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 - 12-1550 - Breather Gear Valve Washer Set
Motorshop
$34.18V-Twin - 12-1550 - Breather Gear Valve Washer SetDescriptionBreather gear valve washer set includes 6 sizes: .070, .075, .080, .085, .090 and .095. Fits:EL 1936-1952FL 1941-1952Additional Information...$34.18 -
V-Twin - 12-1547 - Cam Ball Bearing Set
Motorshop
$54.47V-Twin - 12-1547 - Cam Ball Bearing SetDescriptionThis 4 piece cam ball bearing set is for use on WR type conversions on 45 models. Cam center shaft must be turned down to accept ball bearings.*NOTE:...$54.47 -
V-Twin - 12-1545 - Cadmium Plated Replica Oil Pump Cover
Motorshop
$147.17V-Twin - 12-1545 - Cadmium Plated Replica Oil Pump CoverDescriptionCadmium plated Replica cast cover is to replace original with oil line fitting. Fits:EL 1936-1940Additional Information OEM No...$147.17 -
V-Twin - 12-1544 - Left Side Crankcase Bearing Kit
Motorshop
MSRP: $78.22$77.43V-Twin - 12-1544 - Left Side Crankcase Bearing KitDescriptionLeft side crankcase bearing kit. Includes bearing, spacer , washer and snap ring.*NOTE: Heavy duty main bearing for left side use only on...MSRP: $78.22$77.43 -
V-Twin - 12-1542 - Cam Chest Oil Strainer Kit
Motorshop
$30.20V-Twin - 12-1542 - Cam Chest Oil Strainer KitDescriptionCam chest oil strainer kit includes strainer, gasket, and pin. Fits:WL 1937-1952K 1954-1956G 1937-1973XL 1957-1976Additional Information UOM1...$30.20 -
Out of stock
V-Twin - 12-1541 - Cam Chest Breather Kit
Motorshop
$45.05V-Twin - 12-1541 - Cam Chest Breather KitDescriptionCam chest breather kit includes cam chest breather deflector pinion shaft breather seal spring, breather pipe, and oil transfer valve. Fits:XL...$45.05 -
V-Twin - 12-1540 - Cam Chest Breather Gear Kit
Motorshop
$92.10V-Twin - 12-1540 - Cam Chest Breather Gear KitDescriptionCam chest breather gear kit is constructed of precision ground steel with screen installed. Kit includes 8 piece steel thrust washer set...$92.10 -
V-Twin - 12-1537 - Cam Chest Steel Breather Gear
Motorshop
$82.40V-Twin - 12-1537 - Cam Chest Steel Breather GearDescriptionCam chest breather gear, made of steel.Order washers separately. Fits:FX 1977-1984FXD 1977-1998FLST 1977-1998FLT 1977-1998FL 1977-1984FXST...$82.40 -
Out of stock
V-Twin - 12-1536 - Cam Chest Breather Valve Kit Standard Size
Motorshop
$110.50V-Twin - 12-1536 - Cam Chest Breather Valve Kit Standard SizeDescriptionThis standard size sifton cam chest breather valve kit is constructed of precision ground steel with screen installed.Kit...$110.50 -
V-Twin - 12-1525 - Pinion Shaft Seal Ring
Motorshop
MSRP: $22.30$20.85V-Twin - 12-1525 - Pinion Shaft Seal RingDescriptionPinion shaft seal ring. Fits:FL 1940-1953Additional Information UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages489MSRP: $22.30$20.85 -
V-Twin - 12-1522 - Tappet Oil Screen
Motorshop
$35.34V-Twin - 12-1522 - Tappet Oil ScreenDescriptionTappet oil screen is exact replacement OEM 24975-52 Fits:FL 1952-1962Additional Information OEM No.24975-52 UOM1 - EA ManufacturerMotorshop ...$35.34 -
V-Twin - 12-1520 - Pinion Shaft Gear Spacer
Motorshop
$22.96V-Twin - 12-1520 - Pinion Shaft Gear SpacerDescriptionPinion shaft gear spacer fits early Big Twin models. Fits:FL 1940-1953Additional Information OEM No.24703-40 UOM5 - PK MeasurementsAdditional...$22.96 -
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...$36.59 -
V-Twin - 12-1512 - Cam Chest Oil Strainer
Motorshop
$30.20V-Twin - 12-1512 - Cam Chest Oil StrainerDescriptionCam chest oil strainer Fits:K 1952-1956Additional Information OEM No.24975-37 UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog...$30.20 -
V-Twin - 12-1511 - Engine Cam Oil Transfer Valve
Motorshop
$24.83V-Twin - 12-1511 - Engine Cam Oil Transfer ValveDescriptionEngine cam oil transfer breather valve. Fits:XL 1957-1976Additional Information OEM No.25075-55 UOM1 - EA ManufacturerMotorshop ...$24.83 -
V-Twin - 12-1510 - Cam Chest Breather Valve Washer Set
Motorshop
$32.31V-Twin - 12-1510 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set includes 8 sizes: .110, .115, .120, .125, .130, .135, .140, .145. Washer set is made of steel and...$32.31 -
V-Twin - 12-1509 - Cam Chest Breather Valve Washer Set
Motorshop
$31.45V-Twin - 12-1509 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set is made of steel. Kit 1 each of the following: .110, .115, .120, and .125 washers.Set of four...$31.45 -
V-Twin - 12-1505 - Sifton Oil Pump Drive Gear Kit
Motorshop
$85.50V-Twin - 12-1505 - Sifton Oil Pump Drive Gear KitDescriptionSifton high flow pinion shaft oil pump drive gear for 1939- 1953 Overhead Valve Big Twins. 6 tooth gear increases oil flow rate by...$85.50 -
V-Twin - 12-1504 - Scavenger Pump Rebuild Kit
Motorshop
$163.57V-Twin - 12-1504 - Scavenger Pump Rebuild KitDescriptionScavenger pump rebuild kit.Scavenger pump rebuild kit includes a parkerized oil pump mount kit, scavenger oil pump gear, oil pump retainer half...$163.57 -
Out of stock
V-Twin - 12-1502 - Distributor Drive Gear
Motorshop
$109.36V-Twin - 12-1502 - Distributor Drive GearDescriptionDistributor drive gear features an overall width of 1.7750". Includes inner and outer pressed in bushings. Fits:FL 1941-1969EL 1936-1952Additional...$109.36 -
V-Twin - 12-1499 - Reverse Circuit Breaker Gear Kit
Motorshop
$326.44V-Twin - 12-1499 - Reverse Circuit Breaker Gear KitDescriptionReverse rotation circuit breaker gear kit. Fits:FL 1941-1969EL 1936-1952Additional Information UOM1 - KIT ManufacturerMotorshop ...$326.44 -
V-Twin - 12-1498 - Timer Gear with Pin
Motorshop
$109.93V-Twin - 12-1498 - Timer Gear with PinDescriptionReverse counter clockwise rotation circuit breaker timer gear allows use of any electronic type single or dual fire late type ignitions to be...$109.93 -
V-Twin - 12-1497 - Reverse Circuit Breaker Gear
Motorshop
$287.82V-Twin - 12-1497 - Reverse Circuit Breaker GearDescriptionReverse rotation circuit breaker drive gear and timer gear. Counter clockwise rotation gears allow use of any electronic type single or dual...$287.82 -
V-Twin - 12-1496 - Oil Pump Drive Gear
Motorshop
MSRP: $72.13$71.41V-Twin - 12-1496 - Oil Pump Drive GearDescriptionSifton high flow pinion shaft oil pump drive gear is for 1939-1953 Overhead Valve Big Twins. This 6 tooth gear increases oil flow rate by...MSRP: $72.13$71.41 -
V-Twin - 12-1492 - Sifton Brand Cam Chest Idler Gear
Motorshop
$62.24V-Twin - 12-1492 - Sifton Brand Cam Chest Idler GearDescriptionSifton brand cam chest idler gear as used at our Motor Shop.*NOTE: Bushings my require reaming to fit the idler and circuit breaker...$62.24 -
V-Twin - 12-1491 - Replica Cam Chest Idler Gear with Holes
Motorshop
$90.99V-Twin - 12-1491 - Replica Cam Chest Idler Gear with HolesDescriptionReplica cam chest idler gear with holes includes pressed in bushing. Features precision gear grinding.*NOTE: Bushings my require...$90.99 -
V-Twin - 12-1490 - Oil Pump Check Valve Kit
Motorshop
$66.20V-Twin - 12-1490 - Oil Pump Check Valve KitDescriptionCheck valve kit includes ball, spring and cap. Fits:FX 1971-1980FL 1941-1955EL 1936-1940Additional Information UOM1 - KIT ManufacturerMotorshop...$66.20 -
V-Twin - 12-1489 - Oil Pump Check Valve Kit
Motorshop
$32.31V-Twin - 12-1489 - Oil Pump Check Valve KitDescriptionCheck valve kit for 1956-1965 Big Twin Fits:FL 1956-1965Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog...$32.31 -
V-Twin - 12-1488 - Replica Oil Pressure Switch Fitting
Motorshop
$24.83V-Twin - 12-1488 - Replica Oil Pressure Switch FittingDescriptionReplica oil pressure switch fitting is precision machined. Fits:XL 1957-1976Additional Information OEM No.26420-57 UOM1 - EA ...$24.83 -
V-Twin - 12-1487 - Oil Pump Check Valve Kit
Motorshop
$32.31V-Twin - 12-1487 - Oil Pump Check Valve KitDescriptionCheck valve kit include ball, spring and cap. Fits:FLT 1981-1998FXD 1991-1999FXR 1982-1994FL 1981-1984FLST 1986-1998FX 1981-1984Additional...$32.31 -
V-Twin - 12-1486 - Oil Pump Relief Valve Kit
Motorshop
$45.05V-Twin - 12-1486 - Oil Pump Relief Valve KitDescriptionOil pump relief valve kit includes spring, plug and valve. Fits:FLT 1981-1998FXD 1991-1999FXR 1982-1994FL 1981-1984FLST 1986-1998FX...$45.05 -
Out of stock
V-Twin - 12-1485 - Oil Pump Relief Valve Kit
Motorshop
$45.05V-Twin - 12-1485 - Oil Pump Relief Valve KitDescriptionOil pump relief valve kit includes spring, plug and valve.THe relieft valve piston diameter measures 0.435". Fits:FL 1973-1980FX...$45.05 -
V-Twin - 12-1484 - Oil Pump Relief Valve Kit
Motorshop
$55.51V-Twin - 12-1484 - Oil Pump Relief Valve KitDescriptionOil pump relief valve kit includes spring, plug and valve. Fits:FL 1968-1972FX 1971-1972Additional Information UOM1 - KIT ...$55.51 -
V-Twin - 12-1482 - Replica Oil Pump Cover
Motorshop
$138.49V-Twin - 12-1482 - Replica Oil Pump CoverDescriptionThis is a Replica cast cover to replace original with oil line fitting. Fits:EL 1936-1940Additional Information OEM No.282-36 UOM1 - EA ...$138.49 -
V-Twin - 12-1481 - Oil Pump C-Check Valve Kit
Motorshop
$66.20V-Twin - 12-1481 - Oil Pump C-Check Valve KitDescriptionC-Check valve kit includes cap, spring and ball. Fits:FL 1941-1955EL 1937-1940Additional Information UOM1 - KIT ManufacturerMotorshop ...$66.20 -
V-Twin - 12-1480 - Oil Pump Gasket and Hardware Kit
Motorshop
$99.33V-Twin - 12-1480 - Oil Pump Gasket and Hardware KitDescriptionOil pump gasket kit paper type includes gaskets, seals, snap ring, balls and keys. Fits:EL 1936-1940Additional Information UOM1 - KIT ...$99.33 -
Out of stock
V-Twin - 12-1479 - Distributor Drive Cam Gear with Holes
Motorshop
$150.63V-Twin - 12-1479 - Distributor Drive Cam Gear with HolesDescriptionDistributor drive cam gear with holes.*NOTE: When installing drive gear, first check the fitment of the side drive circuit breaker...$150.63 -
V-Twin - 12-1478 - Oil Pump Bypass Valve Kit
Motorshop
MSRP: $67.13$66.46V-Twin - 12-1478 - Oil Pump Bypass Valve KitDescriptionOil pump bypass valve kit includes spring, plug and screw. Fits:UL 1937-1948G 1941-1973WL 1941-1952VL 1933-1936Additional Information UOM1 -...MSRP: $67.13$66.46 -
V-Twin - 12-1477 - Oil Pump Bypass Kit Parkerized
Motorshop
$48.38V-Twin - 12-1477 - Oil Pump Bypass Kit ParkerizedDescriptionOil pump bypass kit features a parkerized finish. kit includes spring, plug and valve. Fits:FL 1941-1953EL 1937-1940Additional Information ...$48.38 -
V-Twin - 12-1476 - Replica Oil Pump Adjuster Screw
Motorshop
MSRP: $22.30$20.85V-Twin - 12-1476 - Replica Oil Pump Adjuster ScrewDescriptionReplica oil pump adjuster screw is the short style with a slotted head for 1932-1949 models. Fits:UL 1937-1948W 1933-1949G 1933-1949VL...MSRP: $22.30$20.85
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.