Primary
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James Gaskets - Primary Cover Gasket Kit, Paper w/ Bead - fits '06-Up Dyna, '07-Up Softail
James Gaskets
$75.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '06-Up Dyna, '07-Up Softail$75.95 -
James Gaskets - Primary Cover Gasket Kit, Foamet w/ Bead - fits '06-Up Dyna, '07-Up Softail
James Gaskets
$101.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '06-Up Dyna, '07-Up Softail$101.95 -
Darkhorse Motor Company - Motorsprocket Torx Taperhead Screw
Darkhorse Motor Company
$16.50Darkhorse Motor Company - Motorsprocket Torx Taperhead Screw$16.50 -
Paughco - Inner Primary Covers - fits '36-'54/'55-'64 Big Twin Models
Drag Specialties
$239.95 - $251.95Paughco Inner Primary Covers fits '36-'54/'55-'64 Big Twin Models Looking to switch up your Hydra or Duo Glide? Paughco has developed these inner primary covers that can do just that for you. Being a well known, reputable company, you can trust that...$239.95 - $251.95 -
James Gaskets - Gasket Kit, Primary Cover - fits '05-'06 Touring Models
James Gaskets
$75.95The James Gaskets Gasket Kit,Primary: State of the art material Made in the USA Fitment: '05-'06 Touring Models$75.95 -
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 -
Barnett - Clear Derby Cover Black fits '99-'06 Big Twin Models
Barnett
$246.48Barnett - Clear Derby Cover Black fits '99-'06 Big Twin Models Feature a quarter inch thick, clear polycarbonate window to your clutch. The outer cover is CNC machinced from billet aluminum, chrome plated and then the scratch and discoloration...$246.48 -
Feuling Parts - 2035 - Compensator Spring - Replacement - M8/Twin Cam
Feuling
$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 -
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
$279.95Feuling - 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...$279.95 -
Barnett - Scorpion Derby Spacer Plate fits All '17 Touring Models
Barnett
$82.04Barnett - 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...$82.04 -
Feuling - Primary/Transmission Dress-Up Kit (Choose Fitment)
$249.95 - $279.95Feuling - 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...$249.95 - $279.95 -
Drag Specialties - Outer Primary Cover - fits '84-'85 FXST and '71-'84 FX/FXWG
Drag Specialties
$287.59 - $314.10Drag 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 - $314.10 -
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 -
V-Twin - 19-0933 - TYC 84 Link Primary Chain
York
$90.66V-Twin - 19-0933 - TYC 84 Link Primary ChainDescriptionThis 84-link chain has the "oval" side plates and a solid roller construction. This heavy duty chain features a one piece riveted endless construction. No master link!For use on 4 speed models with...$90.66 -
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 - Allen Type Primary Cover Screw Set fits '94-'03 Sportster Model
V-Twin Manufacturing
$31.14V-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$31.14 -
V-Twin - Manual Primary Chain Adjuster Kit fits '06-'17 Dyna, '07-'17 Softail & '09-'16 Touring Models (OEM #365000-20)
V-Twin Manufacturing
$151.77V-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...$151.77 -
Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models
$279.95Feuling - 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:...$279.95 -
Drag Specialties - Primary Drive Kit - fits '99-'06 Harley Big Twin
Drag Specialties
$926.95Drag Specialties Primary Drive Kit fits '99-'06 Harley Big Twin Drag Specialties is known for having quality products at reasonable prices. This primary drive kit is just that. This kit has got just about everything covered, it comes with the...$926.95 -
Joker Machine - Sportster Inspection Cover - Finned, Black Anodized - Fits '04-'16 XL
Joker Machine
$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.$43.95 -
On Sale
Arlen Ness - Titanium 12-Point Primary Cover Bolt Kit fits M8 Softail Models (Exc. FLFB/S & FXDR)
Arlen Ness
MSRP: $149.95Now: $134.96Was: $149.95Arlen Ness - Titanium 12-Point Primary Cover Bolt Kit fits M8 Softail Models (Exc. FLFB/S & FXDR) Features: 12-point bolts feature a spot drilled bolt head and lightning hole design on the bolt flange Kit includes all needed bolts for the...MSRP: $149.95Now: $134.96Was: $149.95 -
V-Twin - 43-0353 - Natural Inner Primary Housing Assembly
Motorshop
$561.94V-Twin - 43-0353 - Natural Inner Primary Housing AssemblyDescriptionNatural inner primary housing assembly for 4-speed models includes inner cover, bearing, seal, chain tensioner, detent plate, vent tube, chain oil tube and drain plug.Inner primary...$561.94 -
V-Twin - 43-0341 - Chrome Outer Primary Cover Kit
Motorshop
$290.04V-Twin - 43-0341 - Chrome Outer Primary Cover KitDescriptionDie cast stock replacement outer cover kit comes with chrome primary cover, chrome allen screws, and outer cover starter bearing. Derby, inspection and outer cover gaskets are included*Note: UPS...$290.04 -
V-Twin - 43-0232 - Chrome Outer Primary Cover
Motorshop
$253.89V-Twin - 43-0232 - Chrome Outer Primary CoverDescriptionChrome 5-speed outer primary cover.*NOTE: Must order a 1.000" outer diameter starter shaft bushing and screw kit separately. ...$253.89 -
V-Twin - 43-0137 - Polished Inner Primary Cover
V-Twin Manufacturing
$397.74V-Twin - 43-0137 - Polished Inner Primary CoverDescriptionOne of our most popular items is this polished inner primary cover with the hole for the mid shift control lever as OEM. It features a 9-hole pattern for the outer cover to bolt to. Includes the...$397.74 -
V-Twin - 42-9965 - Early Bird Style Derby Cover
V-Twin
$26.25V-Twin - 42-9965 - Early Bird Style Derby CoverDescriptionChrome outer primary derby cover features engraved early syle bird logo.Order gasket and screws separately. Fits:FL 1970-1984FXST 1984-1998FLT 1979-1998FX 1971-1984FXR 1985-1994FXD 1991-1998FLST...$26.25 -
V-Twin - 20-0621 - BDL Belt Drive Kit 8mm
Belt Drives Ltd.
$636.13V-Twin - 20-0621 - BDL Belt Drive Kit 8mm Description Kit includes a 3" belt, front and rear pulley, and a big fix bearing kit.For use on kick start models with an open primary. Can be used with stock type clutch or BDL competitor clutch. Fits: FX...$636.13 -
V-Twin - 20-0335 - 3-Hole Clutch Dome Chrome
York
$39.86V-Twin - 20-0335 - 3-Hole Clutch Dome ChromeDescriptionChrome 3-hole clutch dome gives a finished custom look to open belt drive units. Fits:Custom application with your open belt drive unitsAdditional Information UOM1 - EA ManufacturerYork ...$39.86 -
V-Twin - 18-3220 - Primary Chain Adjuster Shoe Kit
York
$56.51V-Twin - 18-3220 - Primary Chain Adjuster Shoe KitDescriptionKit includes primary chain adjuster shoe stud, spring, screw , shoe carrier, chain pad, and hardware. Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerYork OriginImported 2025...$56.51 -
V-Twin - 17-1498 - Belt Drive Super Nut with Seal
Motorshop
$22.33V-Twin - 17-1498 - Belt Drive Super Nut with SealDescriptionBelt drive super nut with built in seal for mainshaft surface. Fits:UL 1937-1948FLST 1986-1990FLT 1984-1990FXST 1984-1990FX 1971-1984EL 1936-1940FL 1941-1984FXR 1984-1990Additional Information ...$22.33 -
Drag Specialties - 21100038 - Outer Primary Bushing - '89-'93
Drag Specialties
$14.37Drag Specialties - 21100038 - Outer Primary Bushing - '89-'93FeaturesQuality replacement steel bushingsReplacement Part for OEM Number(s):3344689SpecsMaterialSteelRiding StyleStreetProduct NameBushingUnitsEachTypeStarter ShaftFitment1989-1993...$14.37 -
Darkhorse Motor Company - DH-MCCR-K - Replacement Cushion Kit - Man O-War - With Compression Tool
Darkhorse Motor Company
$114.95Darkhorse Motor Company - DH-MCCR-K - Replacement Cushion Kit - Man O-War - With Compression ToolFeaturesReplacement Cushion Kit supplies all 8 cushions to rebuild Man O-War motorsprocket cushions when neededMade in the USAIf you do not have the tool...$114.95 -
Cometic - C10198F1 - Primary Gasket
Cometic
$45.10Cometic - C10198F1 - Primary GasketFeaturesCometic'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...$45.10 -
Cometic - C9309F1 - Primary Gasket
Cometic
$45.10Cometic - C9309F1 - Primary GasketFeaturesCometic'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 of...$45.10 -
Cometic - C9179F1 - Primary Gasket
Cometic
$46.15Cometic - C9179F1 - Primary GasketFeaturesCometic'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 of...$46.15 -
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-'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...$627.95 -
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-'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...$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.