Motorshop
Motorshop delivers high-quality vintage motorcycle parts and precision performance components for classic Harley-Davidson and Indian motorcycles. The brand specializes in Linkert carburetors, UL cylinder kits and Side Valve cylinder kits and replica transmission cases, offering riders and builders reliable solutions for restoration and upgrades. With an emphasis on durability, fit and authenticity, Motorshop supports both custom builds and stock restorations, ensuring superior motorcycle performance and longevity.
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V-Twin - 11-0653 - Nickel Exhaust Valve Seat
Motorshop
MSRP: $44.67$43.78V-Twin - 11-0653 - Nickel Exhaust Valve SeatDescriptionStock replacement exhaust valve seat, nickel type, for Big Twin models. For use with leaded or unleaded gasoline Fits:FLT 1979-1983FX...MSRP: $44.67$43.78 -
V-Twin - 11-0651 - Nickel Intake Valve Seat
Motorshop
MSRP: $44.67$43.78V-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...MSRP: $44.67$43.78 -
V-Twin - 11-0648 - Steel Upper Valve Collar Set
Motorshop
MSRP: $39.40$38.61V-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...MSRP: $39.40$38.61 -
V-Twin - 11-0644 - Upper Valve Collar Set
Motorshop
$49.13V-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...$49.13 -
V-Twin - 11-0643 - Oversize Intake Valve Seat
Motorshop
$31.72V-Twin - 11-0643 - Oversize Intake Valve SeatDescriptionOversize intake valve seat is 2-1/16" x 1.687 x 9/32". Can be used with unleaded gas. Replacement size is actual size of seat, which is...$31.72 -
V-Twin - 11-0642 - Oversize Intake Valve Seat
Motorshop
$31.72V-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...$31.72 -
V-Twin - 11-0637 - 45 inch WL/G Piston Kit Standard
Motorshop
$215.73V-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...$215.73 -
V-Twin - 11-0630 - Chrome Intake Valve
Motorshop
MSRP: $15.86$15.70V-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 -...MSRP: $15.86$15.70 -
V-Twin - 11-0628 - 1000cc Chrome Intake Valve
Motorshop
$24.18V-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 ...$24.18 -
V-Twin - 11-0625 - Stainless Steel Intake Valve
Motorshop
MSRP: $19.86$19.66V-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...MSRP: $19.86$19.66 -
V-Twin - 11-0621 - Lower Rocker Box Cover Hardware
Motorshop
$28.33V-Twin - 11-0621 - Lower Rocker Box Cover HardwareDescriptionEvolution lower rocker cover mounting hardware set includes all correct bolts, allen screws and washers necessary for bolting lower rock...$28.33 -
V-Twin - 11-0618 - 900/1000cc Nitrate Steel Exhaust Valve
Motorshop
MSRP: $15.86$15.70V-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...MSRP: $15.86$15.70 -
V-Twin - 11-0617 - 900/1000cc Nitrate Steel Exhaust Valve
Motorshop
MSRP: $19.86$19.66V-Twin - 11-0617 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve Fits:XL 1958-1985Additional Information OEM No.18080-58A UOM1 - EA ManufacturerMotorshop ...MSRP: $19.86$19.66 -
V-Twin - 11-0614 - Nitrate Steel Exhaust Valve
Motorshop
MSRP: $37.85$37.09V-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...MSRP: $37.85$37.09 -
V-Twin - 11-0609 - 1000cc Nitrate Steel Intake Valve
Motorshop
MSRP: $15.86$15.70V-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 ...MSRP: $15.86$15.70 -
V-Twin - 11-0606 - Nitrate Steel Intake Valve
Motorshop
MSRP: $15.86$15.70V-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 ...MSRP: $15.86$15.70 -
Out of stock
V-Twin - 11-0599 - Solid Tappet Kit Chrome Finish
Motorshop
$401.69V-Twin - 11-0599 - Solid Tappet Kit Chrome FinishDescriptionSifton solid tappet kit includes 4 alloy pushrods, 4 solid lifters with adjuster screw, front and rear chrome tappet blocks with gaskets...$401.69 -
Out of stock
V-Twin - 11-0598 - Knucklehead Tappet Block Kit
Motorshop
$704.25V-Twin - 11-0598 - Knucklehead Tappet Block KitDescriptionRaw Knucklehead tappet block kit includes 4 ground lifters with adjusters and zinc plated tappet blocks.Kit includes rocker arm set, which...$704.25 -
V-Twin - 11-0596 - Solid Tappet Kit Chrome Finish
Motorshop
$372.01V-Twin - 11-0596 - Solid Tappet Kit Chrome FinishDescriptionSifton solid tappet kit chrome includes lifters with adjuster screw, pushrods and tappet blocks.Order correct lifter base screws in either...$372.01 -
Out of stock
V-Twin - 11-0595 - 883cc to 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$648.01V-Twin - 11-0595 - 883cc to 1200cc Cylinder and Piston Conversion Kit BlackDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders...$648.01 -
Out of stock
V-Twin - 11-0593 - Hydraulic Tappet Block Kit Zinc Finish
Motorshop
$525.45V-Twin - 11-0593 - Hydraulic Tappet Block Kit Zinc FinishDescriptionSifton zinc hydraulic tappet block kit includes 4 hydraulic lifter tappets, 4 hydraulic tappet units, 4 pushrods and a tappet block...$525.45 -
V-Twin - 11-0592 - Hydraulic Tappet Block Kit Chrome Finish
Motorshop
$443.53V-Twin - 11-0592 - Hydraulic Tappet Block Kit Chrome FinishDescriptionSifton hydraulic lifter and pushrod assembly for 1966-1984 Big Twin, chrome finish, shovel type, includes 4 hydraulic lifter...$443.53 -
Out of stock
V-Twin - 11-0591 - Hydraulic Tappet Block Kit Zinc Finish
Motorshop
$487.85V-Twin - 11-0591 - Hydraulic Tappet Block Kit Zinc FinishDescriptionSifton zinc hydraulic tappet block kit includes 4 hydraulic lifter tappets, 4 hydraulic tappet units, 4 pushrods and a tappet block...$487.85 -
V-Twin - 11-0590 - Hydraulic Tappet Block Kit Chrome Finish
Motorshop
$535.56V-Twin - 11-0590 - Hydraulic Tappet Block Kit Chrome FinishDescriptionSifton hydraulic lifter and pushrod assembly includes 4 hydraulic lifter tappets, 4 hydraulic lifter units, 4 adjustable pushrods...$535.56 -
V-Twin - 11-0589 - 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$713.81V-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...$713.81 -
Out of stock
V-Twin - 11-0588 - Solid Tappet Alloy Block Kit
Motorshop
$361.53V-Twin - 11-0588 - Solid Tappet Alloy Block KitDescriptionSifton solid tappet block kit alloy includes lifters with adjuster screw, pushrods and lifter blocks. Fits:XL 1957-1985Additional Information...$361.53 -
V-Twin - 11-0585 - Rocker Box Chrome D-Ring Set
Motorshop
$67.58V-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 ...$67.58 -
V-Twin - 11-0578 - Rocker Box Assembly Polished Finish
Motorshop
$649.74V-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...$649.74 -
V-Twin - 11-0577 - Rocker Box Assembly Chrome Finish
Motorshop
$802.53V-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,...$802.53 -
V-Twin - 11-0575 - Knucklehead Tappet Block Set
Motorshop
$330.07V-Twin - 11-0575 - Knucklehead Tappet Block SetDescriptionKnucklehead tappet block set features cast iron constructionOver 500 pairs sold since 1999! Zinc plating may be painted or dulled to look...$330.07 -
V-Twin - 11-0572 - Rocker Arm and Shaft Kit
Motorshop
$246.73V-Twin - 11-0572 - Rocker Arm and Shaft KitDescriptionSifton rocker arm and shaft kit includes 4 rocker arms and 4 shafts.Kit includes bushings which are already sized to fit the shafts. Fits:FLT...$246.73 -
V-Twin - 11-0565 - 1200cc Cylinder and Piston Conversion Kit Silver
Motorshop
$713.81V-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...$713.81 -
V-Twin - 11-0558 - Rocker Arm Ball Stud
Motorshop
MSRP: $45.33$44.42V-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 ...MSRP: $45.33$44.42 -
V-Twin - 11-0540 - Standard Rocker Arm Shaft
Motorshop
$153.89V-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...$153.89 -
V-Twin - 11-0534 - Shovelhead Rocker Box Cover Set Chrome
Motorshop
$739.62V-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...$739.62 -
V-Twin - 11-0533 - 88 inch Evolution Big Bore Cylinder Black
Motorshop
$345.44V-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...$345.44 -
V-Twin - 11-0532 - 88 inch Evolution Big Bore Cylinder Silver
Motorshop
$270.68V-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...$270.68 -
V-Twin - 11-0531 - Intake Valve Oiler
Motorshop
$22.96V-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 ...$22.96 -
V-Twin - 11-0530 - Intake Valve Oiler
Motorshop
MSRP: $22.30$20.85V-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 ...MSRP: $22.30$20.85 -
Out of stock
V-Twin - 11-0529 - Rocker Arm Front Exhaust Rear Intake
Motorshop
$54.91V-Twin - 11-0529 - Rocker Arm Front Exhaust Rear IntakeDescriptionReplica rocker arm only for front exhaust and rear intake. Fits:FL 1948-1965Additional Information OEM No.17375-48 UOM1 - EA ...$54.91
Motorshop Premium Restoration Systems – Vintage Motorcycle Parts, Performance Components & Engine Hardware
Motorshop is a premier source for high-quality vintage motorcycle parts and engine components, catering to riders and builders who demand reliability and authenticity. The brand’s catalog includes WL, M51 and M88 Linkert carburetors, ULH and Side Valve cylinder kits and authentic replica transmission cases, providing precision-engineered solutions for classic Harley-Davidson and Indian motorcycles. Each component is designed for exact fit and long-term performance, supporting both restoration and performance improvements.
Beyond carburetors and cylinder kits, Motorshop offers a wide selection of essential motorcycle engine parts, including clutch hubs, kick starter assemblies, primary drive covers and transmission top covers. These parts are engineered to improve reliability, enhance performance and maintain the original appearance of vintage motorcycles. Builders and riders trust Motorshop for components that meet strict quality standards and provide long-lasting service under demanding conditions.
Riders rely on Motorshop to upgrade or restore classic motorcycles with confidence. From replica Linkert carburetors to complete cylinder kits, replica primary covers and motorcycle transmission components, the brand ensures parts are durable, precise and performance-oriented. Whether restoring a historic motorcycle, creating a custom classic or maintaining dependable daily performance, Motorshop offers components that unite heritage craftsmanship with modern engineering. Each product supports smooth operation, improved power delivery and authentic vintage styling, making Motorshop a trusted choice for motorcycle enthusiasts worldwide.