Primary
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Colony - 9853-5 Cadmium Primary Cover Screw Kit fits '52-'56 K Model
Colony Machine
MSRP: $27.80$25.99Colony - 9853-5 Cadmium Primary Cover Screw Kit fits '52-'56 K Model Primary cover screw kit with a cadmium finish. Fitment: K 1952-1956MSRP: $27.80$25.99 -
V-Twin - Gloss Black Outer Primary Cover fits '55-'64 FL Model
V-Twin Mfg
$169.51V-Twin - Gloss Black Outer Primary Cover fits '55-'64 FL Model Gloss black steel outer primary has a deeper front cup to accept the compensator sprocket assembly or a tapered sprocket Fitment: FL 1955-1964$169.51 -
V-Twin - Black Outer Primary Cover fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models
V-Twin Mfg
$191.29V-Twin - Black Outer Primary Cover fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models Black steel outer primary cover is early type and shallow in sprocket area Fitment: UL 1937-1948 FL 1941-1954 EL 1936-1940$191.29 -
V-Twin - Chrome Inner Primary Cover '41-'52 WL, '41-'63 G Models (OEM #60621-41)
V-Twin Mfg
$82.38V-Twin - Chrome Inner Primary Cover '41-'52 WL, '41-'63 G Models (OEM #60621-41) 45 inner primary cover must be cutout for use on electric start models 1964-1973 Fitment: WL 1941-1952 G 1941-1963$82.38 -
V-Twin - Chrome 45" Outer Primary Cover '37-'63 G, '37-'52 WL Models (OEM #60504-32)
V-Twin Mfg
$227.43V-Twin - Chrome 45" Outer Primary Cover '37-'63 G, '37-'52 WL Models (OEM #60504-32) 45" chrome outer primary cover has accessible clutch area and may be cutout for electric start. Fitment: G 1937-1963 WL 1937-1952$227.43 -
V-Twin - Chrome Outer Primary Cover fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models
V-Twin Mfg
$248.40V-Twin - Chrome Outer Primary Cover fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models Chrome steel early type outer primary cover which is shallow in the sprocket area. This cover will accept a tapered front sprocket only for a type that has a key way...$248.40 -
V-Twin - Chrome Outer Primary Cover fits '55-'64 FL Model
V-Twin Mfg
$271.11V-Twin - Chrome Outer Primary Cover fits '55-'64 FL Model Chrome steel outer primary cover which has a deeper front cup to accept the compensator sprocket assembly or a tapered sprocket Fitment: FL 1955-1964$271.11 -
V-Twin - Chrome Alternator Inner Primary Cover Steel fits Custom Application with Kick Starter
V-Twin Mfg
$222.97V-Twin - Chrome Alternator Inner Primary Cover Steel fits Custom Application with Kick Starter Steel alternator type inner primary cover allows use of 1955-1964 type compensator outer covers on alternator and features a chrome finish. Note: Not for use...$222.97 -
V-Twin - Inner Primary Cover Reinforcement Ring fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models
V-Twin Mfg
$30.20V-Twin - Inner Primary Cover Reinforcement Ring fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models Reinforcement ring fits inner primary cover at engine crank shaft Fitment: UL 1937-1948 FL 1941-1954 EL 1936-1940$30.20 -
V-Twin - Black Inner Primary Cover fits '55-'64 FL Model (OEM #60620-55)
V-Twin Mfg
$171.18V-Twin - Black Inner Primary Cover fits '55-'64 FL Model (OEM #60620-55) Black steel inner primary cover has a large hole for splined sprocket shaft. Order reinforcement ring separately. Fitment: FL 1955-1964 Measurements: Body Width: 1.3" Tech...$171.18 -
Paughco - Chrome Inner Primary Cover fits '37-'48 UL, '36-'40 EL, '46-'54 FL Models
Paughco
MSRP: $267.07$252.38Paughco - Chrome Inner Primary Cover fits '37-'48 UL, '36-'40 EL, '46-'54 FL Models Chrome steel inner primary cover has a small hole at engine end. Fitment: UL 1937-1948 EL 1936-1940 FL 1946-1954 Measurements: Body Width: 1.3" Tech...MSRP: $267.07$252.38 -
V-Twin - Chrome Inner Primary Cover fits '55-'64 FL Model (OEM #60620-55)
V-Twin Mfg
$202.80V-Twin - Chrome Inner Primary Cover fits '55-'64 FL Model (OEM #60620-55) Chrome steel inner primary cover has a large hole for splined sprocket shaft. Note: Slotted hole for chain guard mount Fitment: FL 1955-1964 Measurements: Body Width: 1.3" ...$202.80 -
V-Twin - Chrome Inner Primary Cover fits '37-'48 UL, '36-'40 EL, '36-'54 FL Models
V-Twin Mfg
$173.64V-Twin - Chrome Inner Primary Cover fits '37-'48 UL, '36-'40 EL, '36-'54 FL Models Chrome inner primary cover with drain fitting installed. Primary cover comes without oil guard. Oil drain fitting must be removed or relocated as necessary. Fitment: ...$173.64 -
V-Twin - Chrome Replica Inner Primary Cover fits '55-'57 FL Model
V-Twin Mfg
$130.79V-Twin - Chrome Replica Inner Primary Cover fits '55-'57 FL Model Replica chrome inner primary cover with drain fitting installed. Primary cover comes without oil guard. Fitment: FL 1955-1957 Measurements: Body Width: 1.3" Tech Note: Suggested...$130.79 -
Colony - 9868-26 Inner Primary Mount Kit fits '70-'79 FL, '71-'79 FX Models
Colony Machine
MSRP: $44.55$42.02Colony - 9868-26 Inner Primary Mount Kit fits '70-'79 FL, '71-'79 FX Models Inner primary mount kit for FL and FX models Fitment: FL 1970-1979 FX 1971-1979MSRP: $44.55$42.02 -
Colony - 9869-24 Inner Primary Mount Kit fits '80-'84 FL/FX Models
Colony Machine
$46.88Colony - 9869-24 Inner Primary Mount Kit fits '80-'84 FL/FX Models Inner primary mount kit for FL and FX models Fitment: FL 1980-1984 FX 1980-1984$46.88 -
Colony - 9870-16 Inner Primary Mount Kit fits '91-'93 FXD, '86-'93 FXST/FLST Models
Colony Machine
$32.19Colony - 9870-16 Inner Primary Mount Kit fits '91-'93 FXD, '86-'93 FXST/FLST Models Inner primary mount kit contains all stock type hardware for mounting aluminum inner chain housing. Fitment: FXST 1986-1993 FXD 1991-1993 FLST 1986-1993$32.19 -
Colony - 9873-16 Inner Primary Mount Kit fits '94-'99 FXST/FXD/FLST Models
Colony Machine
$32.19Colony - 9873-16 Inner Primary Mount Kit fits '94-'99 FXST/FXD/FLST Models Inner primary mount kit contains all stock type hardware for mounting aluminum inner chain housing. Fitment: FXST 1994-1999 FXD 1994-1999 FLST 1994-1999$32.19 -
Motorshop - Chrome Narrow Profile Outer Primary Cover fits '07-'16 FLT Model (OEM #257003-85)
Motorshop
$371.54Motorshop - Chrome Narrow Profile Outer Primary Cover fits '07-'16 FLT Model (OEM #257003-85) This narrow profile primary cover is 1" narrower than the stock outer primary that will allow easier reach to the ground and is shaped to slim the bike profile...$371.54 -
Jims - 16-2320 M8 Primary Locking Tool fits '18-Up FLST/FXST Models
Jims
$61.46Jims - 16-2320 M8 Primary Locking Tool fits '18-Up FLST/FXST Models Jims primary locking tool is used to lock the primary for service work on M8 models. Fitment: FLST 2018-UP FXST 2018-UP$61.46 -
Colony - 7811-14 Inner Primary Mounting Kit fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models
MSRP: $38.36$34.18Colony - 7811-14 Inner Primary Mounting Kit fits '37-'48 UL, '41-'54 FL, '36-'40 EL Models Inner primary mount kit contains all hardware necessary to mount tin inner primary to engine. Fitment: UL 1937-1948 FL 1941-1954 EL 1936-1940MSRP: $38.36$34.18 -
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. Replacement Part for...$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. Replacement Part for...$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.A...$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.A. Replacement Part for...$47.95 -
Colony - Primary Aluminum Acorn Hardware Kit fits '71-'86 Big Twin Models
Colony Machine
$47.95Colony - Primary Aluminum Acorn Hardware Kit fits '71-'86 Big Twin Models Features: Individual acorn bolt and nut sets for specific applications Made in the U.S.A. Fitment 1984-1985 Harley-Davidson Softail Standard...$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. Replacement Part for...$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. Fitment 2006 Harley-Davidson Softail Heritage EFI...$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 1949-1954 Harley-Davidson Hydra Glide FL - - 1949-1954 Harley-Davidson Hydra Glide...$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 Fitment 1949-1954 Harley-Davidson Hydra Glide...$317.95 -
Drag Specialties - XL Primary Cover fits '04-'05 Sportster Models (Repl. OEM #25460-04) - Chrome
Drag Specialties
MSRP: $367.66$356.95Drag Specialties - XL Primary Cover fits '04-'05 Sportster Models (Repl. OEM #25460-04) - Chrome This cover features die-cast aluminum construction. Gaskets not included. Fitment 2005 Harley-Davidson 883 Low...MSRP: $367.66$356.95 -
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-Davidson 883 Low XLL 2005 Harley-Davidson 883 Roadster...MSRP: $312.04$302.95 -
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 available in three different finishes: Chrome, Contrast...$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 gasket features silicone beading Made in the U.S.A...$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 glimpse of the machine's inner workings! All Derby...$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 Softail Models and is a replacement for OEM #60782-06,...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 a chrome or satin black finish. Features Die-cast...$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. Gaskets not included...$353.95
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.