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Colony - 1-1/4" Sprocket/Belt Pulley Mounting Hardware Kit with Nuts fits '73-'92 FL, FX & XL Models (OEM #41197-73)
Colony Machine
$25.95Colony - 1-1/4" Sprocket/Belt Pulley Mounting Hardware Kit with Nuts fits '73-'92 FL, FX & XL Models (OEM #41197-73) Features: Brake rotor, sprocket and belt mounting kits Available to fit virtually all H-D brakes, chain and belt...$25.95 -
Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '17-'22 Touring Models
Feuling
$269.95Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '17-'22 Touring Models This kit comes with a primary cover, a derby cover, top transmission cover right transmission bearing housing, a clutch release cover, sensors and...$269.95 -
Barnett - Scorpion Derby Spacer Plate fits All '17 Touring Models
Barnett
$78.13Barnett - Scorpion Derby Spacer Plate fits All '17 Touring Models NOTE: THIS PART IS REQUIRED FOR USE WITH PART NO. 1130-0210. PLEASE SEE 'ALSO BOUGHT' FOR DETAILS. This spacer plate is needed in order to install a Scorpion Lock-up clutch on '15...$78.13 -
Feuling - Primary/Transmission Dress-Up Kit (Choose Fitment)
Feuling
$239.95 - $269.95Feuling - Primary/Transmission Dress-Up Kit This Primary/Transmission Dress-Up Kit is compatible with Twin Cam engines and features a "SHOW" polish corrosion-resistant finish. Features Quality 12-point heat-treated 8740 chrome moly steel bolts...$239.95 - $269.95 -
Drag Specialties - Outer Primary Cover - fits '84-'85 FXST and '71-'84 FX/FXWG
Drag Specialties
$287.59 - $311.05Drag Specialties Outer Primary Cover fits '84-'85 FXST and '71-'84 FX/FXWG 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...$287.59 - $311.05 -
Alloy Art - FXD/FXR Shifter Shaft Primary Plug
Alloy Art
$35.95The Alloy Art Shifter Shaft Primary Plug: Used when adding forward controls to FXD, FXR models and eliminating the mid shifter shaft Plugs holes in inner primary cover for a finished look Anodized billet aluminum, complete with O-rings, bolt and...$35.95 -
James Gaskets - Gasket-Seal Kit, Primary Cover - fits '94-'04 FLT, FXR
James Gaskets
$98.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '94-'04 FLT, FXR$98.95 -
Colony - Primary Cover Filler Cap - fits '71-'85 XL
Colony Machine
$25.95Colony Primary Cover Filler Cap fits '71-'85 XL The Colony primary cover filler cap has a classic, natural aluminum finish. Swap out the OEM cap on your motorcycle with a Colony one knowing you're using a part from a company known for quality...$25.95 -
James Gaskets - Gasket Kit, Primary Cover - fits '07-Up Touring Models
James Gaskets
$75.95The James Gaskets Gasket Kit,Primary: State of the art material Foam covered metal w/ bead Made in the USA Fitment: '07-Up Touring Models$75.95 -
Feuling Parts - 2035 - Compensator Spring - Replacement - M8/Twin Cam
FEULING PARTS
$59.95Feuling Parts - 2035 - Compensator Spring - Replacement - M8/Twin Cam Features Thicker, stronger, and an increased bevel over stock Features a steeper bevel that provides more preload and pressure on the spring pack and compensator Helps diminish...$59.95 -
Jims - 5534 Compensator Bolt Driver Torx Socket fits '14-'21 Big Twin Models
Jims
$20.95Jims - 5534 Compensator Bolt Driver Torx Socket fits '14-'21 Big Twin Models Features: Correct-style driver/socket for the compensating sprocket retaining fastener Made in the USA For use with Jim's part# 10500031 compensator bolt...$20.95 -
V-Twin - Manual Primary Chain Adjuster Kit fits '06-'17 Dyna, '07-'17 Softail & '09-'16 Touring Models (OEM #365000-20)
V-Twin Manufacturing
$122.94V-Twin - Manual Primary Chain Adjuster Kit fits '06-'17 Dyna, '07-'17 Softail & '09-'16 Touring Models (OEM #365000-20) Features: This kit allows precise adjustment of the primary chain and creates less drag and loss of power resulting from the...$122.94 -
Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models
Feuling
$269.95Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models The 12-Point Primary/Transmission Engine Fastener Kit allows you to secure your engine with complete confidence. The kit comes with all of the following hardware:...$269.95 -
On Sale
Joker Machine - Sportster Inspection Cover - Finned, Black Anodized - Fits '04-'16 XL
Joker Machine
MSRP: $43.95Now: $39.56Was: $43.95Customize 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.MSRP: $43.95Now: $39.56Was: $43.95 -
Belt Drives Ltd. - 61-41SK-4 - 8mm/1.5" Primary Belt Drive - Kick Start - '79-'84
Belt Drives Ltd.
$627.95Belt Drives Ltd. - 61-41SK-4 - 8mm/1.5" Primary Belt Drive - Kick Start - '79-'84FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$627.95 -
James Gasket - Foamet® Primary Cover Gasket fits '04-'22 Sportster Models (Except RH Sportster (OEM #34955-04))
JAMES GASKET
$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 '67-'76 Sportster Models (OEM #34955-67, 34955-67A)
JAMES GASKET
$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 -
Belt Drives Ltd. - 1-5/8" 4-Speed Belt Drive fits '79-'E84 Big Twin Models
Belt Drives Ltd
$1,116.95Belt 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...$1,116.95 -
V-Twin - Allen Type Primary Cover Screw Set fits '94-'03 Sportster Model
V-Twin Manufacturing
$25.27V-Twin - Allen Type Primary Cover Screw Set fits '94-'03 Sportster Model Chrome allen type knurled screw and washer set for primary cover. Includes 17 screws and 15 washers. Fitment: XL 1994-2003$25.27 -
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
$77.95Jims - 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...$77.95 -
Drag Specialties - Aluminum Outer Primary Covers fits '99-'06 Touring Models
Drag Specialties
$376.33 - $421.21Drag 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...$376.33 - $421.21 -
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
$287.59Drag 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...$287.59 -
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 -
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. - 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 -
Diamond - DMD-428-2RV-82NRI - Primary Chain - #428-2-82 - 4-Speed
Diamond
$194.95Diamond - 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,4000736BSpecsProduct NamePrimary ChainRiding StyleStreetNumber of...$194.95 -
Diamond - DMD-C35-3R94NRI - Primary Chain - #35-3-94
Diamond
$162.95Diamond - DMD-C35-3R94NRI - Primary Chain - #35-3-94FeaturesEndless link Diamond primary chainMade in the U.S.A.Replacement Part for OEM Number(s): 4000557A,4000557BSpecsRiding StyleStreetNumber of Links94Product NamePrimary...$162.95 -
Diamond - DMD-4282RV86NRI - Primary Chain - 428-2 x 86
Diamond
$203.95Diamond - 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 Riding Style Street Model Diamond Product Name Primary...$203.95 -
Cometic - C9339 - Primary to Transmission Gasket - .031"
Cometic
$11.50Cometic - C9339 - Primary to Transmission Gasket - .031" Features Primary to Transmission Gasket Replacement Part for OEM Number(s): 3490279A Specs Thickness Metric 0.79 mm Type Chain Cover Thickness 0,79 mm...$11.50 -
Belt Drives Ltd. - 76-47-2S - 8mm/2" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84
Belt Drives Ltd.
$651.95Belt Drives Ltd. - 76-47-2S - 8mm/2" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and...$651.95 -
Belt Drives Ltd. - 76-47-3S - 8mm/3" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84
Belt Drives Ltd.
$691.95Belt Drives Ltd. - 76-47-3S - 8mm/3" Primary Belt Drive - Kick Start - Spline Shaft - '55-'84FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washer3" kit comes with a 52-piece roller bearing kitPulley and clutch basket are hard...$691.95 -
Belt Drives Ltd. - 62-40SK-3 - 8mm/1.5" Primary Belt Drive - Kick Start - '65-'78
Belt Drives Ltd.
$627.95Belt Drives Ltd. - 62-40SK-3 - 8mm/1.5" Primary Belt Drive - Kick Start - '65-'78FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$627.95 -
Belt Drives Ltd. - 62-39SK-2 - 8mm/1.5" Primary Belt Drive - Kick Start - '55-'64
Belt Drives Ltd.
$627.95Belt Drives Ltd. - 62-39SK-2 - 8mm/1.5" Primary Belt Drive - Kick Start - '55-'64FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$627.95 -
Belt Drives Ltd. - 62-39TK-1 - 8mm/1.5" Primary Belt Drive - Kick Start - '36-'54
Belt Drives Ltd.
$627.95Belt Drives Ltd. - 62-39TK-1 - 8mm/1.5" Primary Belt Drive - Kick Start - '36-'54FeaturesAll 8mm kits come with belt, clutch basket, front pulley, nut and washerPulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for...$627.95
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.