Primary
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V-Twin - 19-0880 - Engine Sprocket Kit 21 Tooth
York
$58.18V-Twin - 19-0880 - Engine Sprocket Kit 21 ToothDescription21 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 ...$58.18 -
V-Twin - 19-0878 - York 76 Link Primary Chain
York
$67.67V-Twin - 19-0878 - York 76 Link Primary ChainDescriptionYork primary chain has shot peened, heavy duty sideplates and solid roller construction. Side plates are oval shape, chains feature one piece riveted construction as original. No master link...$67.67 -
V-Twin - 19-0877 - York 82 Link Primary Chain
York
$98.35V-Twin - 19-0877 - York 82 Link Primary ChainDescriptionYork nickel plated primary chain is 82 link with a figure 8 style link plates. Chain measures 428 x 2 x 82. Chains feature one piece riveted construction. No master link.**For show use only...$98.35 -
V-Twin - 19-0876 - York 82 Link Primary Chain
York
$78.23V-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 one piece riveted construction as original. No master...$78.23 -
V-Twin - 19-0874 - Engine Sprocket 31 Tooth
York
$59.88V-Twin - 19-0874 - Engine Sprocket 31 ToothDescription31 Tooth engine sprocket with nut and key. Fits:WL 1929-1952G 1929-1973Additional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog Pages812 Replacement Items12-0200 - Motor...$59.88 -
V-Twin - 19-0872 - Engine Sprocket 30 Tooth
York
$58.22V-Twin - 19-0872 - Engine Sprocket 30 ToothDescription30 Tooth engine sprocket, with nut and key.45" motor sprocket suggest hand lap to sprocket shaft for an improved taper fit. Fits:WL 1929-1952G 1929-1973Additional Information UOM1 - EA ...$58.22 -
V-Twin - 19-0871 - Engine Sprocket 27 Tooth
York
$56.55V-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 improved taper fit. Fits:WL 1929-1952G 1929-1973Additional...$56.55 -
V-Twin - 19-0870 - Engine Sprocket Kit 22 Tooth
York
$56.82V-Twin - 19-0870 - Engine Sprocket Kit 22 ToothDescription22 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 ...$56.82 -
V-Twin - 19-0849 - York 100 Link Primary Chain
York
$64.60V-Twin - 19-0849 - York 100 Link Primary ChainDescriptionYork primary chains undergo a rugged quality control test. The size of the chain is 35 x 2 x 100. Fits:WL 1929-1952Additional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog...$64.60 -
V-Twin - 19-0845 - York 82 Link Primary Chain
York
$56.23V-Twin - 19-0845 - York 82 Link Primary ChainDescriptionYork double row 82-link chain with the master link has the oval link side plates. This chain is designed for oil drip lubrication and features. This is not a one piece construction.*NOTE: Oval side...$56.23 -
V-Twin - 19-0837 - 74 Link Primary Chain
York
$82.77V-Twin - 19-0837 - 74 Link Primary ChainDescription74 Link Primary chain is 428 x 74. Fits:FLT 1994-2006Additional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog Pages213$82.77 -
V-Twin - 19-0836 - TYC 86 Link Primary Chain
York
$95.08V-Twin - 19-0836 - TYC 86 Link Primary ChainDescriptionTYC primary chain 86 link. 428 x 86 Fits:FLT 2007-UPAdditional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog Pages213$95.08 -
V-Twin - 19-0835 - TYC 92 Link Primary Chain
York
$82.77V-Twin - 19-0835 - TYC 92 Link Primary ChainDescriptionTYC primary chain 92 link. 428 x 92 Fits:FXST 2007-UPAdditional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog Pages213$82.77 -
V-Twin - 19-0818 - York 96 Link Primary Chain
York
$64.42V-Twin - 19-0818 - York 96 Link Primary ChainDescriptionYork primary chains undergo a rugged quality control test. The size of the chain is 35 x 2 x 96. Fits:G 1937-1973Additional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog...$64.42 -
V-Twin - 19-0786 - 92 Link Primary Chain
Diamond Chain
$162.77V-Twin - 19-0786 - 92 Link Primary ChainDescriptionDiamond 92 link primary chain is for use with a 34 tooth motor sprocket.Features oval contour linkplates. Fits:FXD 2006-2017FLST 2007-UPFXST 2007-UPAdditional Information OEM No.40036-06 UOM1 - EA ...$162.77 -
V-Twin - 19-0680 - Engine Sprocket 33 Tooth
York
$64.27V-Twin - 19-0680 - Engine Sprocket 33 ToothDescriptionUpdated 33 tooth engine sprocket with nut and key. Fits:WL 1929-1952G 1929-1973Additional Information UOM1 - EA ManufacturerYork OriginImported 2025 Catalog Pages812$64.27 -
V-Twin - 19-0583 - 86 Link Primary Chain
Diamond Chain
$174.26V-Twin - 19-0583 - 86 Link Primary ChainDescriptionDiamond 86 link primary chain Fits:FLT 2007-UP 6-speedAdditional Information OEM No.40037-07 UOM1 - EA ManufacturerDiamond Chain OriginUSA 2025 Catalog Pages213$174.26 -
V-Twin - 19-0476 - Primary Chain Connector Link
Diamond Chain
$17.88V-Twin - 19-0476 - Primary Chain Connector LinkDescriptionReplacement connector link for primary chains. Fits:Chief 1922-1953Additional Information UOM1 - EA ManufacturerDiamond Chain OriginUSA 2025 Catalog Pages824$17.88 -
V-Twin - 19-0393 - Indian Primary Chain
Diamond Chain
$244.14V-Twin - 19-0393 - Indian Primary Chain Description Diamond primary chain, 35 X 4 X 76, includes master link. Fits: Chief 1922-1953 Additional Information OEM No. I40822 UOM 1 - EA Manufacturer Diamond...$244.14 -
V-Twin - 19-0392 - Special Length Primary Chain
Diamond Chain
$141.99V-Twin - 19-0392 - Special Length Primary ChainDescriptionSpecial length Diamond primary chain is 428 x 2 x 80 with a 1/2" pitch. Diamond chains undergo a rugged quality control test. Fits:Custom application with special lengthAdditional Information ...$141.99 -
V-Twin - 19-0380 - 90 Link Primary Chain
Diamond Chain
$155.67V-Twin - 19-0380 - 90 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. The size of the chain is 428 x 2 x 90. Fits:VL 1930-1936Additional Information UOM1 - EA ManufacturerDiamond Chain OriginUSA 2025 Catalog...$155.67 -
V-Twin - 19-0377 - Primary Chain Connector Links
York
$34.75V-Twin - 19-0377 - Primary Chain Connector LinksDescriptionPrimary chain connector link, 428 X 2. Measures 12.5mm between posts. For use on Diamond and York brand primary chains. Fits:FXD 1991-2005UL 1937-1948FLST 1986-2006FXST 1984-2006EL 1936-1940FL...$34.75 -
V-Twin - 19-0373 - York 96 Link Primary Chain
York
$65.35V-Twin - 19-0373 - York 96 Link Primary ChainDescriptionYork primary chain 96 link with oval side plates. The size of the chain is 35 x 3 x 96. It comes assembled with the master link. Fits:XL 2004-UPAdditional Information UOM1 - EA ManufacturerYork ...$65.35 -
V-Twin - 19-0369 - 96 Link Endless Primary Chain
Diamond Chain
$133.68V-Twin - 19-0369 - 96 Link Endless Primary ChainDescriptionDiamond endless 96 link Primary chain with oval side plates. Fits:XL 2004-UPAdditional Information OEM No.40147-04 UOM1 - EA ManufacturerDiamond Chain OriginUSA 2025 Catalog Pages882$133.68 -
V-Twin - 19-0368 - 74 Link Primary Chain
Diamond Chain
$131.82V-Twin - 19-0368 - 74 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. The size of the chain is 428 x 2 x 74. Fits:FLT 1994-2006Additional Information UOM1 - EA ManufacturerDiamond Chain OriginUSA 2025 Catalog...$131.82 -
V-Twin - 19-0367 - Replica 82 Link Primary Chain
Diamond Chain
$145.50V-Twin - 19-0367 - Replica 82 Link Primary ChainDescriptionDiamond primary chain undergoes a rugged quality control test. The chain size is 428 x 2 x 82.Features figure 8 style linkplates. Fits:EL 1937-1952U 1937-1948FL 1941-1964Additional Information ...$145.50 -
V-Twin - 19-0366 - 88 Link Primary Chain
Diamond Chain
$211.26V-Twin - 19-0366 - 88 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. The size of the chain is 428 x 2 x 88.For use on side cars with a smaller sprocket. Fits:FL 1941-1984EL 1936-1952Additional Information OEM...$211.26 -
V-Twin - 19-0365 - 100 Link Primary Chain
Diamond Chain
$109.14V-Twin - 19-0365 - 100 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. The size of the chain is 35 x 2 x 100.Does not include master link. Fits:WL 1929-1952Additional Information UOM1 - EA ManufacturerDiamond...$109.14 -
V-Twin - 19-0364 - 96 Link Primary Chain
Diamond Chain
$104.14V-Twin - 19-0364 - 96 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. The size of the chain is 35 x 2 x 96.Does not include master link. Fits:G 1937-1973Additional Information UOM1 - EA ManufacturerDiamond...$104.14 -
V-Twin - 19-0362 - 94 Link Primary Chain
Diamond Chain
$122.01V-Twin - 19-0362 - 94 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. Fits:XL 1957-2003Additional Information UOM1 - EA ManufacturerDiamond Chain OriginUSA 2025 Catalog Pages882$122.01 -
V-Twin - 19-0361 - 76 Link Primary Chain
Diamond Chain
$153.94V-Twin - 19-0361 - 76 Link Primary ChainDescriptionDiamond primary chain undergo a rugged quality control test. The size of the chain is 428 x 2 x 76. Fits:FXR 1982-1994FLT 1979-2006 5-speedAdditional Information UOM1 - EA ManufacturerDiamond Chain ...$153.94 -
V-Twin - 19-0360 - 82 Link Primary Chain
Diamond Chain
$166.29V-Twin - 19-0360 - 82 Link Primary ChainDescriptionEndless primary chain undergo a rugged quality control test. The size of the chain is 428 x 2 x 82. Fits:FXD 1991-2005FLST 1986-2006FXST 1984-2006FL 1965-1984FX 1971-1984Additional Information OEM No...$166.29 -
V-Twin - 19-0160 - 17 Tooth Engine Sprocket
York
$36.24V-Twin - 19-0160 - 17 Tooth Engine SprocketDescription17 Tooth Engine Sprocket*NOTE: Sprocket has a 7/16" offset from the center of the spline to the center of the tooth profile. For use with a 530 wide chain. Fits:F 1915-1919J 1915-1929Additional...$36.24 -
V-Twin - 18-8320 - Primary Chain Tensioner Kit
Motorshop
$78.77V-Twin - 18-8320 - Primary Chain Tensioner KitDescriptionPrimary chain tensioner complete kit for 2000-2005 Big Twins Fits:FXST 2001-2006FXD 2001-2005FLT 2001-2005FLST 2001-2006Additional Information UOM1 - KIT ManufacturerMotorshop OriginImported ...$78.77 -
V-Twin - 18-8314 - Chain Tensioner Kit
York
$75.10V-Twin - 18-8314 - Chain Tensioner KitDescriptionChain Tensioner Complete Kit, 1985-1999 Big Twin Fits:FXD 1991-2000FXST 1984-2000FL 1965-1984FX 1971-1984FLST 1986-2000FXR 1984-1994FLT 1984-2000Additional Information UOM1 - KIT ManufacturerYork ...$75.10 -
V-Twin - 18-8247 - Chain Tensioner Kit
York
$81.50V-Twin - 18-8247 - Chain Tensioner KitDescriptionComplete chain tensioner kit for 1965-1984 models. Fits:FL 1965-1984FX 1971-1984Additional Information UOM1 - KIT ManufacturerYork OriginImported 2025 Catalog Pages555$81.50 -
V-Twin - 18-8220 - Chain Tensioner Kit
V-Twin
$83.23V-Twin - 18-8220 - Chain Tensioner KitDescriptionComplete chain tensioner kit for 1965-1984 models. Kit includes chain tensioner hardware, nylon pad, primary chain adjuster, nut and anchor plate.*NOTE: This is the original style kit with the correct hex...$83.23 -
V-Twin - 18-3706 - York Auto Primary Chain Adjuster Kit
York
$72.80V-Twin - 18-3706 - York Auto Primary Chain Adjuster KitDescriptionYork auto primary chain adjusting kit keeps the chain adjusted properly. Kit includes mount bracket and nylon shoe.Includes inner guide, outer guide, inner and outer spring, shim, and...$72.80 -
V-Twin - 18-3705 - York Auto Primary Chain Adjuster Kit
York
$84.02V-Twin - 18-3705 - York Auto Primary Chain Adjuster KitDescriptionYork auto primary chain adjusting kit keeps the chain adjusted properly. Kit includes mount bracket and nylon shoe.Includes inner guide, outer guide, inner and outer spring, shim, and...$84.02 -
V-Twin - 18-3684 - Chain Tensioner
York
$37.93V-Twin - 18-3684 - Chain TensionerDescriptionYork Self Adjusting Chain Tensioner for 5-speed with wet clutchKit includes all hardware and instructions for complete conversion. Replaces factory type detent adjuster shoe assembly. Fits:XL...$37.93
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.