Primary
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out of stock
V-Twin - 37-8668 - Aluminum Inner Primary Mount Kit - Fits 1985-1988 Harley-Davidson FXST, 1986-1988 FLST
V-Twin Mfg
$24.83Aluminum inner primary mount kit contains all stock type har dware for mounting aluminum inner chain housing. Fits:FXST 1985-1988FLST 1986-1988Additional Information$24.83 -
Out of stock
V-Twin - 37-0938 - Round Head Rivets 3/16 inch x 5/16 inch
MSRP: $19.88$17.89V-Twin - 37-0938 - Round Head Rivets 3/16 inch x 5/16 inchDescriptionSteel 3/16" x 5/16" round head rivets to fasten bracket to inner primary. Features a raw finish.Sold as a pack of 25. Fits:FL...MSRP: $19.88$17.89 -
Out of stock
V-Twin - 37-0831 - Primary Derby Screw Kit Chrome
V-Twin Mfg
$13.57V-Twin - 37-0831 - Primary Derby Screw Kit ChromeDescriptionChrome primary derby screw kit. Fits:FXST 1999-UPFLST 1999-UPFLT 1999-UPFXD 1999-2017Additional Information$13.57 -
Out of stock
V-Twin - 37-0030 - Primary Cover Screw Set Zinc - Fits 1965-1975 Harley-Davidson FL
V-Twin Mfg
MSRP: $19.88$19.68Primary cover screw set features a zinc finish. Fits:FL 1965-1975Additional Information UOM1 - SET ManufactureMSRP: $19.88$19.68 -
Out of stock
V-Twin - 3667-19 - Primary Cover Allen Screw Kit Zinc
Colony Machine
$36.22V-Twin - 3667-19 - Primary Cover Allen Screw Kit ZincDescriptionZinc allen style screw kit for primary covers. Fits:FXD 1991-2005FXDWG 1991-2005FLSTC 1989-2006FXSTC 1989-2006FLST 1989-2006FXST...$36.22 -
Out of stock
V-Twin - 28-0234 - Chain Tension Nylon Pad - Fits 2001-2006 Harley-Davidson FXST, 2001-2005 FXD, FLT, 2001-2006 FLST
V-Twin Mfg
$13.50Nylon pad for chain tension Fits:FXST 2001-2006FXD 2001-2005FLT 2001-2005FLST 2001-2006Additional Information OEM No.39976-01<$13.50 -
Out of stock
V-Twin - 2559-1 - Primary Cover Filler Cap
Colony Machine
MSRP: $25.33$23.68V-Twin - 2559-1 - Primary Cover Filler CapDescriptionPrimary cover filler cap with no vent hole. Fits:XL 1971-1976Additional InformationMSRP: $25.33$23.68 -
Out of stock
V-Twin - 2521-4T - Inner Primary Mount Kit - Fits 1939-1952 Harley-Davidson WL, 1939-1973 G
V-Twin Mfg
$33.66Chain guard inner primary cover mount kit includes screw plugs and washers. Fits:WL 1939-1952G 1939-1973Additional Information OEM No.60648-39$33.66 -
Out of stock
V-Twin - 20-2052 - Belt Drive Outboard Support Kit Chrome with Hardware
York
$778.70V-Twin - 20-2052 - Belt Drive Outboard Support Kit Chrome with HardwareDescriptionOutboard support kit for 3" BDL and York belt drive units includes the hardware. Fits:Custom application for 3" BDL &...$778.70 -
Out of stock
V-Twin - 20-0507 - Primo Belt Drive Starter Ring Gear
Rivera-Primo Products
MSRP: $117.54$115.89V-Twin - 20-0507 - Primo Belt Drive Starter Ring GearDescriptionGear has 3 holes for mounting with rivets.Fits a 66 tooth early pulley. Fits:Replacement application for Brute II belt driveAdditional...MSRP: $117.54$115.89 -
Out of stock
V-Twin - 19-1283 - Engine Sprocket Kit 24 Tooth - Fits 1929-1952 Harley-Davidson WL, 1929-1973 G
V-Twin Mfg
$69.9424 tooth engine sprocket kit includes sprocket with key and nut.45" motor sprocket suggest hand lap to sprocket shaft for an improved taper fit. Fits:WL 1929-1952G 1929-1973Additional Information$69.94 -
Out of stock
V-Twin - 19-0876 - York 82 Link Primary Chain
York
$86.74V-Twin - 19-0876 - York 82 Link Primary ChainDescriptionYork oval style primary chain has shot peened, heavy duty sideplates and solid roller construction. Side plates are oval shaped, chains feature...$86.74 -
Out of stock
V-Twin - 19-0874 - Engine Sprocket 31 Tooth
York
$64.02V-Twin - 19-0874 - Engine Sprocket 31 ToothDescription31 Tooth engine sprocket with nut and key. Fits:WL 1929-1952G 1929-1973Additional Information$64.02 -
Out of stock
V-Twin - 19-0871 - Engine Sprocket 27 Tooth
York
$60.46V-Twin - 19-0871 - Engine Sprocket 27 ToothDescriptionThis engine sprocket for roller chain has 27 teeth, and includes nut and key.45" motor sprocket suggest hand lap to sprocket shaft for an...$60.46 -
Out of stock
V-Twin - 19-0588 - 82 Link York Primary Chain
York
$129.49V-Twin - 19-0588 - 82 Link York Primary ChainDescriptionYork primary chain features a raw finish with a master link and hour glass shaped links. The size of the chain is 428 x 2 x 82. Fits:FL...$129.49 -
Out of stock
V-Twin - 19-0459 - Primary Chain Master Link
York
$37.86V-Twin - 19-0459 - Primary Chain Master LinkDescriptionMaster link 35 x 2 primary chain, 7.8MM between two posts. For use on York brand primary chains only. Fits:WL 1929-1952G 1929-1973Additional...$37.86 -
Out of stock
V-Twin - 18-3228 - Primary Chain Adjuster Brace - Fits 1967-1979 Harley-Davidson XLH, 1954-1956 K, 1957-1970 XL, 1970 XLCH
V-Twin Mfg
$26.11Primary Chain Adjuster Brace Fits:XLH 1967-1979K 1954-1956XL 1957-1970XLCH 1970-1970Additional Information OEM No.39980-54$26.11 -
Out of stock
V-Twin - 18-0117 - 82 Link Primary Chain Drive System - Fits 1955-1964 Harley-Davidson FL
V-Twin Mfg
$602.00Primary 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. Fits:FL...$602.00 -
Out of stock
V-Twin - 18-0114 - 76 Link Primary Chain Drive System - Fits 1998-2006 Harley-Davidson FLT
V-Twin Mfg
$1,368.46Primary 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 chain...$1,368.46 -
Out of stock
V-Twin - 18-0113 - 76 Link Primary Chain Drive System - Fits 1994-1997 Harley-Davidson FLT
V-Twin Mfg
$1,387.63Ptimary 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 chain...$1,387.63 -
Out of stock
V-Twin - 18-0112 - 76 Link Primary Chain Drive System - Fits 1991-1993 Harley-Davidson FXR, FLT
V-Twin Mfg
$1,352.84Primary 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 chain...$1,352.84 -
Out of stock
V-Twin - 18-0109 - 82 Link Primary Chain Drive System
York
$614.82V-Twin - 18-0109 - 82 Link Primary Chain Drive SystemDescriptionPrimary chain drive system is 82 link and includes clutch drum basket, steel and fiber clutch plates with pressure plate assembly...$614.82 -
Out of stock
V-Twin - 18-0103 - 82 Link Primary Chain Drive System - Fits 1994-1997 Harley-Davidson FLST, FXST
V-Twin Mfg
$1,481.68Primary 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.Primary chain...$1,481.68 -
Out of stock
V-Twin - 17-1869 - Kick Cover Filler Plug - Fits 1941-1984 Harley-Davidson FL
V-Twin Mfg
$19.73Kick cover filler plug features an aluminum finish. Fits:FL 1941-1984Additional Information UOM1 - EA Manufact$19.73 -
Out of stock
V-Twin - 17-1594 - Belt Drive Super Nut with Seal
Motorshop
$32.25V-Twin - 17-1594 - Belt Drive Super Nut with SealDescriptionBelt drive super nut with built in seal for mainshaft surface.For use with a 4th gear transmission mainshaft and a Sifton main drive gear...$32.25 -
Out of stock
V-Twin - 17-0873 - Inner Primary Bearing Kit
Motorshop
$83.44V-Twin - 17-0873 - Inner Primary Bearing KitDescriptionInner primary bearing kit includes mount gasket, housing seals, and cover bearing. Fits:FXD 2008-2017FLST 2008-2017FXST 2008-2017FLT...$83.44 -
Out of stock
V-Twin - 12-2036 - Outer Primary Cover Bushing
V-Twin Mfg
$23.88V-Twin - 12-2036 - Outer Primary Cover Bushing Description Primary cover bushing for outer primary covers. Fits: FLT 1994-1998 FXR 1994-1994 Additional Information$23.88 -
Out of stock
V-Twin - 51-1874 - Primary Nerf Plate - Fits 1999-2017 Harley-Davidson FLST, FXST
V-Twin Mfg
$124.81Primary Nerf plate features stainless steel finish and manufactured with cast steel. Protect the outer primary on hard lean deft turns. Bolt on type. Fits:FLST 1999-2017FXST 1999-2017Additional...$124.81 -
Out of stock
V-Twin - 51-1872 - Primary Nerf Plate
V-Twin Mfg
$124.81V-Twin - 51-1872 - Primary Nerf PlateDescriptionPrimary Nerf plate features stainless steel finish and manufactured with cast steel. Protect the outer primary on hard lean deft turns. Bolt on type...$124.81 -
Out of stock
Drag Specialties - DS195197 - Compensating Sprocket Kit - '91-'93 Big Twin
Drag Specialties
$308.41Drag Specialties - DS195197 - Compensating Sprocket Kit - '91-'93 Big TwinFeaturesComplete kit contains a high-quality sprocket, sprocket shaft extension, sliding cam, sprocket nut and cover with...$308.41 -
Out of stock
Drag Specialties - DS195196 - Compensating Sprocket Kit - '94-'06 Big Twin
Drag Specialties
MSRP: $305.86$213.30Drag Specialties - DS195196 - Compensating Sprocket Kit - '94-'06 Big TwinFeaturesComplete kit contains a high-quality sprocket, sprocket shaft extension, sliding cam, sprocket nut and cover with...MSRP: $305.86$213.30 -
Out of stock
Drag Specialties - DS194015 - Right Roller Bearing Retainer - Big Twin
Drag Specialties
$24.67Drag Specialties - DS194015 - Right Roller Bearing Retainer - Big TwinFeaturesHigh-quality, replacement right crankcase roller bearing retainerReplacement Part for OEM Number(s):4357835Specs$24.67 -
Out of stock
Drag Specialties - DS192003 - Primary Chain Adjusting Shoe - L'80-'90 XL
Drag Specialties
$16.91Drag Specialties - DS192003 - Primary Chain Adjusting Shoe - L'80-'90 XLFeaturesReplaces stock nylon shoeReplacement Part for OEM Number(s):3996680Specs$16.91 -
Out of stock
Drag Specialties - DS190819S - Bolt Kit - Cam/Primary/Transmission Cover - Socket-Head - Softail
Drag Specialties
$76.60Drag Specialties - DS190819S - Bolt Kit - Cam/Primary/Transmission Cover - Socket-Head - SoftailFeaturesReplacement hardware for cam, primary, transmission, inspection and derby coverMade in the...$76.60 -
Out of stock
Drag Specialties - DS190798S - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Smooth - '86-'90 Sportster
Drag Specialties
$47.20Drag Specialties - DS190798S - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Smooth - '86-'90 SportsterFeaturesReplacement hardware for cam, primary and sprocket coverIncludes oil check...$47.20 -
Out of stock
Drag Specialties - DS190755 - Bolt Set - Cam/Primary/Inspection/Derby Cover - Knurled - '70-'84 Harley-Davidson
Drag Specialties
$26.95Drag Specialties - DS190755 - Bolt Set - Cam/Primary/Inspection/Derby Cover - Knurled - '70-'84 Harley-DavidsonFeaturesReplacement hardware for cam, primary, inspection and derby coverMade in the...$26.95 -
Out of stock
Drag Specialties - DS190750S - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Smooth - '77-'85 Sportster
Drag Specialties
$47.20Drag Specialties - DS190750S - Bolt Set - Cam/Primary/Sprocket Cover - Socket-Head/Smooth - '77-'85 SportsterFeaturesReplacement hardware for cam, primary and sprocket coverIncludes oil check...$47.20 -
Out of stock
Drag Specialties - 24010770 - Bolt Kit - Primary Cover - Smooth - Chrome - Softail/Dyna
Drag Specialties
$88.51Drag Specialties - 24010770 - Bolt Kit - Primary Cover - Smooth - Chrome - Softail/DynaFeaturesReplacement hardware for the primary coverMade in the USASpecs$88.51 -
Out of stock
Drag Specialties - 24010575 - Bolt Kit - Primary Cover - Smooth - Black/Chrome - '04-'21 Sportster
Drag Specialties
$76.60Drag Specialties - 24010575 - Bolt Kit - Primary Cover - Smooth - Black/Chrome - '04-'21 SportsterFeaturesReplacement hardware for the primary coverMade in the USASpecs$76.60 -
Out of stock
Drag Specialties - 20173462 - Compensating Sprocket Nut - '70-'90
Drag Specialties
$20.28Drag Specialties - 20173462 - Compensating Sprocket Nut - '70-'90 Features temp Replacement compensating nut for a smoother ride Replacement Part for OEM Number(s):4039271 Specs$20.28
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.