Primary
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V-Twin - 16-0434 - 45 inch W & G Clutch Hub Lock Tool - Fits 1941-1973 Harley-Davidson G, 1941-1952 W
V-Twin Mfg
$39.0945" W & G clutch hub lock tool locks the drum and hub together for installation or removal. Fits:G 1941-1973W 1941-1952Additional Information UOM$39.09 -
V-Twin - 13-9238 - Compensator Sprocket Spring
Eastern Motorcycle Parts
MSRP: $28.04$26.21V-Twin - 13-9238 - Compensator Sprocket SpringDescriptionCompensator sprocket spring. Fits:XL 1957-1976FL 1955-1969Additional InformationMSRP: $28.04$26.21 -
V-Twin - 13-9164 - Primary Chain Adjuster Spring
Eastern Motorcycle Parts
MSRP: $25.33$23.68V-Twin - 13-9164 - Primary Chain Adjuster SpringDescriptionPrimary adjuster shoe spring, 1986-1990 XL Fits:XL 1986-1990Additional InformationMSRP: $25.33$23.68 -
V-Twin - 13-9163 - Primary Chain Adjuster Spring
Eastern Motorcycle Parts
MSRP: $30.80$28.79V-Twin - 13-9163 - Primary Chain Adjuster SpringDescriptionPrimary Adjuster Shoe Spring, 1977-1985 Fits:XL 1977-1985Additional InformationMSRP: $30.80$28.79 -
V-Twin - 12-9935 - Sealed Ball Bearing For Inner Primary
WD Bearing
$46.08V-Twin - 12-9935 - Sealed Ball Bearing For Inner Primary Description This 25mm double sealed ball bearing supports the transmission mainshaft at the inner primary area. Fits: FXD...$46.08 -
V-Twin - 12-2121 - Primary Chain Adjuster Shoe Pivot Stud
Motorshop
$13.86V-Twin - 12-2121 - Primary Chain Adjuster Shoe Pivot Stud Description Pivot stud for primary chain adjuster shoe. Fits: XL 1986-1990 Additional Information$13.86 -
V-Twin - 12-1528 - Primary Breather Tube Snoot - Fits 1937-1948 Harley-Davidson UL, 1936-1940 EL (overhead valve), 1941-1947 FL
V-Twin Mfg
$24.24Breather Tube Snoot, 1936-1957 Big Twin Fits:UL 1937-1948EL 1936-1940 overhead valveFL 1941-1947Additional Information OEM No.24918-64<$24.24 -
V-Twin - 12-1519 - Primary Baffle Plate - Fits 1965-1984 Harley-Davidson FL, 1971-1984 FX
V-Twin Mfg
$20.50Primary baffle plate helps keep oil out of clutch pack. Fits:FL 1965-1984FX 1971-1984Additional Information OEM No.60556-74$20.50 -
V-Twin - 12-1514 - Primary Breather Tube
Motorshop
$36.59V-Twin - 12-1514 - Primary Breather TubeDescriptionPrimary Breather Tube, 1948-1957 Big Twin Fits:FL 1948-1957Additional Information$36.59 -
V-Twin - 12-1448 - Replica Primary Breather Tube
Motorshop
$50.16V-Twin - 12-1448 - Replica Primary Breather TubeDescriptionReplica primary cover breather tube. Fits:UL 1937-1948EL 1936-1940FL 1941-1947Additional Information$50.16 -
V-Twin - 12-1279 - Inner Primary Cover Bearing
Motorshop
$35.19V-Twin - 12-1279 - Inner Primary Cover BearingDescriptionInner primary cover bearing Fits:FXD 2006-2017FLST 2007-2017FXST 2007-2017Additional Information$35.19 -
V-Twin - 12-1253 - Inner Primary Housing Dowel Pin
Eastern Motorcycle Parts
MSRP: $20.54$17.45V-Twin - 12-1253 - Inner Primary Housing Dowel PinDescriptionHousing dowel pin for inner primary Fits:FLST 1991-2017FXST 1991-2017Additional InformationMSRP: $20.54$17.45 -
V-Twin - 12-1198 - Primary Cover Dowel Pin
Motorshop
MSRP: $22.30$20.85V-Twin - 12-1198 - Primary Cover Dowel PinDescriptionPrimary cover #221 dowel pin. Fits:FLST 1990-2017FXST 1990-2017Additional InformationMSRP: $22.30$20.85 -
V-Twin - 12-1191 - Inner Primary Cover Breather Stud
Eastern Motorcycle Parts
MSRP: $17.86$16.07V-Twin - 12-1191 - Inner Primary Cover Breather StudDescriptionInner primary cover breather stud. Fits:FL 1958-1964Additional InformationMSRP: $17.86$16.07 -
V-Twin - 12-1186 - Primary Chain Shoe Stud Adjuster - Fits 1977-1985 Harley-Davidson XL
V-Twin Mfg
$13.74Primary adjuster shoe stud. Fits:XL 1977-1985Additional Information OEM No.40018-77 UOM1 - EA$13.74 -
V-Twin - 12-1157 - Lower Pushrod Cover Washer
Eastern Motorcycle Parts
MSRP: $15.86$14.27V-Twin - 12-1157 - Lower Pushrod Cover WasherDescriptionLower pushrod cover washer is made of steel and measures 57/64 x 1-3/64 x 1/32.Sold in a pack of 25. Fits:FLST 1986-2006FXST...MSRP: $15.86$14.27 -
V-Twin - 12-0969 - Inner Primary Bearing Retaining Ring
Eastern Motorcycle Parts
MSRP: $16.42$14.77V-Twin - 12-0969 - Inner Primary Bearing Retaining RingDescriptionRetaining ring for inner primary cover Fits:FXST 1985-2006FXD 1991-2005FLST 1986-2006FLT 1994-2006Additional InformationMSRP: $16.42$14.77 -
V-Twin - 12-0619 - Engine Sprocket Nut Kit
Motorshop
$48.96V-Twin - 12-0619 - Engine Sprocket Nut KitDescriptionKit includes nut, key retaining ring, and left bearing oil slinger. Fits:WL 1929-1952G 1929-1973Additional Information$48.96 -
V-Twin - 12-0591 - Inner Primary Cover Hardware Kit
Motorshop
$54.47V-Twin - 12-0591 - Inner Primary Cover Hardware KitDescriptionInner primary bearing kit includes bearing, seal, 2 snap rings and 1 inner seal for 1994-2006 Big TwinOrder bushing separately. Fits:FLT...$54.47 -
V-Twin - 12-0589 - Inner Primary Cover Hardware Kit
Motorshop
$50.39V-Twin - 12-0589 - Inner Primary Cover Hardware KitDescriptionInner primary bearing kit includes bearing, seal, 2 snap rings and 1 inner race for 1985-1993 Big Twin Fits:FXD 1991-1993FLST...$50.39 -
V-Twin - 12-0501 - Engine Sprocket Nut
Eastern Motorcycle Parts
MSRP: $21.88$18.59V-Twin - 12-0501 - Engine Sprocket NutDescriptionEngine sprocket nut Fits:WL 1929-1952G 1929-1973Additional InformationMSRP: $21.88$18.59 -
V-Twin - 12-0373 - Inner Primary Cover Bearing without Holes
Peer Bearing
MSRP: $18.32$16.48V-Twin - 12-0373 - Inner Primary Cover Bearing without HolesDescriptionInner primary cover bearing without holes is a high quality hardened steel for improved reliability. Fits:FX 1971-1978FL...MSRP: $18.32$16.48 -
V-Twin - 12-0357 - Inner Primary Cover Bearing with Seals
Motorshop
$34.18V-Twin - 12-0357 - Inner Primary Cover Bearing with SealsDescriptionInner primary bearing with seal.Primary housing seal included. Requires purchase of inner sleeve, separately. Fits:FXD...$34.18 -
V-Twin - 12-0356 - Inner Primary Cover Bearing with Seals
Peer Bearing
$35.00V-Twin - 12-0356 - Inner Primary Cover Bearing with SealsDescriptionInner primary bearing for late 1979 to early 1984, 4 speed Big Twin Fits:FX 1979-1984 early 1984FL 1979-1984 Early 1984Additional...$35.00 -
V-Twin - 12-0340 - Front Inner Primary Cover Bearing
Peer Bearing
MSRP: $23.45$21.93V-Twin - 12-0340 - Front Inner Primary Cover BearingDescriptionInner primary cover bearing with one shield is high quality hardened steel for improved reliability. Fits:FXR 1982-1984 Early 1984FLT...MSRP: $23.45$21.93 -
V-Twin - 12-0313 - Inner Primary Cover Bearing
Peer Bearing
MSRP: $23.46$20.31V-Twin - 12-0313 - Inner Primary Cover BearingDescriptionInner primary bearing has two shields for belt drive bearing support. Fits:FL 1970-1984 early 1984FX 1971-1984Additional InformationMSRP: $23.46$20.31 -
V-Twin - 10-0574 - OE Shifter Bracket Bushing
OE
MSRP: $7.60$6.84V-Twin - 10-0574 - OE Shifter Bracket BushingDescriptionOE shifter backet bushing. Fits:FLHT 1985-2000FLT 1985-2000Additional InformationMSRP: $7.60$6.84 -
V-Twin - 9767-15T - Primary Cover Screw Kit Allen Type - Fits 1991-1993 Harley-Davidson XL
V-Twin Mfg
$18.37Primary cover chrome allen type knurled screw kit. Fits:XL 1991-1993Additional Information UOM1 - KIT Manufact$18.37 -
V-Twin - 9749-11T - Primary Cover Screw Kit Allen Type - Fits 1986-1990 Harley-Davidson XL
V-Twin Mfg
$22.96Allen type primary cover screw kit with a chrome finish. Fits:XL 1986-1990Additional Information UOM1 - KIT Ma$22.96 -
V-Twin - 8919-19 - Primary Cover Allen Screw Kit
Colony Machine
MSRP: $46.25$37.46V-Twin - 8919-19 - Primary Cover Allen Screw KitDescriptionChrome allen style screw kit for primary covers. Fits:FXD 1991-2005FLST 1989-2006FXST 1989-2006Additional InformationMSRP: $46.25$37.46 -
V-Twin - 8916-17T - Primary Cover Allen Screw - Fits 1985-1999 Harley-Davidson FLT, 1985-1994 FXR
V-Twin Mfg
$26.55Chrome allen screw kit for primary cover. Fits:FLT 1985-1999FXR 1985-1994Additional Information UOM1 - KIT$26.55 -
V-Twin - 8916-17 - Primary Cover Allen Screw
Colony Machine
MSRP: $36.89$32.86V-Twin - 8916-17 - Primary Cover Allen Screw Description Chrome allen screw kit for primary cover. Fits: FLT 1985-1999 FXR 1985-1994 Additional InformationMSRP: $36.89$32.86 -
V-Twin - 8893-12 - Stock Primary Screw Kit Cadmium
Colony Machine
MSRP: $27.80$25.99V-Twin - 8893-12 - Stock Primary Screw Kit Cadmium Description Stock primary screw kit, cadmium finish. Fits: XLH 1967-1970 Additional InformationMSRP: $27.80$25.99 -
V-Twin - 8892-12 - Primary Cover Screw Kit Chrome
Colony Machine
MSRP: $32.91$30.77V-Twin - 8892-12 - Primary Cover Screw Kit Chrome Description Primary cover screw kit, chrome finish. Fits: XLH 1967-1970 Additional InformationMSRP: $32.91$30.77 -
V-Twin - 8891-20 - Primary Cover Screw Kit Cadmium
Colony Machine
MSRP: $26.73$24.99V-Twin - 8891-20 - Primary Cover Screw Kit Cadmium Description Primary cover screw kit, cadmium finish. Fits: XLCH 1964-1969 Additional InformationMSRP: $26.73$24.99 -
V-Twin - 8890-20 - Stock Primary Screw
Colony Machine
MSRP: $28.80$26.92V-Twin - 8890-20 - Stock Primary Screw Description Stock primary screw. Fits: XLCH 1964-1969 Additional InformationMSRP: $28.80$26.92 -
V-Twin - 8800-12 - Primary Cover Screw Cadmium
Colony Machine
MSRP: $30.85$28.84V-Twin - 8800-12 - Primary Cover Screw Cadmium Description Primary cover screw, cadmium finish. Fits: FL 1965-1969 Additional InformationMSRP: $30.85$28.84 -
V-Twin - 8798-12 - Inner Primary Mount Kit
Colony Machine
MSRP: $34.98$32.70V-Twin - 8798-12 - Inner Primary Mount Kit Description Inner primary mount kit. Fits: FL 1965-1969 Additional InformationMSRP: $34.98$32.70 -
V-Twin - 8788-11 - Primary Cover Allen Screw
Colony Machine
MSRP: $25.75$24.07V-Twin - 8788-11 - Primary Cover Allen Screw Description Primary cover allen screw. Fits: XL 1977-1984 Additional InformationMSRP: $25.75$24.07 -
V-Twin - 8785-12T - Primary Cover Allen Screw - Fits 1971-1976 Harley-Davidson XL
V-Twin Mfg
$22.10Primary cover chrome allen screw kit. Fits:XL 1971-1976Additional Information UOM1 - EA ManufacturerV$22.10
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.