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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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£27.73
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Colony Motor Mount Bolt Covers. Chrome – 2000–2017 Softail

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Colony Motor Mount Bolt Covers. Chrome – 2000–2017 Softail Chromed plated domed covers. Fits over stock hex head bolts. Secures with set-screws. Fi...

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£57.95
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Colony Head Bolt Cover Kit. Pike, Chrome – L1985–2017 Big Twin; 1992–2022 XL…

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Colony Head Bolt Cover Kit. Pike, Chrome – L1985–2017 Big Twin; 1992–2022 XL… Fits over the OEM head bolts to give you that classic retro ''Pike'' ...

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£56.16
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Colony Head Bolt Cover Kit. Custom Hex Domed, Chrome – L1985–2017 Big Twin; 1992–2022 XL…

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Colony Head Bolt Cover Kit. Custom Hex Domed, Chrome – L1985–2017 Big Twin; 1992–2022 XL… Fits over the OEM head bolts. Securely mounts to the head...

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£56.16
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£56.16
£54.98
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£42.05
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Colony XL Gas Tank Mount Kit – 1996–2003 XL Sportster

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Colony XL Gas Tank Mount Kit – 1996–2003 XL Sportster Chrome acorn Fitment 96-03 XL Sportster (NU) Product Details Brand: Colony Category: GAS T...

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£42.05
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£42.05
£41.16
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£14.54
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Colony Gas Tank Mount Kit. Chrome Acorn – 2000–2017 Softail

Out of stock

Colony Gas Tank Mount Kit. Chrome Acorn – 2000–2017 Softail Custom fuel tank mount kit with milled chrome plated acorn nuts; washers and stud. Fitm...

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£14.03
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Colony Front Side Gas Tank Mount Kit. Chrome – 1984–1999 Softail; 1985–1986 FXWG; 1985…

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Colony Front Side Gas Tank Mount Kit. Chrome – 1984–1999 Softail; 1985–1986 FXWG; 1985… Chrome plated flathead bolts with countersunk washers. Used...

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Colony Oil Tank Mount Kit. Chrome Plated – 1937–1952 All 45" Solo and 1937–1973 45"…

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Colony Oil Tank Mount Kit. Chrome Plated – 1937–1952 All 45" Solo and 1937–1973 45"… Reproduction of the original hardware used to mount the oil ta...

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Colony. 37-75 Gas Tank Mount Kit. Chrome – 1937–1975 Big Twin; 1971–1972 FX

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Colony. 37-75 Gas Tank Mount Kit. Chrome – 1937–1975 Big Twin; 1971–1972 FX Chrome plated finish. Exact reproduction of the hardware used to mount ...

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Colony Gas Strainer Rebuild Kit – 1939–1941 H-D

Out of stock

Colony Gas Strainer Rebuild Kit – 1939–1941 H-D Includes 3627-39 screen; 3613-39 gasket & body to carburetor gasket. Used to rebuild the in-lin...

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Colony Gas Tank Mount Kit. Nickel Plated. Oversize – 1918-1936 All H-D; 1936-73 45" Flathead…

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Colony Gas Tank Mount Kit. Nickel Plated. Oversize – 1918-1936 All H-D; 1936-73 45" Flathead… Oversize. Reproduction of the original hardware used ...

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Colony Gas Tank Mount Kit. Nickel Plated – 1918-1936 All H-D; 1936-73 45" Flathead…

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Colony Gas Tank Mount Kit. Nickel Plated – 1918-1936 All H-D; 1936-73 45" Flathead… Reproduction of the original hardware used to mount the fuel ta...

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Colony Lower Motor Mount Kit – 1988–2006 FLT/Touring; 1988–1994 FXR

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Colony Lower Motor Mount Kit – 1988–2006 FLT/Touring; 1988–1994 FXR Zinc Fitment 88-06 FLT/Touring; 88-94 FXR (NU) Product Details Brand: Colony ...

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Colony Motor Mount Kit – 1970–1984 SHOVEL

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Colony Motor Mount Kit – 1970–1984 SHOVEL Chrome Fitment 70-84 SHOVEL (NU) Product Details Brand: Colony Category: MOTOR PARTS > MOTOR MOUNT ...

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Colony Motor Mount Kit – 1937–1948 SV Big Twin

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Colony Motor Mount Kit – 1937–1948 SV Big Twin Chrome Fitment 37-48 SV Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > MO...

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Colony Lower Motor Mount Kit – 1932–1973 45" SV

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Colony Lower Motor Mount Kit – 1932–1973 45" SV Parkerized Fitment 32-73 45" SV (NU) Product Details Brand: Colony Category: MOTOR PARTS > MO...

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£35.10
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£35.88
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Colony Head Bolt Washer Set. Black – 1940–1948 74"/80" Flathead; 1940–1957…

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Colony Head Bolt Washer Set. Black – 1940–1948 74"/80" Flathead; 1940–1957… Black parkerized finish. Fits Side Valves with aluminum heads. OEM repl...

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£35.88
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Colony Head Bolt Washer Set. Chrome – 1940–1948 74"/80" Flathead; 1940–1957…

Out of stock

Colony Head Bolt Washer Set. Chrome – 1940–1948 74"/80" Flathead; 1940–1957… Fits Side Valves with aluminum heads. OEM replacement reference 16822-...

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£55.85
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£68.54
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Colony Head Bolt Kit – 1940–1947 KNUCKLE

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Colony Head Bolt Kit – 1940–1947 KNUCKLE Parkerized; OEM style; incl. washers Fitment 40-47 KNUCKLE (NU) Product Details Brand: Colony Category:...

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Colony Head Bolt Kit – 1936–1939 Knucklehead

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Colony Head Bolt Kit – 1936–1939 Knucklehead Parkerized; OEM style; incl. washers Fitment 36-39 Knucklehead (NU) Product Details Brand: Colony C...

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£68.54
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£117.28
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£105.81
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Colony Head Bolt Kit – 1951–1973 45" SV

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Colony Head Bolt Kit – 1951–1973 45" SV Chrome; OEM style; cast iron heads Fitment 51-73 45" SV (NU) (Excl. ALTERNATOR models) Product Details Br...

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£105.81
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£105.81
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£117.05
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Colony Head Bolt Kit – 1939–1973 45" WITH ALU HEADS

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Colony Head Bolt Kit – 1939–1973 45" WITH ALU HEADS Chrome; OEM style Fitment 39-73 45" WITH ALU HEADS (NU) Product Details Brand: Colony Catego...

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£117.05
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Colony Head Bolt Kit – 1973–1985 XL Sportster

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Colony Head Bolt Kit – 1973–1985 XL Sportster Chrome; OEM style; incl. washers Fitment 73-85 XL Sportster (NU) Product Details Brand: Colony Cat...

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£54.12
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Colony Head Bolt Kit – 1957–1972 XL Sportster

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Colony Head Bolt Kit – 1957–1972 XL Sportster Chrome; OEM style; incl. washers Fitment 57-72 XL Sportster (NU) Product Details Brand: Colony Cat...

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Colony Head Bolt Kit – 1954–1956 KH Models

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Colony Head Bolt Kit – 1954–1956 KH Models Chrome; OEM style Fitment 54-56 KH models (NU) Product Details Brand: Colony Category: MOTOR PARTS &g...

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