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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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£130.76
£130.76 - £130.76
£130.76
£117.97
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£117.97

Colony Cyl Head Bolt Kit – L1985–1991 Big Twin; 1986–1991 XL…

Only 3 left!

Colony Cyl Head Bolt Kit – L1985–1991 Big Twin; 1986–1991 XL… Chrome; 12-point domed head Fitment L85-91 Big Twin; 86-91 XL Sportster (NU) Product ...

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£130.76
£130.76 - £130.76
£130.76
£117.97
£117.97 - £117.97
£117.97
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£23.39 - £23.39
£23.39
£26.95
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£26.95

Colony Oil Tank Mount Kit. Chrome – 1958–1964 Big Twin

Only 2 left!

Colony Oil Tank Mount Kit. Chrome – 1958–1964 Big Twin Chrome. Reproduction of the original hardware used to mount the oil tank bracket to the stoc...

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£23.39 - £23.39
£23.39
£26.95
£26.95 - £26.95
£26.95
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£14.40
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£14.40
£14.09
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£14.09

Colony Samwel, Mount Bolt Linkert Carburetor. Extended Length – All Linkert Carburetors; with Extension

Only 2 left!

Colony Samwel, Mount Bolt Linkert Carburetor. Extended Length – All Linkert Carburetors; with Extension Chrome plated. 15/16" extra long. For use w...

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£14.40
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£14.40
£14.09
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£14.09
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£14.40
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£14.40
£14.09
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£14.09

Colony Mount Bolt Linkert Carburetor. Standard Length – All Linkert Carburetors

Only 2 left!

Colony Mount Bolt Linkert Carburetor. Standard Length – All Linkert Carburetors Chrome. Accurate reproduction of the OEM Linkert carburetor install...

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£14.40
£14.40 - £14.40
£14.40
£14.09
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£14.09
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£17.20
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£17.20
£16.83
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£16.83

Colony Linkert Carb Bowl Lock Nut Kit – 1930–1965 H-D

Only 2 left!

Colony Linkert Carb Bowl Lock Nut Kit – 1930–1965 H-D Chrome; for models with Linkert carb Fitment 30-65 H-D (NU) Product Details Brand: Colony ...

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£17.20
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£17.20
£16.83
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£16.83
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£81.27
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£81.27
£74.39
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£74.39

Colony Aluminum Adj. Pushrod Solid Conversion Kit. Shovel – 1966–1984 Shovelhead

Only 3 left!

Colony Aluminum Adj. Pushrod Solid Conversion Kit. Shovel – 1966–1984 Shovelhead Used to convert stock hydraulic tappets to solids. Comes with non ...

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£81.27
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£81.27
£74.39
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£74.39
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£11.97 - £11.97
£11.97
£13.79
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£13.79

Colony Lock Nuts Tappet Adjuster Screw – 1915–1985 All H-D

Only 2 left!

Colony Lock Nuts Tappet Adjuster Screw – 1915–1985 All H-D 9/32"-32 threaded. Fits all tappets that take 9/32-32 threaded adjusting screws. Replace...

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£11.97 - £11.97
£11.97
£13.79
£13.79 - £13.79
£13.79
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£97.10
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£97.10
£87.60
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£87.60

Colony Aluminum Adj. Pushrod Solid Conversion Kit. Evo B.T – 1984–1999 Evo Big Twin

Only 2 left!

Colony Aluminum Adj. Pushrod Solid Conversion Kit. Evo B.T – 1984–1999 Evo Big Twin Used to convert stock hydraulic tappets to solids. Comes with n...

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£97.10
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£97.10
£87.60
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£87.60
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£55.85
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£55.85
£50.76
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£50.76

Colony 57-85 XL Aluminum Non-adj. Pushrod Set – 1957–1985 XL Sportster

Only 2 left!

Colony 57-85 XL Aluminum Non-adj. Pushrod Set – 1957–1985 XL Sportster Compatible with the OEM style solid adjustable lifter. Aircraft quality alum...

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£55.85
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£55.85
£50.76
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£50.76
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£55.85
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£55.85
£50.76
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£50.76

Colony 61" Pan Aluminum Non-adj. Pushrod Set – 1948–1952 61" (1000CC) PANHEAD

Out of stock

Colony 61" Pan Aluminum Non-adj. Pushrod Set – 1948–1952 61" (1000CC) PANHEAD Compatible with the OEM style solid adjustable lifter. Aircraft quali...

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£55.85
£55.85 - £55.85
£55.85
£50.76
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£50.76
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£57.29
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£57.29
£52.44
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£52.44

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

Only 2 left!

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

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£57.29
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£57.29
£52.44
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£52.44
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£184.31
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£184.31
£161.39
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£161.39

Colony XL Multiple-parts Pushrod Cover Conversion Kit – 1991–2003 XL Sportster with Stock or…

Only 2 left!

Colony XL Multiple-parts Pushrod Cover Conversion Kit – 1991–2003 XL Sportster with Stock or… Chrome. Used to replace the OEM one-piece style pushr...

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£184.31
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£184.31
£161.39
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£161.39
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£9.45 - £9.45
£9.45
£10.23
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£10.23

Colony 84-99 Pushrod Cover Seal Kit – 1984–1999 Big Twin; 1986–1990 XL…

Only 2 left!

Colony 84-99 Pushrod Cover Seal Kit – 1984–1999 Big Twin; 1986–1990 XL… OEM style replacement rubber o-ring seals. Fitment 84-99 Big Twin (Excl. Tw...

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£9.45 - £9.45
£9.45
£10.23
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£10.23
£10.86 - £10.86
£10.86
£11.76
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£11.76

Colony 36-47 & 57-E79 Pushrod Cover Seal Kit – 1936–1947 Knucklehead; 57-E79 XL…

Only 2 left!

Colony 36-47 & 57-E79 Pushrod Cover Seal Kit – 1936–1947 Knucklehead; 57-E79 XL… Machined rubber seals. Replacement for the OEM cork style seal...

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£10.86 - £10.86
£10.86
£11.76
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£11.76
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£48.00
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£48.00
£43.62
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£43.62

Colony 99-Up Upper Pushrod Cover Kit. Chrome – 1999–2017 Twin Cam; 2017–2025 M8

Only 2 left!

Colony 99-Up Upper Pushrod Cover Kit. Chrome – 1999–2017 Twin Cam; 2017–2025 M8 Standard 1-3/4" length. Chrome plated steel OEM style reproduction ...

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£48.00
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£48.00
£43.62
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£43.62
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£53.97
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£53.97
£49.06
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£49.06

Colony 40-99 Upper Pushrod Cover Kit. Chrome – 1940–1947 74" Knucklehead; 1966–1984…

Only 2 left!

Colony 40-99 Upper Pushrod Cover Kit. Chrome – 1940–1947 74" Knucklehead; 1966–1984… Standard 3-5/16" length. Chrome plated steel OEM style reprodu...

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£53.97
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£53.97
£49.06
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£49.06
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£63.36
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£63.36
£58.00
£58.00 - £58.00
£58.00

Colony 99-Up Lower Pushrod Cover Set – 1999–2017 Twin Cam; 2017–2025 M8

Only 2 left!

Colony 99-Up Lower Pushrod Cover Set – 1999–2017 Twin Cam; 2017–2025 M8 Chrome plated OEM style reproduction set. Includes rubber seals. Fitment 99...

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£63.36
£63.36 - £63.36
£63.36
£58.00
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£58.00
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£66.96
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£66.96
£61.30
£61.30 - £61.30
£61.30

Colony L79-84 Lower Pushrod Cover Kit. Chrome – L1979–1984 Shovelhead

Only 2 left!

Colony L79-84 Lower Pushrod Cover Kit. Chrome – L1979–1984 Shovelhead Chrome plated OEM style reproduction set. Includes rubber seals that will rep...

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£66.96
£66.96 - £66.96
£66.96
£61.30
£61.30 - £61.30
£61.30
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£95.12
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£95.12
£85.81
£85.81 - £85.81
£85.81

Colony XL Ribbed Lower Pushrod Cover Set. Chrome – 57-E79 XL Sportster

Only 2 left!

Colony XL Ribbed Lower Pushrod Cover Set. Chrome – 57-E79 XL Sportster Chrome plated steel; custom ribbed; lower pushrod covers. Fits models with c...

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£95.12
£95.12 - £95.12
£95.12
£85.81
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£85.81
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£68.05
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£68.05
£62.29
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£62.29

Colony Crankcase Bolt Kit – 1940–1948 74/80" SV

Only 2 left!

Colony Crankcase Bolt Kit – 1940–1948 74/80" SV Chrome acorn Fitment 40-48 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR PARTS &g...

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£68.05
£68.05 - £68.05
£68.05
£62.29
£62.29 - £62.29
£62.29
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£68.05
£68.05 - £68.05
£68.05
£62.29
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£62.29

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV

Only 2 left!

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV Chrome acorn Fitment 36-39 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR PARTS &g...

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£68.05
£68.05 - £68.05
£68.05
£62.29
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£62.29
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£62.36
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£62.36
£57.07
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£57.07

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV

Only 2 left!

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV Chrome; stock style Fitment 36-39 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR P...

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£62.36
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£62.36
£57.07
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£57.07
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£30.03
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£30.03
£29.67
£29.67 - £29.67
£29.67

Colony Crankcase Bolt Kit – 1977–1990 XL Sportster

Only 4 left!

Colony Crankcase Bolt Kit – 1977–1990 XL Sportster Chrome allen Fitment 77-90 XL Sportster (NU) Product Details Brand: Colony Category: MOTOR PA...

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£30.03
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£30.03
£29.67
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£29.67
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£22.69 - £22.69
£22.69
£26.14
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£26.14

Colony Crankcase Bolt Kit – 1999–2017 Twin Cam A/B

Only 2 left!

Colony Crankcase Bolt Kit – 1999–2017 Twin Cam A/B Polished chrome; Allen Fitment 99-17 Twin Cam A/B (NU) Product Details Brand: Colony Category...

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£22.69 - £22.69
£22.69
£26.14
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£26.14

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