Primary
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Colony - 9307-17 Primary Cover Chrome Screw Kit fits '71-'84 FX, '70-'84 FL Models
Colony Machine
MSRP: $27.95$26.12Colony - 9307-17 Primary Cover Chrome Screw Kit fits '71-'84 FX, '70-'84 FL Models Primary cover screw kit with a chrome finish. Fitment: FX 1971-1984 FL 1970-1984 4-speedMSRP: $27.95$26.12 -
Colony - 9308-17 Cadmium Primary Cover Screw Kit fits '71-'84 FX, '70-'80 FL Models - 4-Speed
Colony Machine
MSRP: $21.96$20.53Colony - 9308-17 Cadmium Primary Cover Screw Kit fits '71-'84 FX, '70-'80 FL Models - 4-Speed Primary cover screw kit with a cadmium finish. Fitment: FL 1970-1980 4-speed FX 1971-1984MSRP: $21.96$20.53 -
Colony - 9601-10 Parkerized Inner Primary Cover and Oil Tank Mount Kit fits '37-'48 UL, '36-'40 EL, '41-'64 FL Models (OEM #60642-36)
Colony Machine
MSRP: $23.88$20.29Colony - 9601-10 Parkerized Inner Primary Cover and Oil Tank Mount Kit fits '37-'48 UL, '36-'40 EL, '41-'64 FL Models (OEM #60642-36) Parkerized mount kit includes 2 hex screws, springs, cotter pins...MSRP: $23.88$20.29 -
Colony - 9724-30 Primary Cover Screw Kit fits '37-'48 UL, '36-'40 EL, '41-'64 FL Models
Colony Machine
MSRP: $33.62$31.43Colony - 9724-30 Primary Cover Screw Kit fits '37-'48 UL, '36-'40 EL, '41-'64 FL Models Primary cover screw with parkerized finish and cadmium plated derby cover screws with washers included...MSRP: $33.62$31.43 -
Colony - 9753-9 Allen Type Primary Cover Screw Kit fits '57-'69 XLCH Model
Colony Machine
MSRP: $19.26$17.33Colony - 9753-9 Allen Type Primary Cover Screw Kit fits '57-'69 XLCH Model Allen type primary cover allen screw kit with stamp. Fitment: XLCH 1957-1969MSRP: $19.26$17.33 -
Colony - 9769-17 Allen Type Primary Cover Screw Kit fits '94-'03 Sportster Models
Colony Machine
MSRP: $31.93$29.85Colony - 9769-17 Allen Type Primary Cover Screw Kit fits '94-'03 Sportster Models Primary cover allen type screw kit. Fitment: XL 1994-2003MSRP: $31.93$29.85 -
V-Twin - Chrome Primary Cover Kit fits '58-'64 FL Model
V-Twin Mfg
$416.37V-Twin - Chrome Primary Cover Kit fits '58-'64 FL Model Chrome primary cover kit. Includes inner and outer covers, gaskets, cadmium screws, and derby and inspection covers. Fitment: FL 1958-1964$416.37 -
Colony - 9851-5 Cadmium Primary Cover Screw Kit fits '57-'66 Sportster Models
Colony Machine
MSRP: $24.02$22.45Colony - 9851-5 Cadmium Primary Cover Screw Kit fits '57-'66 Sportster Models Primary cover screw kit with a cadmium finish. Fitment: XLH 1957-1966 XL 1957-1966MSRP: $24.02$22.45 -
Colony - 9852-5 Chrome Primary Cover Screw Kit fits '52-'56 K Model
Colony Machine
MSRP: $29.85$27.91Colony - 9852-5 Chrome Primary Cover Screw Kit fits '52-'56 K Model Chrome primary cover screw kit. Fitment: K 1952-1956MSRP: $29.85$27.91 -
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...$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...$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...$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...$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...$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...$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...$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...$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...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 ...$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...$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 ...$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 - 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...$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...$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...$371.54 -
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...MSRP: $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.$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
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.