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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Out of stock
V-Twin - 17-2833 - 4-Speed Mainshaft Assembly
Motorshop
$382.12V-Twin - 17-2833 - 4-Speed Mainshaft AssemblyDescriptionTransmission mainshaft 4-speed.Mainshaft assembly includes a 4-speed transmission 11-3/4" long mainshaft,mainshaft bearing lock tab,...$382.12 -
V-Twin - 17-2539 - Jockey FL Transmission Assembly
Motorshop
$2,425.83V-Twin - 17-2539 - Jockey FL Transmission AssemblyDescription4-speed jockey transmission assembly is fully assembled with jockey top, without neutral switch. Kick cover is a cast replica with a black...$2,425.83 -
Out of stock
V-Twin - 17-2535 - Replica 4-Speed Transmission Assembly
Motorshop
$2,165.59V-Twin - 17-2535 - Replica 4-Speed Transmission AssemblyDescriptionReplica 4-speed transmission assembly features a natural finish. Assembly includes FLH ratchet top and polished kick starter cover...$2,165.59 -
V-Twin - 17-2533 - Replica 4-Speed Transmission
Motorshop
$2,019.27V-Twin - 17-2533 - Replica 4-Speed TransmissionDescriptionReplica 4 speed transmission is fully assembled. Includes a polished kick starter cover with a chrome offset arm and spring.Replica 4-speed...$2,019.27 -
Out of stock
V-Twin - 17-2525 - 4-Speed FL Transmission Assembly
Motorshop
$2,019.27V-Twin - 17-2525 - 4-Speed FL Transmission AssemblyDescriptionBig Twin 4 speed transmission assembly includes the kick starter cover kit installed, ratchet top installed with shift fork set.4-speed...$2,019.27 -
Out of stock
V-Twin - 17-2521 - Replica 4-Speed Ratchet Type Transmission
Motorshop
$2,497.44V-Twin - 17-2521 - Replica 4-Speed Ratchet Type TransmissionDescriptionReplica 4-speed transmission is ratchet type, fits electric start inner primary and is for 1:1 ratio speedometers. The ratchet...$2,497.44 -
Out of stock
V-Twin - 17-2515 - 4-Speed Transmission Assembly
Motorshop
$2,863.47V-Twin - 17-2515 - 4-Speed Transmission AssemblyDescription4-speed FL transmission assembly features a natural aluminum finish. Includes chrome kick starter cover and mid length mainshaft. Fits:FL...$2,863.47 -
V-Twin - 17-2500 - Replica 4-Speed Jockey Transmission
Motorshop
$2,019.27V-Twin - 17-2500 - Replica 4-Speed Jockey TransmissionDescriptionReplica 4-speed transmission is jockey type with kicker cover. Aluminum kick starter cover features a natural finish. Kicker arm and...$2,019.27 -
V-Twin - 17-2126 - Kick Starter Pedal and Axle Assembly
Motorshop
MSRP: $23.86$18.37V-Twin - 17-2126 - Kick Starter Pedal and Axle AssemblyDescriptionKick starter pedal and axle assembly with a parkerized finish. Fits:FL 1941-1984Additional Information UOM1 - EA ...MSRP: $23.86$18.37 -
V-Twin - 17-2125 - Chrome Transmission Shaft Cover
Motorshop
MSRP: $49.88$44.44V-Twin - 17-2125 - Chrome Transmission Shaft CoverDescriptionChrome transmission shaft cover is for 4-speed Big Twin models. Fits:FX 1979-1984FL 1979-1984Additional Information OEM No.33174-79C ...MSRP: $49.88$44.44 -
V-Twin - 17-2124 - Replica Spool Kick Starter Pedal Chrome
Motorshop
MSRP: $39.67$32.40V-Twin - 17-2124 - Replica Spool Kick Starter Pedal ChromeDescriptionReplica spool chrome kicker pedalOrder bolt kit separately. Fits:UL 1937-1948K 1952-1956XL 1957-1979FX 1971-1984EL 1936-1940FL...MSRP: $39.67$32.40 -
V-Twin - 17-2123 - Kick Starter Pedal Shaft
Motorshop
MSRP: $22.30$17.17V-Twin - 17-2123 - Kick Starter Pedal ShaftDescriptionPedal shaft onlyShaft includes metal pads with barbs installed with bolt kit. Order rubber and mount kit separately. Fits:UL 1937-1948K...MSRP: $22.30$17.17 -
Out of stock
V-Twin - 17-2122 - Transmission Hardware Kit Rotary Top
Motorshop
MSRP: $73.03$63.62V-Twin - 17-2122 - Transmission Hardware Kit Rotary TopDescriptionTransmission hardware kit is rotary top type includes all locks, springs, keys, retaining rings and clips for all 4- speeds. Fits:FX...MSRP: $73.03$63.62 -
V-Twin - 17-2121 - Transmission Shifter Fork Lock Nut Kit
Motorshop
MSRP: $22.33$18.91V-Twin - 17-2121 - Transmission Shifter Fork Lock Nut KitDescriptionShifter fork lock nut kit includes 2 nuts and 2 locks for 3 and 4-speed transmissions. Fits:UL 1937-1948EL 1936-1940FL 1941-1984FX...MSRP: $22.33$18.91 -
Out of stock
V-Twin - 17-2120 - Transmission Hardware Kit Ratchet Top
Motorshop
MSRP: $78.18$73.79V-Twin - 17-2120 - Transmission Hardware Kit Ratchet TopDescriptionTransmission hardware kit ratchet type includes locks, springs, keys, retaining rings and clips for all 4-speeds. Fits:FX...MSRP: $78.18$73.79 -
Out of stock
V-Twin - 17-1964 - 45 inch 3-Speed Reverse Transmission Assembly
Motorshop
$2,486.85V-Twin - 17-1964 - 45 inch 3-Speed Reverse Transmission AssemblyDescription45" transmission assembly 3-speed with a reverse idler gear, sprocket, kick start cover, clutch hub nut and clutch throw out...$2,486.85 -
V-Twin - 17-1954 - 4-Speed FL Transmission Assembly
Motorshop
$2,019.18V-Twin - 17-1954 - 4-Speed FL Transmission AssemblyDescriptionTransmission assembly features cast kick cover with a two piece offset kick starter arm as used on 1954-64 FL models.Transmission top is...$2,019.18 -
V-Twin - 17-1926 - RL Clutch Hub Lock Tab Set
Motorshop
MSRP: $44.70$39.82V-Twin - 17-1926 - RL Clutch Hub Lock Tab SetDescriptionRL clutch hub lock tab set features a raw finish.Sold as a pair. Fits:RL 1933-1940Additional Information OEM No.2530-33 UOM1 - SET ...MSRP: $44.70$39.82 -
Out of stock
V-Twin - 17-1900 - Complete FL Transmission Assembly 4-Speed
Motorshop
$2,429.68V-Twin - 17-1900 - Complete FL Transmission Assembly 4-SpeedDescriptionComplete FL transmission assembly is 4-speed. Includes FL ratio gear and Sifton kick cover arm installed.Replica 4-speed...$2,429.68 -
V-Twin - 17-1875 - 3rd and 4th Countershaft Gear Cluster
Motorshop
MSRP: $148.21$143.79V-Twin - 17-1875 - 3rd and 4th Countershaft Gear ClusterDescription2023 New Production 3rd and 4th countershaft gear cluster is a stock ratio gear set with 15 x 17 tooth gears. Fits:UL 1937-1948EL...MSRP: $148.21$143.79 -
V-Twin - 17-1870 - Transmission Case Vent Screw Cadmium
Motorshop
MSRP: $10.88$8.98V-Twin - 17-1870 - Transmission Case Vent Screw CadmiumDescriptionCadmium transmission case vent screw. Fits:UL 1937-1948FX 1971-1984EL 1936-1940FL 1941-1984Additional Information OEM No.34720-56 ...MSRP: $10.88$8.98 -
V-Twin - 17-1868 - Ratchet Top Casing Raw
Motorshop
MSRP: $187.96$182.35V-Twin - 17-1868 - Ratchet Top Casing RawDescriptionRatchet top casing with the footshift does not have the neutral switch provision. Ratchet top casing is bare and features a natural finish.Covers...MSRP: $187.96$182.35 -
V-Twin - 17-1850 - Retro 4-Speed Transmission
Motorshop
$1,965.04V-Twin - 17-1850 - Retro 4-Speed TransmissionDescriptionRetro 4-speed transmission is fitted with stainless offset kick starter arm and finned kick cover, both by Sifton and unbreakable. Includes...$1,965.04 -
Out of stock
V-Twin - 17-1832 - Kick Starter Ratchet Gear
Motorshop
MSRP: $46.67$41.58V-Twin - 17-1832 - Kick Starter Ratchet GearDescription2025 New Production kick starter ratchet gear is a replica replacement gear for 4-speed models.Our V-Twin 4-speed kick starter ratchet gear is a...MSRP: $46.67$41.58 -
V-Twin - 17-1780 - 2.44 4-Speed Ratio Transmission Assembly
Motorshop
$2,469.08V-Twin - 17-1780 - 2.44 4-Speed Ratio Transmission AssemblyDescription4 speed transmission assembly includes "FX" internals with a 2.44:1 (17 x 20 Teeth) 1st gear set and a ratchet top.*NOTE: Will...$2,469.08 -
V-Twin - 17-1778 - 4-Speed Transmission Natural
Motorshop
$2,019.27V-Twin - 17-1778 - 4-Speed Transmission NaturalDescription4-speed transmission is fully assembled. Includes removable straight kicker arm for FLH applications. First gear features a 3.00:1.00 ratio...$2,019.27 -
Out of stock
V-Twin - 17-1777 - Transmission Case Race Left Side
Motorshop
MSRP: $74.58$64.98V-Twin - 17-1777 - Transmission Case Race Left SideDescriptionLeft side transmission case race for side valve models.Accepts standard rollers. The outer diameter measures .010" oversize of the...MSRP: $74.58$64.98 -
Out of stock
V-Twin - 17-1774 - Transmission Case Race Left Side
Motorshop
MSRP: $74.58$64.98V-Twin - 17-1774 - Transmission Case Race Left SideDescriptionLeft side transmission case race for side valve models.Accepts standard rollers. The outer diameter measures .005" oversize of the...MSRP: $74.58$64.98 -
Out of stock
V-Twin - 17-1769 - 45 inch WL 4-Speed Transmission Ratchet Shifter Gear
Motorshop
MSRP: $81.67$71.15V-Twin - 17-1769 - 45 inch WL 4-Speed Transmission Ratchet Shifter GearDescription45" WL 4-speed transmission ratchet shifter gear features timing mark.For use in 4-speed gear kits. Fits:W...MSRP: $81.67$71.15 -
Out of stock
V-Twin - 17-1768 - JD Kick Starter Gear Set
Motorshop
$533.97V-Twin - 17-1768 - JD Kick Starter Gear SetDescriptionJD 3 piece kick starter gear set is for 3 speed transmissions. Fits:VL 1930-1931V 1930-1931J 1924-1929F 1930-1931JDH 1924-1929JD...$533.97 -
V-Twin - 17-1765 - 4-Speed FL Transmission Assembly
Motorshop
$2,019.27V-Twin - 17-1765 - 4-Speed FL Transmission AssemblyDescription4-speed transmission is fully assembled. Includes 22 tooth countershaft sprocket and removable straight kicker arm for FLH applications...$2,019.27 -
Out of stock
V-Twin - 17-1763 - 45 Transmission Outer Thrust Washer
Motorshop
MSRP: $25.40$21.51V-Twin - 17-1763 - 45 Transmission Outer Thrust WasherDescriptionOuter transmission thrust washer has a outer diameter of 1.1740" for 45 gear conversions to fit 4 speed. Fits:WL 1938-1952G...MSRP: $25.40$21.51 -
Out of stock
V-Twin - 17-1596 - Transmission Bearing Retaining Plate
Motorshop
MSRP: $32.62$27.62V-Twin - 17-1596 - Transmission Bearing Retaining PlateDescription2025 New Production bearing retaining plate features a zinc plated finish. For 4-speed transmission models. Fits:UL 1937-1948FX...MSRP: $32.62$27.62 -
Out of stock
V-Twin - 17-1594 - Belt Drive Super Nut with Seal
Motorshop
MSRP: $31.36$26.57V-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...MSRP: $31.36$26.57 -
Out of stock
V-Twin - 17-1549 - Idler Gear Cover
Motorshop
MSRP: $107.60$100.01V-Twin - 17-1549 - Idler Gear CoverDescriptionIdler gear cover. Fits:FL 1941-1964Additional Information UOM1 - EA ManufacturerMotorshop OriginImportedMSRP: $107.60$100.01 -
Out of stock
V-Twin - 17-1548 - Idler Gear
Motorshop
MSRP: $107.60$100.01V-Twin - 17-1548 - Idler GearDescriptionIdler gear. Fits:FL 1941-1964Additional Information UOM1 - EA ManufacturerMotorshop OriginImportedMSRP: $107.60$100.01 -
Out of stock
V-Twin - 17-1547 - Kick Starter Gear
Motorshop
MSRP: $73.47$64.00V-Twin - 17-1547 - Kick Starter GearDescriptionKick starter gear. Fits:FL 1941-1964Additional Information UOM1 - EA ManufacturerMotorshop OriginImportedMSRP: $73.47$64.00 -
Out of stock
V-Twin - 17-1546 - Kick Starter Shaft
Motorshop
MSRP: $39.89$32.57V-Twin - 17-1546 - Kick Starter ShaftDescriptionKick starter shaft. Fits:FL 1941-1964Additional Information UOM1 - EA ManufacturerMotorshop OriginImportedMSRP: $39.89$32.57 -
V-Twin - 17-1543 - Fold Out Kick Starter Arm Black
Motorshop
MSRP: $84.85$80.07V-Twin - 17-1543 - Fold Out Kick Starter Arm BlackDescriptionFold out kick starter arm features a black finish and accepts standard kick pedal assemblies.Must order pedal assembly separately. Fits:XL...MSRP: $84.85$80.07 -
V-Twin - 17-1542 - Transmission Filler Plug
Motorshop
MSRP: $15.86$13.08V-Twin - 17-1542 - Transmission Filler PlugDescriptionTransmission filler plug with dipstick. Fits:FXR 1982-1986FLT 1980-1986Additional Information OEM No.37071-79 UOM1 - EA ManufacturerMotorshop ...MSRP: $15.86$13.08
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.