Engine

V-Twin - 11-0651 - Nickel Intake Valve SeatDescriptionStock replacement intake valve seat, nickel type, for Big Twin models. For use with leaded or unleaded gasoline. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM...

V-Twin - 11-0648 - Steel Upper Valve Collar SetDescriptionUpper valve collar, steel for 61", 74" and 80" models.Set of four. Fits:FXR 1982-1983FLT 1981-1983FL 1981-1984FX 1981-1984Additional Information OEM No.18219-81 UOM1 - SET ManufacturerMotorshop...

V-Twin - 11-0647 - Lower Valve Collar SetDescriptionCollar set for lower valveSet of four. Fits:EL 1936-1940FL 1941-1947Additional Information OEM No.18222-36 UOM1 - SET ManufacturerEastern OriginUSA 2025 Catalog Pages513

V-Twin - 11-0644 - Upper Valve Collar SetDescriptionUpper steel valve collar set for Big Twin models. Fits:FLT 1979-1983FX 1971-1984EL 1936-1940FL 1941-1984FXR 1982-1983Additional Information OEM No.18221-36 UOM4 - SET ManufacturerMotorshop ...

V-Twin - 11-0642 - Oversize Intake Valve SeatDescriptionOversize intake valve seat is 2" x 1.687 x 9/32". Can be used with unleaded gas. Replacement size is actual size of seat, which is supplied. Fits:XL 1957-1969Additional Information UOM1 - EA ...

V-Twin - 11-0641 - Intake and Exhaust Valve SeatDescriptionOversize intake and exhaust valve seat is 2.016" x 1.635" x .453". Can be used with unleaded gas. Fits:FL 1948-1965Additional Information UOM1 - EA ManufacturerKibblewhite OriginUSA 2025...

V-Twin - 11-0637 - 45 inch WL/G Piston Kit StandardDescriptionStandard piston kit with standard rings, 2 wrist pins and 4 circlips. For 45" models.Kit includes hasting rings. The piston measures 2.742" with a .002" clearance and can be bored out to a...

V-Twin - 11-0636 - Cylinder Stud InsertDescriptionCylinder stud insert only comes as 8 pieces. Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998FXR 1986-1994FLST 1986-1998Additional Information UOM8 - SET ManufacturerSifton OriginImported 2025 Catalog...

V-Twin - 11-0631 - 900/1000cc Chrome Exhaust ValveDescriptionExhaust valve, chrome Fits:XL 1958-1985Additional Information OEM No.18080-58A UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages851

V-Twin - 11-0630 - Chrome Intake ValveDescriptionSifton chrome intake valve for Big Twin models Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.18074-66 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog...

V-Twin - 11-0628 - 1000cc Chrome Intake ValveDescriptionIntake valve is chrome and measures 3.63" long. Fits:XL 1970-1985Additional Information OEM No.18070-70 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages851

V-Twin - 11-0625 - Stainless Steel Intake ValveDescriptionSifton stainless steel intake valve for Shovelhead models. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.18074-66 UOM1 - EA ManufacturerMotorshop ...

V-Twin - 11-0618 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve has a racing stem 1-3/4" and has a tulip shape head for maximum flow. Fits:XL 1958-1985Additional Information OEM No.18070-70R UOM1 - EA ...

V-Twin - 11-0617 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve Fits:XL 1958-1985Additional Information OEM No.18080-58A UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages851

V-Twin - 11-0615 - Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve is 1/8" oversize for 1948-1985 Big Twin models. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1948-1984FL 1979-1983Additional Information OEM No.18082-57 UOM1 - EA ...

V-Twin - 11-0614 - Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve is manufactured with a special nitrided process which helps improve wear properties and also reduces friction. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1948-1984FL...

V-Twin - 11-0611 - Steel Exhaust ValveDescriptionSifton steel exhaust valve Fits:UL 1937-1948 74" & 80"Additional Information OEM No.18082-37 UOM1 - EA ManufacturerSifton OriginUSA 2025 Catalog Pages802

V-Twin - 11-0609 - 1000cc Nitrate Steel Intake ValveDescriptionNitrate steel intake valve measures 3.63" long. Fits:XL 1970-1985Additional Information OEM No.18070-70 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages851

V-Twin - 11-0606 - Nitrate Steel Intake ValveDescription1/16" oversize intake valve is made of nitrate steel. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information UOM1 - EA MeasurementsAdditional InformationOverall Length: 3...

V-Twin - 11-0605 - Nitrate Steel Intake ValveDescriptionNitrate steel intake valve is manufactured with a special nitrided process which helps improve wear properties and also reduces friction. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...

V-Twin - 11-0601 - Steel Intake ValveDescriptionSteel intake valve is for 45" Side Valve models.Intake valve measures 1-5/8". Fits:WL 1929-1952G 1929-1973Additional Information OEM No.18070-32 UOM1 - EA ManufacturerSifton OriginImported 2025 Catalog...

V-Twin - 11-0600 - Steel Intake ValveDescriptionSteel intake valve Fits:UL 1937-1948 74" & 80"Additional Information OEM No.18072-37 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1.942"Stem Length: 3.71" ...

V-Twin - 11-0589 - 1200cc Cylinder and Piston Conversion Kit BlackDescription1200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders with fitted Wiseco 10:1 piston and ring set.Order base and head base gasket...

V-Twin - 11-0585 - Rocker Box Chrome D-Ring SetDescriptionChrome d-ring set for rocker boxes on XL models.Sold as a pair. Fits:XL 1991-2003Additional Information OEM No.17533-90 UOM1 - SET FinishChrome ManufacturerMotorshop OriginImported 2025...

V-Twin - 11-0584 - Rocker Box Breather ElementDescriptionRocker box breather element. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information OEM No.63815-99 UOM10 - PK ManufacturerJames OriginUSA 2025 Catalog Pages179

V-Twin - 11-0578 - Rocker Box Assembly Polished FinishDescriptionPolished rocker box assembly includes covers in polished finish, 4 arms, 4 shafts and chrome end shaft nuts for Shovelhead.*NOTE: May have pits, marks, or voids in casting. This does not...

V-Twin - 11-0577 - Rocker Box Assembly Chrome FinishDescriptionChrome rocker box assembly includes covers in chrome finish, 4 arms, 4 shafts and chrome end shaft nuts for Shovelhead.May have pits, marks, or voids in casting. This does not affect fitment...

V-Twin - 11-0571 - Rocker Arm Shaft SetDescriptionSifton rocker arm 4 piece shaft set for 1986-up. Fits:FLT 1984-2016FXD 1991-2017XL 1986-UPFLST 1986-2017FXST 1984-2017FXR 1984-1994Additional Information OEM No.17611-83 UOM1 - SET ManufacturerV-Twin ...

V-Twin - 11-0570 - Rocker Arm Shaft SetDescriptionReplica rocker arm shaft for 1966-1984 Big Twins. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17611-66A UOM4 - PK ManufacturerV-Twin OriginImported 2025...

V-Twin - 11-0565 - 1200cc Cylinder and Piston Conversion Kit SilverDescriptionBig bore cylinder kit for 883-1200 conversion on Sportster models.Increase your horsepower with our V-Twin 883cc to 1200cc big bore conversion kit. Our kit includes 2 silver...

V-Twin - 11-0558 - Rocker Arm Ball StudDescriptionRocker arm ball stud comes as 4 pieces. Fits:FL 1941-1947EL 1937-1940Additional Information OEM No.17425-36 UOM4 - PK ManufacturerMotorshop OriginImported 2025 Catalog Pages513

V-Twin - 11-0540 - Standard Rocker Arm ShaftDescriptionSifton Knucklehead rocker arm shaft set.Front intake measures 4-1/8" and has an actual ground surface of 4.115. Rear intake measures 3-5/8" and has an actual ground surface of 3.6. Rear exhaust...

V-Twin - 11-0539 - Rocker Arm ShaftDescriptionJims rocker arm shaft has an outer diameter at the big end of .937" and the small end of .434". Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17611-66B UOM1 - EA ...

V-Twin - 11-0534 - Shovelhead Rocker Box Cover Set ChromeDescriptionFront and rear rocker box covers for Shovelheads are cast aluminum with a chrome finish.Sold as a pair. *NOTE: Must order studs separately. *NOTE: The top of the cover is made in Japan...

V-Twin - 11-0533 - 88 inch Evolution Big Bore Cylinder BlackDescriptionIncrease your stock 80" Evolution engine with our big bore cylinder to 88" cubic inches.This is 3-5/8" black cylinder will have to be honed for final fitment. Case boring will be...

V-Twin - 11-0532 - 88 inch Evolution Big Bore Cylinder SilverDescriptionIncrease your stock 80" Evolution engine with our big bore cylinder to 88" cubic inches.This 3-5/8" silver cylinder will have to be honed for final fitment. Case boring will be...

V-Twin - 11-0531 - Intake Valve OilerDescriptionPanhead rear intake valve oiler for Big Twin models. Fits:FL 1948-1965Additional Information OEM No.18102-49 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages508

V-Twin - 11-0530 - Intake Valve OilerDescriptionPanhead front intake valve oiler for Big Twin models. Fits:FL 1948-1965Additional Information OEM No.18100-49 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages508

V-Twin - 11-0528 - Rocker Arm Rear Exhaust Front IntakeDescriptionReplica rocker arm only includes one front intake and one rear exhaust and is complete with shafts. Fits:FL 1948-1965Additional Information OEM No.17360-48 UOM1 - EA ...

V-Twin - 11-0527 - Rocker Arm Assembly Rear Intake Front ExhaustDescriptionReplica rocker arm assembly includes one front exhaust and one rear intake and are complete with shafts and blocks. Fits:FL 1948-1965Additional Information OEM No.17635-48 UOM1...