Primary
- Product
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- Quantity
- Price
- Subtotal
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V-Twin - 18-3155 - Primary Chain Tensioner Kit
York
$48.38V-Twin - 18-3155 - Primary Chain Tensioner KitDescriptionPrimary chain tensioner kit includes pad, clip, and brace. Fits:XL 1957-1969XLCH 1958-1969Additional Information OEM No.39975-54A UOM1 - SET ManufacturerYork OriginImported 2025 Catalog...$48.38 -
V-Twin - 18-0988 - Servi-Car Primary Drive Kit
V-Twin Mfg
$850.55V-Twin - 18-0988 - Servi-Car Primary Drive KitDescriptionServi-car primary drive kit includes a 22 tooth motor sprocket and is for electric start models.*NOTE: The ring gear is attached to the clutch drum. Fits:G 1964-1973Additional Information UOM1 -...$850.55 -
V-Twin - 18-0981 - 45 Primary Drive Kit
V-Twin Mfg
$801.05V-Twin - 18-0981 - 45 Primary Drive KitDescription45 primary drive kit includes a 31 tooth motor sprocket. Fits:W 1941-1952Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages808 Replacement Items49-0088 - Clutch...$801.05 -
V-Twin - 18-0783 - Primary Chain Tensioner Bracket Kit
York
$97.05V-Twin - 18-0783 - Primary Chain Tensioner Bracket KitDescriptionChain tensioner kit assembly bolts to the rear motor mount plates on rigid frame models. Kit includes bracket and detent plate.Chain adjusting shoe assembly is supplied to adjust chain...$97.05 -
V-Twin - 18-0581 - York Auto Primary Chain Adjuster Kit
York
$58.04V-Twin - 18-0581 - York Auto Primary Chain Adjuster KitDescriptionYork auto primary chain adjusting kit keeps the chain ed adjusted properly. Kit includes mount bracket and nylon shoe.Includes inner guide, outer guide, inner and outer spring, shim, and...$58.04 -
V-Twin - 18-0580 - York Auto Primary Chain Adjuster Kit
York
$97.05V-Twin - 18-0580 - York Auto Primary Chain Adjuster KitDescriptionYork auto chain adjuster keeps the primary chain adjusted properly.Includes shoe, inner guide, outer guide, inner and outer spring, and adjuster pad. Order carriage screw and lock nut...$97.05 -
V-Twin - 18-0250 - Primary Chain Adjuster Pad and Screw Kit
York
MSRP: $42.09$41.25V-Twin - 18-0250 - Primary Chain Adjuster Pad and Screw KitDescriptionPrimary Chain Adjuster Pad and Screw Kit. Fits:XL 1991-2003Additional Information OEM No.39975-90A UOM1 - KIT ManufacturerYork OriginImported 2025 Catalog Pages885MSRP: $42.09$41.25 -
V-Twin - 18-0128 - Chain Tensioner Shoe
York
$27.71V-Twin - 18-0128 - Chain Tensioner ShoeDescriptionChain tensioner shoe is a replacement part for the chain tensioner. Fits:Special application for use with hydraulic primary chain tensionerAdditional Information UOM1 - EA ManufacturerYork ...$27.71 -
V-Twin - 18-0120 - Hydraulic Primary Chain Tensioner
York
$140.57V-Twin - 18-0120 - Hydraulic Primary Chain TensionerDescriptionYork chain tensioner features a hydraulic valve which controls the motion of the submerged piston which constantly keeps the chain in tension.This chain tensioner improves shifting...$140.57 -
V-Twin - 18-0119 - Primary Chain Adjuster
York
$56.69V-Twin - 18-0119 - Primary Chain AdjusterDescriptionPrimary chain adjuster has steel reinforced nylon wear pad, and 1/2"-20UNC adjusting thread. Fits:XL 2004-UPAdditional Information OEM No.40039-02C UOM1 - EA ManufacturerYork OriginImported 2025...$56.69 -
V-Twin - 18-0117 - 82 Link Primary Chain Drive System
V-Twin Mfg
$602.00V-Twin - 18-0117 - 82 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 82 link and features chain shoe adjuster assembly, clutch drum basket with starter ring gear, steel and fiber clutch plates with pressure plate assembly...$602.00 -
V-Twin - 18-0116 - 96 Link Primary Chain Drive System
V-Twin Mfg
$793.44V-Twin - 18-0116 - 96 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 96 link and features chain shoe adjuster assembly, clutch drum basket without starter ring gear, steel and fiber clutch plates with pressure plate assembly...$793.44 -
V-Twin - 18-0115 - 100 Link Primary Chain Drive System
V-Twin Mfg
$773.37V-Twin - 18-0115 - 100 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 100 link and includes clutch drum basket, steel and fiber clutch plates and pressure plate assembly. Fits:WL 1941-1952Additional Information UOM1 - KIT ...$773.37 -
V-Twin - 18-0111 - 76 Link Primary Chain Drive System
V-Twin Mfg
$1,516.79V-Twin - 18-0111 - 76 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 76 link and features chain shoe adjuster assembly, clutch drum basket with starter ring gear, steel and fiber clutch plates with pressure plate assembly.Primary...$1,516.79 -
V-Twin - 18-0110 - 76 Link Primary Chain Drive System
V-Twin Mfg
$733.56V-Twin - 18-0110 - 76 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 76 link for Big Twins.Features chain shoe adjuster assembly, clutch drum basket with starter ring gear & steel & fiber clutch plates with pressure plate...$733.56 -
V-Twin - 17-9941 - Inner Primary Cover Bushing Race
Motorshop
MSRP: $42.33$41.48V-Twin - 17-9941 - Inner Primary Cover Bushing RaceDescriptionInner race for primary cover bushing on 5-speeds. Fits:FXD 1991-2005FLST 1986-2006FXST 1984-2006Additional Information OEM No.34091-85 UOM1 - EA MeasurementsAdditional InformationOuter...MSRP: $42.33$41.48 -
V-Twin - 17-9222 - Inner Primary Mount Lock
Eastern
MSRP: $23.86$20.28V-Twin - 17-9222 - Inner Primary Mount LockDescriptionInner primary mount lock Fits:FXR 1982-1984FLT 1980-1982FX 1980-1984Additional Information OEM No.7402 UOM10 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages754MSRP: $23.86$20.28 -
V-Twin - 17-0991 - Inner Primary Bearing/Sleeve Kit
Motorshop
$48.38V-Twin - 17-0991 - Inner Primary Bearing/Sleeve KitDescriptionInner primary bearing sleeve kit is used with bearings in worn or damaged covers, for use with 4-speed models.Inner bearing includes ground sleeve to be fitted to damaged or worn bearing hole...$48.38 -
V-Twin - 17-0942 - Inner Primary Lock Tab
V-Twin Mfg
$15.64V-Twin - 17-0942 - Inner Primary Lock TabDescriptionInner priamry lock tab Fits:FL 1965-1969Additional Information OEM No.31479-65 UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog Pages754$15.64 -
V-Twin - 17-0937 - Inner Primary Cover Lock Tab
Motorshop
$24.83V-Twin - 17-0937 - Inner Primary Cover Lock TabDescriptionLock tab for inner primary has a 1 piece design that eliminates the need for saftey wire. Fits:FL 1970-1984FX 1971-1984Additional Information UOM5 - PK ManufacturerMotorshop OriginImported ...$24.83 -
V-Twin - 17-0928 - Inner Primary Cover Lock Tab
Motorshop
$27.24V-Twin - 17-0928 - Inner Primary Cover Lock TabDescriptionLock Tab for inner primary cover. Fits:FLST 1985-2017FXR 1984-1999FXST 1985-2017Additional Information OEM No.33318-85 UOM10 - PK ManufacturerMotorshop OriginImported 2025 Catalog Pages443$27.24 -
V-Twin - 17-0915 - Primary Chain Adjuster Lock Tab
Motorshop
MSRP: $22.30$20.85V-Twin - 17-0915 - Primary Chain Adjuster Lock TabDescriptionPrimary chain adjuster lock tab Fits:FXD 1991-2000FXST 1984-2000FL 1965-1984FX 1971-1984FLST 1986-2000FXR 1984-1994FLT 1984-2000Additional Information OEM No.39996-65 UOM10 - PK ...MSRP: $22.30$20.85 -
V-Twin - 17-0871 - Inner Primary Bearing Kit
Motorshop
$85.70V-Twin - 17-0871 - Inner Primary Bearing KitDescriptionInner primary bearing kit includes seal, sleeve, and bearing Fits:FLST 2007-2007 6-speedFXD 2006-2007 6-speedFXST 2007-2007 6-speedFLT 2006-2007 6-speedAdditional Information UOM1 - KIT ...$85.70 -
V-Twin - 17-0870 - Inner Primary Cover Bearing with Sleeve
Motorshop
MSRP: $39.67$38.87V-Twin - 17-0870 - Inner Primary Cover Bearing with SleeveDescriptionInner Primary Bearing Kit comes complete with bearing, seal and sleeve. Fits:FXST 1984-2006 5-speedFXD 1991-2005 5-speedFLST 1986-2006 5-speedAdditional Information OEM No.9135 UOM1 -...MSRP: $39.67$38.87 -
V-Twin - 17-0511 - Inner Primary Cover Bearing Kit
Motorshop
$24.83V-Twin - 17-0511 - Inner Primary Cover Bearing KitDescriptionKit includes one Replica inner primary seal and an inner primary 3/8" low profile bearing.The bearing features a 1" inner diameter and a 2" outer diameter. Fits:FX 1971-1984 early 1984FL...$24.83 -
V-Twin - 17-0510 - Inner Primary Cover Bearing
Peer Bearing
MSRP: $25.35$23.69V-Twin - 17-0510 - Inner Primary Cover BearingDescriptionInner primary bearing is made of high quality hardened steel for improved reliability.Bearing has rubber shield on one end and can be removed if desired. Fits:FL 1965-1969Additional Information ...MSRP: $25.35$23.69 -
V-Twin - 17-0503 - Inner Primary Cover Bearing Kit
Motorshop
$27.71V-Twin - 17-0503 - Inner Primary Cover Bearing KitDescriptionInner primary cover bearing and seal.NOTE: 50.8mm X 25.39mm X 12.66mm thick. Fits:FL 1970-1984FX 1971-1984Additional Information UOM1 - KIT ManufacturerMotorshop OriginImported 2025 Catalog...$27.71 -
V-Twin - 17-0465 - Stepped Inner Primary Cover Bearing Race
Motorshop
MSRP: $42.85$42.00V-Twin - 17-0465 - Stepped Inner Primary Cover Bearing RaceDescriptionStepped inner primary bearing race features an extra step on the inside diameter that acts as a stop on the transmission mainshaft. Fits:FXD 1991-2005FXST 1991-2006FLST...MSRP: $42.85$42.00 -
V-Twin - 16-1897 - 45 inch Side Valve Clutch Tool Set
V-Twin Mfg
$131.33V-Twin - 16-1897 - 45 inch Side Valve Clutch Tool SetDescription45" Side Valve clutch tool set includes a clutch hub nut wrench tool, 45" W & G clutch hub lock tool and a main drive gear seal installer.Sold as a 3 piece set. ...$131.33 -
V-Twin - 16-0823 - Clutch Hub Nut Wrench Tool
Motorshop
$97.53V-Twin - 16-0823 - Clutch Hub Nut Wrench ToolDescriptionClutch hub nut wrench tool.*NOTE: Must order handle separately. Fits:G 1941-1973WL 1941-1952Additional Information OEM No.12745-41 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog...$97.53 -
V-Twin - 16-0434 - 45 inch W & G Clutch Hub Lock Tool
V-Twin Mfg
$39.09V-Twin - 16-0434 - 45 inch W & G Clutch Hub Lock ToolDescription45" W & G clutch hub lock tool locks the drum and hub together for installation or removal. Fits:G 1941-1973W 1941-1952Additional Information UOM1 - EA ManufacturerV-Twin OriginUSA 2025...$39.09 -
V-Twin - 13-9238 - Compensator Sprocket Spring
Eastern
MSRP: $28.04$26.21V-Twin - 13-9238 - Compensator Sprocket SpringDescriptionCompensator sprocket spring. Fits:XL 1957-1976FL 1955-1969Additional Information OEM No.40302-55 UOM1 - EA MeasurementsAdditional InformationOuter Diamter: 3"Inner Diameter:...MSRP: $28.04$26.21 -
V-Twin - 13-9164 - Primary Chain Adjuster Spring
Eastern
MSRP: $25.33$23.68V-Twin - 13-9164 - Primary Chain Adjuster SpringDescriptionPrimary adjuster shoe spring, 1986-1990 XL Fits:XL 1986-1990Additional Information OEM No.40019-86A UOM1 - EA ManufacturerEastern OriginUSA 2025 Catalog Pages885MSRP: $25.33$23.68 -
V-Twin - 13-9163 - Primary Chain Adjuster Spring
Eastern
MSRP: $30.80$28.79V-Twin - 13-9163 - Primary Chain Adjuster SpringDescriptionPrimary Adjuster Shoe Spring, 1977-1985 Fits:XL 1977-1985Additional Information OEM No.40019-80A UOM5 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages885MSRP: $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 1991-2005 FLST 1986-2006 FXST 1984-2006 Additional...$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 OEM No. 40018-86 UOM 1 -...$13.86 -
V-Twin - 12-1528 - Primary Breather Tube Snoot
V-Twin Mfg
$24.24V-Twin - 12-1528 - Primary Breather Tube SnootDescriptionBreather Tube Snoot, 1936-1957 Big Twin Fits:UL 1937-1948EL 1936-1940 overhead valveFL 1941-1947Additional Information OEM No.24918-64 UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog...$24.24 -
V-Twin - 12-1519 - Primary Baffle Plate
V-Twin Mfg
$13.79V-Twin - 12-1519 - Primary Baffle PlateDescriptionPrimary baffle plate helps keep oil out of clutch pack. Fits:FL 1965-1984FX 1971-1984Additional Information OEM No.60556-74 UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog Pages754$13.79 -
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 OEM No.24912-48 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages495$36.59 -
V-Twin - 12-1513 - Primary Breather Nipple
Eastern
MSRP: $17.86$16.07V-Twin - 12-1513 - Primary Breather NippleDescriptionPrimary cover breather nipple for 1958-1964 Big Twin Fits:FL 1958-1964Additional Information OEM No.24918-58 UOM1 - EA ManufacturerEastern OriginImported 2025 Catalog Pages495MSRP: $17.86$16.07
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.