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Engine

Use this Engine collection to narrow down suitable products for Harley-Davidson, American V-twin and compatible motorcycle applications. The selection includes options relating to engine components, subject to current availability. For an accurate match, compare the product’s stated fitment and dimensions with your motorcycle or equipment.

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£181.05
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Jims Pinion Shaft Bushing. +.005" – 1940–1954 OHV Big Twin

Only 1 left!

Jims Pinion Shaft Bushing. +.005" – 1940–1954 OHV Big Twin Steel. In crankcase. Standard O.D. is 2.0015". Fitment 40-54 OHV Big Twin (NU) Product D...

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£181.05
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£181.05
£178.52
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£178.52
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£157.78
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£155.58

Jims Pinion Shaft Bushing. Std. Size – 1940–1954 OHV Big Twin

Only 1 left!

Jims Pinion Shaft Bushing. Std. Size – 1940–1954 OHV Big Twin Steel. In crankcase. 2.0015" O.D. Fitment 40-54 OHV Big Twin (NU) Product Details B...

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£157.78
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£157.78
£155.58
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£155.58
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£44.35
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£43.73
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£43.73

Jims Camshaft Bushing, Outer. STD – 1952–2022 K; XL Sportster: #1;3;4 Cam.…

Only 3 left!

Jims Camshaft Bushing, Outer. STD – 1952–2022 K; XL Sportster: #1;3;4 Cam.… Outer diameter .9405". Used in the cam cover. Tech tip: Cam cover bushi...

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£44.35
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£44.35
£43.73
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£43.73
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£48.99
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£48.29
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£48.29

Jims Camshaft Bushing, Inner. STD. 36-57 OHV – 1936–1947 Knucklehead; 1948–1957 Panhead

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Jims Camshaft Bushing, Inner. STD. 36-57 OHV – 1936–1947 Knucklehead; 1948–1957 Panhead 1.0035" outside diameter. Fitment 36-47 Knucklehead; 48-57 ...

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£48.99
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£48.99
£48.29
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£48.29
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£186.66
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£184.06
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£184.06

Jims Pinion Shaft Bushing. +.005" – 1957–1976 XL Sportster

Only 3 left!

Jims Pinion Shaft Bushing. +.005" – 1957–1976 XL Sportster Steel. In crankcase. Standard O.D. 1.7515". Fitment 57-76 XL Sportster (NU) Product Deta...

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£186.66
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£186.66
£184.06
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£166.08
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£163.76
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£163.76

Jims Pinion Shaft Bushing. Std. Size – 1957–1976 XL Sportster

Only 3 left!

Jims Pinion Shaft Bushing. Std. Size – 1957–1976 XL Sportster Steel. In crankcase. Standard O.D. 1.7515". Fitment 57-76 XL Sportster (NU) Product D...

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£166.08
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£166.08
£163.76
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£163.76
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£46.73
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£46.73
£46.07
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Jims Camshaft Bushing, Outer. +.005" OD – 1957–1990 XL Sportster; 1937–1973 45"…

Only 2 left!

Jims Camshaft Bushing, Outer. +.005" OD – 1957–1990 XL Sportster; 1937–1973 45"… For #2 cam. Outer diameter 1.3780". Used in the cam cover. Oversiz...

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£46.73
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£46.07
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£46.07
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£46.73
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Jims Camshaft Bushing, Outer. STD – 1957–1990 XL Sportster; L1959–1973 45"…

Only 3 left!

Jims Camshaft Bushing, Outer. STD – 1957–1990 XL Sportster; L1959–1973 45"… For #2 cam. Outer diameter 1.3775". Used in the cam cover. Tech tip: Ca...

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£46.73
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Jims Pinion Shaft Kit. 73-E81 B.T – 73-E81 Shovelhead

Only 1 left!

Jims Pinion Shaft Kit. 73-E81 B.T – 73-E81 Shovelhead End oiling. Same as MCS 518026 JIMS pinion shaft; but complete as kit. This kit includes all ...

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£227.69
£229.43
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£229.43
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£159.77
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£159.77
£157.54
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£157.54

Jims Pinion Shaft. 73-E81 B.T – 73-E81 Shovelhead

Only 3 left!

Jims Pinion Shaft. 73-E81 B.T – 73-E81 Shovelhead Fits 73-E81 B.T. models. Use 23985-12 key (MCS 517945) for flywheel side and use 23985-54 key (MC...

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£159.77
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£159.77
£157.54
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£157.54
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£23.68
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£23.68
£22.54
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£22.54

MCS Flywheel Thrust Washer Set, Steel (0.065" Thick) – 1929–1973 45" Flathead

Only 3 left!

MCS Flywheel Thrust Washer Set, Steel (0.065" Thick) – 1929–1973 45" Flathead For use with steel retainers; fits between connecting rods and flywhe...

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£23.68
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£23.68
£22.54
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MCS Flywheel Thrust Washers, Steel (0.60" Thick) – 1936–1941 61" Knucklehead; 1948–1952 61"…

Only 1 left!

MCS Flywheel Thrust Washers, Steel (0.60" Thick) – 1936–1941 61" Knucklehead; 1948–1952 61"… For use with steel retainers; fits between connecting ...

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£23.68
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£23.68
£22.54
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£23.68
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MCS Flywheel Thrust Washers, Steel (0.55" Thick) – 1936–1941 61" Knucklehead; 1948–1952 61"…

Only 3 left!

MCS Flywheel Thrust Washers, Steel (0.55" Thick) – 1936–1941 61" Knucklehead; 1948–1952 61"… For use with steel retainers; fits between connecting ...

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£23.68
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£23.68
£22.54
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£22.54
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£21.84
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MCS Flywheel Thrust Washer Set, Steel (.055" Thick) – 1941–1948 74" (1200cc) Knucklehead…

Only 3 left!

MCS Flywheel Thrust Washer Set, Steel (.055" Thick) – 1941–1948 74" (1200cc) Knucklehead… For use with steel retainers; fits between connecting rod...

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£21.84
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£20.79
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£20.79
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£20.02
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£20.02
£19.07
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£19.07

MCS Flywheel Thrust Washer Set, Steel (0.72" Thick) – 1957–1971 XL Sportster

Only 3 left!

MCS Flywheel Thrust Washer Set, Steel (0.72" Thick) – 1957–1971 XL Sportster For use with steel retainers; fits between connecting rods and flywhee...

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£20.02
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£20.02
£19.07
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£19.07
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£7.22
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£7.22
£6.88
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£6.88

MCS Lock Kit, Crank Pin – 54-E81 Big Twin

Only 5 left!

MCS Lock Kit, Crank Pin – 54-E81 Big Twin Lock kit, crank pin Fitment 54-E81 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS >...

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£7.22
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£7.22
£6.88
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£6.88
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£162.05
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£162.05
£144.05
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£144.05

Jims 15-73 Tappet Adjusting Screw Kit – 1915-1973 45"; 74"; 80" Flatheads…

Only 2 left!

Jims 15-73 Tappet Adjusting Screw Kit – 1915-1973 45"; 74"; 80" Flatheads… 9/32-32 threaded. Fits as stock replacement and all other tappets that a...

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£162.05
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£144.05
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£67.93
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£62.19
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Jims 57-85 Tappet Adjusting Screws – 1957–1985 XL Sportster with 9/32-32…

Only 2 left!

Jims 57-85 Tappet Adjusting Screws – 1957–1985 XL Sportster with 9/32-32… With 5/16" ball-end. 9/32"-32 threaded. Fits JIMS; OEM 18508-52B and any ...

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£67.93
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£67.93
£62.19
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£114.16
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£114.16
£102.99
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£102.99

Jims 36-52 Chromoly Tappet Adjusting Screw Kit – 1936–1947 Knucklehead; 1948–1952…

Out of stock

Jims 36-52 Chromoly Tappet Adjusting Screw Kit – 1936–1947 Knucklehead; 1948–1952… 4340 chromoly steel. With 3/8" ball end and 9/32"-32 threaded. O...

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£114.16
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£102.99
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£204.32
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£178.91
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Jims 4340 Chromoly Steel Tappet Screws. Special – 1936–1952 Knuckle; Panhead and All…

Only 2 left!

Jims 4340 Chromoly Steel Tappet Screws. Special – 1936–1952 Knuckle; Panhead and All… 4340 chromoly steel. Screw has oil hole drilled through the c...

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£204.32
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£178.91
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£44.58
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Jims 29-85 Tappet Roller Repair Kit – 1929–1985 All H-D

Only 3 left!

Jims 29-85 Tappet Roller Repair Kit – 1929–1985 All H-D Complete reproduction tappet rollers with needle bearings and axles. Repl. 18534-29A. Tech ...

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£44.35
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£44.35
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James Gaskets Evo Cyl. Head & Base Gasket Kit. .062" Firering – 1984–1999 Evo Big Twin; 1986–2022 Evo XL…

Only 3 left!

James Gaskets Evo Cyl. Head & Base Gasket Kit. .062" Firering – 1984–1999 Evo Big Twin; 1986–2022 Evo XL… 3-5/8" big bore. Kit to service one e...

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£47.94
£48.30
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£171.81
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£169.41
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Jims 36-52 Crankpin. STD – 1936–1947 61" (1000cc) Knuckle…

Only 3 left!

Jims 36-52 Crankpin. STD – 1936–1947 61" (1000cc) Knuckle… Standard O.D. 1.249". 1-hole design for stock flywheels. Use JIMS 978250 crankpin nuts a...

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£171.81
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£169.41
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£169.41
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£142.23
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£142.23
£123.78
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£123.78

MCS 84-99 Tappet Block Set Front/Rear. Black – 1984–1999 Evo Big Twin

Only 1 left!

MCS 84-99 Tappet Block Set Front/Rear. Black – 1984–1999 Evo Big Twin Black painted cast aluminum lifter block set. OEM style. Repl. 18622-85B rear...

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£142.23
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£123.78
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