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Colony - 7812-12 Inner Primary Mount Kit fits '55-'64 FL Model
MSRP: $38.62$34.40Colony - 7812-12 Inner Primary Mount Kit fits '55-'64 FL Model Inner primary mount kit Fitment: FL 1955-1964MSRP: $38.62$34.40 -
Colony - Inner Primary Mount Kit fits '94-'99 FXST/FLST Models (OEM #2818, 33318-85, 4086)
Colony Machine
$29.95Colony - Inner Primary Mount Kit fits '94-'99 FXST/FLST Models (OEM #2818, 33318-85, 4086) Features: Kits include all required hardware needed to install an inner primary Made in the U.S.A.$29.95 -
Colony - Inner Primary Mount Kit fits '86-'93 FXST/FLST Models (OEM #2818, 2871W, 33318-35)
Colony Machine
$29.95Colony - Inner Primary Mount Kit fits '86-'93 FXST/FLST Models (OEM #2818, 2871W, 33318-35) Features: Kits include all required hardware needed to install an inner primary Made in the U.S.A...$29.95 -
Colony - Inner Primary Mount Kit fits '86-'98 FLT Model (OEM #2818, 2871W, 33318-35)
Colony Machine
$29.95Colony - Inner Primary Mount Kit fits '86-'98 FLT Model (OEM #2818, 2871W, 33318-35) Features: Kits include all required hardware needed to install an inner primary Made in the U.S.A.$29.95 -
Colony - Inner Primary Mount Kit fits '80-'85 Big Twin 4-Speed Models (OEM #16830-54, 4021, 4722)
Colony Machine
$40.95Colony - Inner Primary Mount Kit fits '80-'85 Big Twin 4-Speed Models (OEM #16830-54, 4021, 4722) Features: Kits include all required hardware needed to install an inner primary Made in the U.S...$40.95 -
Colony - Inner Primary Mount Kit fits '70-'79 Big Twin 4-Speed Models (OEM #16830-54, 4017, 4021)
Colony Machine
$47.95Colony - Inner Primary Mount Kit fits '70-'79 Big Twin 4-Speed Models (OEM #16830-54, 4017, 4021) Features: Kits include all required hardware needed to install an inner primary Made in the U.S...$47.95 -
Colony - 7811-14 Inner Primary Mounting Kit fits '36-'54 Big Twin Models (OEM #60544-36, 60640-29)
Colony Machine
$32.95Colony - 7811-14 Inner Primary Mounting Kit fits '36-'54 Big Twin Models (OEM #60544-36, 60640-29) Features: Attach OE style 3-hole inner primary covers to specific models Made in the U.S.A$32.95 -
Colony - Acorn Front Belt Drive Pulley Nut fits '99-'06 Twin Cam Models
Colony Machine
$14.95Colony - Acorn Front Belt Drive Pulley Nut fits '99-'06 Twin Cam Models Features: Chrome front pulley nut for open primary belt drive applications Made in the U.S.A. <$14.95 -
Paughco - Outer Primary Cover fits '36-'54/'55-'64 Big Twin Models - Chrome
Paughco
$314.95Paughco - Outer Primary Cover fits '36-'54/'55-'64 Big Twin Models - Chrome Features: Made in the U.S.A. Fitment$314.95 -
Paughco - 4-Speed Outer Primary Cover W/O Compensating Sprockets fits '36-'54 Big Twin Models (OEM #60505-36)
Paughco
$317.95Paughco - 4-Speed Outer Primary Cover W/O Compensating Sprockets fits '36-'54 Big Twin Models (OEM #60505-36) Features: Made in the U.S.A. Puaghco Mfg Part Number B750$317.95 -
Drag Specialties - XL Primary Cover fits '04-'05 Sportster Models - Satin Black
Drag Specialties
MSRP: $312.04$302.95Drag Specialties - XL Primary Cover fits '04-'05 Sportster Models - Satin Black This cover features die-cast aluminum construction. Gaskets not included. Fitment 2005 Harley-DavidsonMSRP: $312.04$302.95 -
Drag Specialties - XL Primary Cover fits '06-'22 Sportster Models (Exc. '21-'22 Sportster S/RH1250S & '22 Nightster RH975 Models) - Chrome (Repl. OEM #25460-06)
Drag Specialties
MSRP: $412.98$400.95Drag Specialties - XL Primary Cover fits '06-'22 Sportster Models (Exc. '21-'22 Sportster S/RH1250S & '22 Nightster RH975 Models) - Chrome (Repl. OEM #25460-06) This cover features die-cast aluminum...MSRP: $412.98$400.95 -
Performance Machine - Scallop Derby Cover fits '18-'20 Softail Models W/ Narrow Profile Primary Cover
Performance Machine
$191.95Performance Machine - Scallop Derby Cover fits '18-'20 Softail Models W/ Narrow Profile Primary Cover The Performance Machine Scallop Derby Cover features a machined Performance Machine logo and is...$191.95 -
James Gaskets - Primary Gasket, Seal & O-Ring Kit fits '17-'23 Touring Models
James Gaskets
$59.95James Gaskets - Primary Gasket, Seal & O-Ring Kit fits '17-'23 Touring Models This kit features top-quality gaskets, seals and O-rings that meet or exceed OEM specifications. Features Primary...$59.95 -
Performance Machine - Derby Covers fits '16-'21 Dressers, HD FL Trike & '15 FLHTCUL/FLHTKL Models
Performance Machine
$359.95Performance Machine - Derby Covers fits '16-'21 Dressers, HD FL Trike & '15 FLHTCUL/FLHTKL Models Performance Machine's Vision Derby Covers feature a special polycarbonate lens that give you a...$359.95 -
Drag Specialties - Chrome Outer Primary Covers fits Dyna/Softail Models (See Desc.)
Drag Specialties
MSRP: $520.10$504.95Drag Specialties - Chrome Outer Primary Covers fits '06-'17 Dyna/Softail Models The Drag Specialties Chrome Outer Primary Cover is available in two different fitments. Part #1107-0324 fits '07-'17...MSRP: $520.10$504.95 -
Drag Specialties - Aluminum Outer Primary Covers fits '07-'16 Touring Models
Drag Specialties
$449.95 - $458.95Drag Specialties - Aluminum Outer Primary Covers fits '07-'16 Touring Models The Drag Specialties Aluminum Outer Primary Cover is a replacement for OEM #60553-07A. It is available in your choice of...$449.95 - $458.95 -
James Gaskets - Inspection-Clutch Derby Cover Gasket Kit - fits '85-'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: '85-'98 Big Twin Models$28.95 -
Drag Specialties - XL Primary Cover fits '06-'22 Sportster Models (Exc. '21-'22 Sportster S/RH1250S & '22 Nightster RH975 Models) - Satin Black
Drag Specialties
$353.95Drag Specialties - XL Primary Cover fits '06-'22 Sportster Models (Exc. '21-'22 Sportster S/RH1250S & '22 Nightster RH975 Models) - Satin Black This cover features die-cast aluminum construction...$353.95 -
Out of stock
Thrashin Supply Harley Twin Cam Derby Covers, Dished
Thrashin Supply
$139.95Thrashin Supply Co. Dished Derby Cover for Harley Twin Cam Models The Thrashin Supply Co. Dished Derby Cover is constructed from tough billet aluminum. Not only does this look super clean and sleek...$139.95 -
Out of stock
Drag Specialties - Primary Chain Inspection Covers - fits '00-'06 FXST/FLST, '99-'05 FXDWG
Drag Specialties
$20.95 - $22.95Drag Specialties Primary Chain Inspection Covers Features: Machined from steel Available with a chrome, black wrinkle or flat black finish Sold each Fitment: (Repl. OEM 60572-78) Fitment$20.95 - $22.95 -
Out of stock
Baker - High Torque Bearing/Seal Kit fits '99-'06 Harley Twin Cam
Baker Drivetrain
$66.00Baker - High Torque Bearing/Seal Kit fits '99-'06 Harley Twin Cam If your Harley has got some serious horsepower then this is just what you need. The Baker High Torque Bearing/Seal Kit is made to...$66.00 -
Out of stock
Drag Specialties - XL Primary Covers - fits '94-'03 XL
Drag Specialties
$357.95 - $365.95Drag Specialties XL Primary Covers for '94-'03 Sportsters These Primary Covers by Drag are a great stock replacement option for your Sportster. They are available in Chrome or Black Satin finish...$357.95 - $365.95 -
Out of stock
Baker - Armored Attitude Chain Adjuster fits '06-'17 Dyna, '07-'17 Softail and '07-'23 Touring Models
Baker Drivetrain
$299.00Baker - Armored Attitude Chain Adjuster fits '06-'17 Dyna, '07-'17 Softail and '07-'23 Touring Models Features 28% finer teeth spacing (compared to '01-'06 chain adjuster) for more accurate...$299.00 -
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...$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...$44.15 -
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...$129.95 -
Out of stock
Jims - 5534 Compensator Bolt Driver Torx Socket fits '14-'21 Big Twin Models
Jims
MSRP: $20.95$20.85Jims - 5534 Compensator Bolt Driver Torx Socket fits '14-'21 Big Twin Models Features: Correct-style driver/socket for the compensating sprocket retaining fastenerMSRP: $20.95$20.85 -
Out of stock
Drag Specialties - Outer Primary Cover - fits '84-'85 FXST and '71-'84 FX/FXWG
Drag Specialties
$287.59 - $304.95Drag 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...$287.59 - $304.95 -
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...$169.95 -
Out of stock
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...$45.10 -
Out of stock
Baker Drivetrain - 83936-BD - Compensator Spring - Heavy-Duty - Harley-Davidson
Baker Drivetrain
$69.95Baker Drivetrain - 83936-BD - Compensator Spring - Heavy-Duty - Harley-Davidson Features Precision-engineered to control excess compensator free play and resulting shudder during...$69.95 -
Out of stock
V-Twin - 43-0258 - Chrome Inner Primary Cover Assembly
Motorshop
$465.87V-Twin - 43-0258 - Chrome Inner Primary Cover AssemblyDescriptionChrome inner primary cover includes bearing, bushing, and seal.The jack shaft hole outer diameter with bushing measures 1.488" large...$465.87 -
Out of stock
V-Twin - 20-0903 - BDL 8mm Belt Drive Front Pulley
Belt Drives Ltd.
$291.85V-Twin - 20-0903 - BDL 8mm Belt Drive Front Pulley Description BDL 8mm belt drive 45 tooth front pulley for chain drive. Fits: Replacement application for BDL electric start belt...$291.85 -
Out of stock
V-Twin - 20-0614 - BDL Belt Drive Kit 8mm
Belt Drives Ltd.
$566.10V-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...$566.10 -
Out of stock
V-Twin - 20-0012 - Brute III Belt Drive without Idler 11mm
Rivera-Primo Products
MSRP: $1,199.32$1,148.47V-Twin - 20-0012 - Brute III Belt Drive without Idler 11mmDescriptionIncludes 34 tooth front and 49 tooth rear pulleys, 1-3/4" Kevlar belt, clutch pack and pressure plate assembly with hardware.Brute...MSRP: $1,199.32$1,148.47 -
Out of stock
V-Twin - 12-2113 - Mount Stud Set for Inner Primary Cover - Fits 1980-1984 Harley-Davidson FL, FX
V-Twin Mfg
$23.94Inner primary mount stud set includes 4 threaded studs. Fits: FL 1980-1984 FX 1980-1984 Additional Information OEM No. 16830-54$23.94 -
Out of stock
Drag Specialties - DS190391S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '71-'76 Sportster
Drag Specialties
$31.27Drag Specialties - DS190391S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '71-'76 SportsterFeaturesReplacement hardware for primary cover onlyMade in the USASpecs$31.27 -
Out of stock
Drag Specialties - 11200404 - Compensator Kit
Drag Specialties
$436.67Drag Specialties - 11200404 - Compensator KitFeaturesDesigned to handle high torque and horsepower in high-performance engine applicationsIncreased travel helps protect the motor and drivetrain from...$436.67
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.