 -
James Gasket - Primary Cover Gasket fits '00-'06 Softail, '99-'05 Dyna Models (OEM #60539-94)
James Gaskets
$52.95James Gasket - Primary Cover Gasket fits '00-'06 Softail, '99-'05 Dyna Models (OEM #60539-94) Features: Top quality gaskets, seals and O-rings meet or exceed OEM specifications Primary gasket features silicone beading Made in the...$52.95 -
Jims - 1168 Primary Cover Inspection Plug Tool fits '57-'90 Sportster Models
Jims
MSRP: $38.95$38.65Jims - 1168 Primary Cover Inspection Plug Tool fits '57-'90 Sportster Models Features: Use this tool to remove and install primary inspection plug Made in the USAMSRP: $38.95$38.65 -
Belt Drives Ltd. - 1-5/8" 4-Speed Belt Drive fits '79-'E84 Big Twin Models
Belt Drives Ltd.
$1,359.85Belt Drives Ltd. - 1-5/8" 4-Speed Belt Drive fits '79-'E84 Big Twin Models Features: 1-1/2" and 1-5/8" kits include front pulley, belt, clutch hub, clutch basket and aramid clutch set (consists of two half plates, four full plates and five steel...$1,359.85 -
Colony - 9717-1 Parkerized Kick Starter Spring Stud fits '37-'48 UL, '71-'84 FX, '36-'40 EL Models (OEM #33090-36)
Colony Machine
MSRP: $17.92$16.12Colony - 9717-1 Parkerized Kick Starter Spring Stud fits '37-'48 UL, '71-'84 FX, '36-'40 EL Models (OEM #33090-36) Kick starter spring stud with a parkerized finish Fitment: UL 1937-1948 FX 1971-1984 EL 1936-1940 FL 1941-1984MSRP: $17.92$16.12 -
V-Twin - Outer Primary Gasket Kit fits '65-'81 FL, '71-'81 FX Models
V-Twin Mfg
$32.25V-Twin - Outer Primary Gasket Kit fits '65-'81 FL, '71-'81 FX Models Outer primary gasket kit includes one primary cover gasket, one derby cover gasket and one inspection plate gasket. Gaskets are not beaded Fitment: FL 1965-1981 FX 1971-1981$32.25 -
V-Twin - 24 Tooth Compensator Sprocket Kit fits '70-'84 FL, '71-'84 FX Model
V-Twin Mfg
$275.13V-Twin - 24 Tooth Compensator Sprocket Kit fits '70-'84 FL, '71-'84 FX Model Kit Includes: 24 tooth sprocket, retainer and cover assembly, a raw compensator sprocket cup, motor sprocket nut , a forged motor sprocket cam, and a sprocket shaft extension ...$275.13 -
Colony - 2-1/4" Socket-Head Belt Pulley Mounting Hardware Kit with Washers fits '00-'06 Softail, '00-'05 Dyna Models (OEM #3737)
Colony Machine
$32.95Colony - 2-1/4" Socket-Head Belt Pulley Mounting Hardware Kit with Washers fits '00-'06 Softail, '00-'05 Dyna Models (OEM #3737) Features: Brake rotor, sprocket and belt mounting kits Available to fit virtually all H-D brakes, chain and belt...$32.95 -
James Gaskets - Inspection Cover Seal Kit fits '85-'06 Touring Models
James Gaskets
$9.95James Gaskets - Inspection Cover Seal Kit fits '85-'06 Touring Models This kit is part of James Gasket's line of high-quality gaskets, seals and O-rings. Features Cover seals are a seal, not a gasket Cover seals are molded rubber, beaded oil seals...$9.95 -
Thrashin' Supply - Finned Five-Hole Derby Covers fits '16 & Up Touring Models
Thrashin Supply
$179.95Thrashin' Supply - Finned 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...$179.95 -
Jims - 2312 Primary Locking Bar for '07-'16 Touring Models
Jims
MSRP: $77.95$74.90Jims - 2312 Primary Locking Bar for '07-'16 Touring 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 damage...MSRP: $77.95$74.90 -
Drag Specialties - Aluminum Outer Primary Covers fits '99-'06 Touring Models
Drag Specialties
$368.95 - $412.95Drag Specialties - Aluminum Outer Primary Covers fits '99-'06 Touring Models The Drag Specialties Aluminum Outer Primary Cover is a replacement for OEM #60665-99. It is available in your choice of a chrome or satin black finish. Features Die-cast...$368.95 - $412.95 -
Covington's Customs - Finned Inspection Covers - fits '99-'06 FLT/FLHT/FLHR/FLTR
Covington's Customs
$90.95Covington's Customs Finned Inspection Covers - fits '99-'06 Touring Models These Finned Inspection Cover are CNC-machined from billet aluminum and are available in Gloss Black or Chrome. Features: FINNED INSPECTION COVERS CNC-machined from billet...$90.95 -
Colony - Primary Filler Cap - fits '71-'76 XL
Colony Machine
$39.95Colony Primary Filler Cap fits '71-'76 XL This chrome filler cap is durable and looks nice. It includes a breather/baffle and comes with a rubber o-ring. Swap out the OEM cap on your motorcycle with the Colony primary filler cap knowing you're using a...$39.95 -
Drag Specialties - Chrome Outer Primary Cover - fits '70-'84 FL
Drag Specialties
MSRP: $290.41$281.95Drag Specialties - Chrome Outer Primary Cover - fits '70-'84 FL Drag Specialties outer primary kit is just what you need for your Harley Davidson if you're looking to switch it up a bit. Made from durable aluminum, this cover can withstand just about...MSRP: $290.41$281.95 -
James Gaskets - Gasket Kit, Inspection-Derby Cover - fits '99-'06 Touring Models
James Gaskets
$27.95The James Gaskets Gasket Kit,Inspection-Derby Cover: State of the art material Made in the USA Fitment: '99-'06 Touring Models$27.95 -
James Gaskets - Inspection-Clutch Derby Cover Gasket Kit - fits '70-'98 Big Twin
James Gaskets
$28.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '70-'98 Big Twin Models$28.95 -
Joker Machine - Billet Derby Cover - Black fits '84-'98 Big Twin Models
Joker Machine
$127.95Joker Machine Billet Derby Cover: Black, Finned Includes mounting hardware Made in USA Fitment: '84-'98 Big Twin Models$127.95 -
Joker Machine - Sportster Inspection Cover - Finned, Chrome - Fits '04-'16 XL
Joker Machine
$47.95Customize your Sportster with the Joker Machine Finned Inspection Cover. Top-quality construction - CNC-milled out of 6061-T6 billet aluminum All custom mounting hardware is included Made in the U.S.A.$47.95 -
S&S Cycle - 560-0447 - Primary Chain - '07-'25 Touring
S&S Cycle
$125.95S&S Cycle - 560-0447 - Primary Chain - '07-'25 TouringFeaturesHeat treated components to reduce stretch and maintenancePrecision engineering extends chain lifeDirect OEM replacement11% strongerSpecsRiding StyleStreetUnitsEachProduct...$125.95 -
S&S Cycle - 560-0448 - Primary Chain - '07-'25 Softail/'06-'17 Dyna
S&S Cycle
$125.95S&S Cycle - 560-0448 - Primary Chain - '07-'25 Softail/'06-'17 DynaFeaturesHeat treated components to reduce stretch and maintenancePrecision engineering extends chain lifeDirect OEM replacement11% strongerSpecsProduct NameChainRiding...$125.95 -
S&S Cycle - 560-0446 - Primary Chain - '84-'06 Softail
S&S Cycle
$125.95S&S Cycle - 560-0446 - Primary Chain - '84-'06 SoftailFeaturesHeat treated components to reduce stretch and maintenancePrecision engineering extends chain lifeDirect OEM replacement11% strongerSpecsProduct NameChainRiding...$125.95 -
Feuling Parts - 2034 - Compensator Spring - Replacement
Feuling
$59.95Feuling Parts - 2034 - Compensator Spring - ReplacementFeaturesFeatures a steeper bevel that provides more preload and pressure on the spring pack and compensatorThicker, stronger and an increased bevel over stockPerformance compensator replacement...$59.95 -
Baker Drivetrain - 39976-65B-BD - Primary Chain Adjuster Shoe - 2-Hole Bracket/Race Grade - '65-'00 Harley-Davidson
Baker Drivetrain
$45.00Baker Drivetrain - 39976-65B-BD - Primary Chain Adjuster Shoe - 2-Hole Bracket/Race Grade - '65-'00 Harley-DavidsonFeaturesMachined from billet nylon 6-6, not moldedIncreased service lifeStronger than stockProudly made in the USATested, used and endorsed...$45.00 -
Terry Components - 550103 - Jackshaft Bolts
Terry Components
$20.99Terry Components - 550103 - Jackshaft Bolts Features Specs Product Name Bolt Riding Style Street Units 2 Pack$20.99 -
Cometic - C9125 - Primary Gasket & Seal Sportster Kit
Cometic
$40.18Cometic - C9125 - Primary Gasket & Seal Sportster KitFeaturesGlobal Trade Item Number: 191070019259At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to...$40.18 -
Cometic - C9173 - Primary Gasket & Seal Big Twin Kit
Cometic
$120.35Cometic - C9173 - Primary Gasket & Seal Big Twin KitFeaturesGlobal Trade Item Number: 191070004705At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to...$120.35 -
Cometic - C9210 - Primary Gasket & Seal Sportster Kit
Cometic
$54.09Cometic - C9210 - Primary Gasket & Seal Sportster 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...$54.09 -
Cometic - C9314F1 - Primary Gasket Only Sportster Ea 1/Pk Oe#34955-89A
Cometic
$30.93Cometic - C9314F1 - Primary Gasket Only Sportster Ea 1/Pk Oe#34955-89AFeaturesAt 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...$30.93 -
Cometic - C9885 - Primary Gasket & Seal Big Twin Kit
Cometic
$135.07Cometic - C9885 - Primary Gasket & Seal Big Twin KitFeaturesGlobal Trade Item Number: 191070004842At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly improving to...$135.07 -
Cometic - C9887 - Primary Gasket & Seal Big Twin Kit
Cometic
$98.26Cometic - C9887 - 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
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.