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Dyna – Engine & Gaskets

Browse engine & gaskets selected for Harley-Davidson Dyna motorcycles. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. Confirm model coverage, key measurements and any supporting parts required on the individual listing.

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£85.08
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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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£83.88
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£83.88
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£127.21
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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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£35.87
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£33.30
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£33.30

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

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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
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£35.87
£33.30
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£33.30
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£16.37
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£15.59

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

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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
£15.59
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£15.59
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£164.74
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Jims Pinion Shaft. L81-99 B.T. - Special

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

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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
£228.10
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£228.10

Jims Pinion Shaft Kit – L1981–1986 Big Twin

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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
£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

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

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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
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£163.76

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

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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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£189.46
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£189.46
£186.82
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Jims L81-99 Crankpin Kit. STD – L1981–1999 Big Twin

Out of stock

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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£206.50
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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
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£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 1 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
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£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
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£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

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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 1 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
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£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
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£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…

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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…

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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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£34.45
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£105.95
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Jims Oil Pump. 6 Tooth – 1973–1989 Big Twin

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Jims Oil Pump. 6 Tooth – 1973–1989 Big Twin On pinion shaf Fitment 73-89 Big Twin (NU) Product Details Brand: Jims Category: MOTOR PARTS > OI...

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£105.95
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£95.58
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£90.51
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£90.51
£88.60
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£88.60

Andrews Top Collar Set. Steel. .560" Lift – 1984–1999 Evo Big Twin; 1999–2004 Twin…

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Andrews Top Collar Set. Steel. .560" Lift – 1984–1999 Evo Big Twin; 1999–2004 Twin… Heat treated steel. For use in up to .560" medium lift applicat...

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£90.51
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£88.60
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Andrews V2 / .465" Evo Sportster Cam Set – 1986–1990 XL Sportster

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Andrews V2 / .465" Evo Sportster Cam Set – 1986–1990 XL Sportster .465" valve lift. Bolt in. Can be used with all stock 883; 1100 and 1200 Sportste...

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Andrews Chain Drive Conversion Camshaft Set 31N/.510" – 1999–2006 Twin Cam

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Andrews Chain Drive Conversion Camshaft Set 31N/.510" – 1999–2006 Twin Cam Great cam for 95" motors and 9.8 to 10.2 CR. Lower TDC lift for easy ins...

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