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Pre-Evo – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Pre-Evolution classic models.

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£112.80
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Jims Sprocket Shaft. 45" Flathead – 1929–1973 45" (750cc) Flatheads

Only 3 left!

Jims Sprocket Shaft. 45" Flathead – 1929–1973 45" (750cc) Flatheads Sprocket shaft has keyway; use 23985-12 key (MCS 517945). Use 7974 nut (MCS 981...

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£111.22
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£111.22
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£152.07
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£152.07
£149.94
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£149.94

Jims Sprocket Shaft. L81-85 XL – L1981–1985 XL Sportster

Only 3 left!

Jims Sprocket Shaft. L81-85 XL – L1981–1985 XL Sportster Sprocket shaft does not have keyway. Use 23902-81 nut (MCS 923902) on flywheel side. JIMS ...

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£152.07
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£152.07
£149.94
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£149.94
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£152.07
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£152.07
£149.94
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£149.94

Jims Sprocket Shaft. 77-E81 XL – 77-E81 XL Sportster

Only 3 left!

Jims Sprocket Shaft. 77-E81 XL – 77-E81 XL Sportster Sprocket shaft has keyway; use 23985-12 key (MCS 517945). Use nut (MCS 968011) on flywheel sid...

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£152.07
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£152.07
£149.94
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£149.94
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£75.61
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£75.61
£74.55
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£74.55

Jims Rocker Arm Bushing Set – 1984–2017 Big Twin; 1986–2022 XL…

Only 2 left!

Jims Rocker Arm Bushing Set – 1984–2017 Big Twin; 1986–2022 XL… Manufactured from solid bearing bronze bar. .555" I.D. Must be reamed to fit. Not s...

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£75.61
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£75.61
£74.55
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£74.55
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£85.08
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£85.08
£83.88
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£83.88

Jims Rocker Arm Bushing Set – 1966–1984 Shovelhead; 1957–1985 XL…

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Jims Rocker Arm Bushing Set – 1966–1984 Shovelhead; 1957–1985 XL… Manufactured from solid bearing bronze bar. .547" I.D. Must be reamed to fit. Slo...

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£85.08
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£85.08
£83.88
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£83.88
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£127.21
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£127.21
£126.35
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£126.35

MCS Sprocket Shaft Bearing Assembly – 1955–1968 Big Twin

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MCS Sprocket Shaft Bearing Assembly – 1955–1968 Big Twin Sprocket shaft bearing assembly Fitment 55-68 Big Twin (NU) Product Details Brand: MCS ...

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£127.21
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£127.21
£126.35
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£126.35
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£35.87
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£35.87
£33.30
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£33.30

MCS Lower Pushrod Cover Kit. 84-99. Chrome – 1984–1999 Evo Big Twin; 1986–1990 XL…

Only 1 left!

MCS Lower Pushrod Cover Kit. 84-99. Chrome – 1984–1999 Evo Big Twin; 1986–1990 XL… Chrome plated steel. OEM style reproduction. For OEM style o-rin...

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£35.87
£33.30
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£33.30
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£16.37
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£16.37
£15.59
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£15.59

MCS Thrust Washer Camshaft. .095" – 1936–1999 Big Twin

Only 2 left!

MCS Thrust Washer Camshaft. .095" – 1936–1999 Big Twin Shims used to achieve correct cam end-play. Approx. dimensions: 1.062" OD; .820" ID. Fitment...

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£16.37
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£16.37
£15.59
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£15.59
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£164.74
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£164.74
£162.44
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£162.44

Jims Pinion Shaft. L81-99 B.T. - Special

Only 3 left!

Jims Pinion Shaft. L81-99 B.T. - Special Fits L81-99 Evo B.T. with aftermarket flywheels equipped with 73-89 style oil pump & pinion gears. Sam...

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£164.74
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£164.74
£162.44
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£162.44
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£159.77
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£159.77
£157.54
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£157.54

Jims Pinion Shaft. 87-89 B.T – 1987–1989 Big Twin

Only 3 left!

Jims Pinion Shaft. 87-89 B.T – 1987–1989 Big Twin Use 24016-80 JIMS nut (MCS 978261) for flywheel side. Use 24023-54 JIMS nut (MCS 978263) on pinio...

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£159.77
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£159.77
£157.54
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£157.54
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£226.37 - £226.37
£226.37
£228.10
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£228.10

Jims Pinion Shaft Kit – L1981–1986 Big Twin

Only 1 left!

Jims Pinion Shaft Kit – L1981–1986 Big Twin End oiling. Same as MCS 507281 JIMS pinion shaft; but complete as kit. This kit includes all parts that...

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£226.37 - £226.37
£226.37
£228.10
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£228.10
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£159.77
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£159.77
£157.54
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£157.54

Jims Pinion Shaft. L81-86 B.T – L1981–1986 Big Twin

Only 3 left!

Jims Pinion Shaft. L81-86 B.T – L1981–1986 Big Twin Use 11218 key (MCS 517951). Use 24016-80 JIMS nut (MCS 978261) for flywheel side. Use 24023-54 ...

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£159.77
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£159.77
£157.54
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£157.54
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£178.80
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£178.80
£177.56
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£177.56

Andrews Shovel Adj. Aluminum Pushrod Set – 1966–1984 SHOVEL WITH OEM HYDRAULIC…

Only 2 left!

Andrews Shovel Adj. Aluminum Pushrod Set – 1966–1984 SHOVEL WITH OEM HYDRAULIC… Available in chromoly steel and aluminum. Chromoly pushrods are thi...

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£178.80
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£178.80
£177.56
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£177.56
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£166.08
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£166.08
£163.76
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£163.76

Jims Sprocket Shaft. 72-E81 B.T – 72-E81 Big Twin with OEM Flywheels

Only 1 left!

Jims Sprocket Shaft. 72-E81 B.T – 72-E81 Big Twin with OEM Flywheels Fits with OEM flywheels. Sprocket shaft does not have a keyway. Taper is 8-1/2...

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£166.08
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£166.08
£163.76
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£163.76
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£189.46
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£189.46
£186.82
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£186.82

Jims L81-99 Crankpin Kit. STD – L1981–1999 Big Twin

Only 1 left!

Jims L81-99 Crankpin Kit. STD – L1981–1999 Big Twin Incl. nuts & key. Standard O.D. 1.2495". 3-hole oil design. This convenient precision kit i...

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£189.46
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£189.46
£186.82
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£186.82
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£206.50
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£206.50
£203.62
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£203.62

Jims 41-E81 Crankpin Kit. STD – 41-E81 Big Twin

Only 3 left!

Jims 41-E81 Crankpin Kit. STD – 41-E81 Big Twin Incl. nuts & keys. Standard O.D. 1.2490". 3-hole oil design. This convienient precision kit inc...

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£206.50
£206.50 - £206.50
£206.50
£203.62
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£203.62
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£144.80
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£144.80
£142.78
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£142.78

Jims L81-99 Crankpin, 180 Degree. STD – L1981–1999 Big Twin

Only 3 left!

Jims L81-99 Crankpin, 180 Degree. STD – L1981–1999 Big Twin Standard O.D. 1.2495". 3-hole oil design on 180° for improved lubrication of the bearin...

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£144.80
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£144.80
£142.78
£142.78 - £142.78
£142.78
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£144.80
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£144.80
£142.78
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£142.78

Jims L81-99 Crankpin. STD – L1981–1999 Big Twin

Only 3 left!

Jims L81-99 Crankpin. STD – L1981–1999 Big Twin 3-hole oil design. Use JIMS 978252 crankpin nuts. Use 517951 (Repl. 11218) woodruff keys. Replaces ...

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£144.80
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£144.80
£142.78
£142.78 - £142.78
£142.78
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£148.53
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£148.53
£146.45
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£146.45

Jims 41-E81 Crankpin. STD But 0.25" Shorter – 41-E81 Big Twin

Only 3 left!

Jims 41-E81 Crankpin. STD But 0.25" Shorter – 41-E81 Big Twin This special crankpin is identical to the JIMS 506870 crankpin but are ground shorter...

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£148.53
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£148.53
£146.45
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£146.45
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£148.53
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£148.53
£146.45
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£146.45

Jims 41-E84 Crankpin, 180 Degree. STD – 41-E81 Big Twin

Only 3 left!

Jims 41-E84 Crankpin, 180 Degree. STD – 41-E81 Big Twin Standard O.D. 1.2490". 3-hole oil design on 180° for improved lubrication of the bearing di...

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£148.53
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£148.53
£146.45
£146.45 - £146.45
£146.45
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£141.05
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£141.05
£139.08
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£139.08

Jims 41-E84 Crankpin. STD – 41-E81 Big Twin

Only 1 left!

Jims 41-E84 Crankpin. STD – 41-E81 Big Twin Standard O.D. 1.2490". 3-hole oil design. Use JIMS 978251 crankpin nuts. Use JIMS 978618 (Repl. 23985-1...

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£141.05
£141.05 - £141.05
£141.05
£139.08
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£139.08
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£121.63
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£121.63
£119.93
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£119.93

Jims Crankpin 54-E81 XL. Std – 54-E81 K; XL Sportster

Only 3 left!

Jims Crankpin 54-E81 XL. Std – 54-E81 K; XL Sportster Standard O.D. 1.250". 3-hole oiling design. Use JIMS 978253 crankpin nuts. Use 517950 (Repl. ...

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£121.63
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£121.63
£119.93
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£119.93
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£179.80
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£179.80
£177.29
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£177.29

Jims 24-73 Flathead Crankpin – 1929–1973 All 45" (750cc) Flathead…

Only 3 left!

Jims 24-73 Flathead Crankpin – 1929–1973 All 45" (750cc) Flathead… Standard O.D. 1.000". 1-hole oiling design for stock flywheels. Use JIMS 978260 ...

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£179.80
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£179.80
£177.29
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£177.29
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£35.87
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£35.87
£34.45
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£34.45

MCS Aluminum Pan/Shovel Pushrod Conversion Kit – 1948–1952 Panheads with 1966–1983…

Only 2 left!

MCS Aluminum Pan/Shovel Pushrod Conversion Kit – 1948–1952 Panheads with 1966–1983… Fits 48-52 Panheads using 66-83 Shovelhead top end. Fitment 48-...

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£35.87
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£35.87
£34.45
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£34.45
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