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Sportster – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Sportster models.

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KB Performance Piston 1340cc Evo B.T. Piston Kit. STD – 1984–1999 Evo Big Twin

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KB Performance Piston 1340cc Evo B.T. Piston Kit. STD – 1984–1999 Evo Big Twin 8.5:1 CR. Piston weight 350gr. Piston pin weight 97gr. Head type: Fl...

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£255.33
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£246.49

KB Performance Piston 1340cc Shovel Pop-up Piston Kit. +.005" – 1979–1984 1340cc Shovel

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KB Performance Piston 1340cc Shovel Pop-up Piston Kit. +.005" – 1979–1984 1340cc Shovel High compression pop-up piston set. 9.5:1 CR. Piston weight...

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£246.49
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KB Performance Piston 1340cc Shovel Piston Kit. STD – 1979–1984 1340cc Shovel

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KB Performance Piston 1340cc Shovel Piston Kit. STD – 1979–1984 1340cc Shovel 8.0:1 CR. Piston weight 357gr. Piston pin weight 97gr. Head type: Dom...

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£248.73
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£240.13
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KB Performance Piston 1200cc B.T. Piston Kit. +.005" – 1941–1978 74"/1200cc Knuckle; Pan…

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KB Performance Piston 1200cc B.T. Piston Kit. +.005" – 1941–1978 74"/1200cc Knuckle; Pan… Compatible with stock cylinders and heads; gives stock co...

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£235.55
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£227.40
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KB Performance Piston 1200 XL Piston Kit. STD – 1988–2022 XL1200

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KB Performance Piston 1200 XL Piston Kit. STD – 1988–2022 XL1200 Standard replacement piston set; for stock or high lift camshafts. With a lowered ...

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KB Performance Piston 1200 XL Piston Kit. +.005" – 1988–2022 XL1200

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KB Performance Piston 1200 XL Piston Kit. +.005" – 1988–2022 XL1200 Standard replacement piston set for stock applications. Stock 9.0:1 compression...

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£227.40
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£255.33
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£246.49
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£246.49

KB Performance Piston 883-1200 Big Bore Piston Kit. +.005" – 1986–2022 XL883 (883 to 1200 Conversion)

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KB Performance Piston 883-1200 Big Bore Piston Kit. +.005" – 1986–2022 XL883 (883 to 1200 Conversion) High compression. 883-1200 conversion piston ...

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£41.40
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Colony Upper & Lower Motor Mount Kit – 1957–1985 XL Sportster

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Colony Upper & Lower Motor Mount Kit – 1957–1985 XL Sportster Zinc Fitment 57-85 XL Sportster (NU) Product Details Brand: Colony Category: M...

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£40.90
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Colony Upper Motor Mount Kit – 1932–1973 45" SV

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

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£37.48
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£37.48
£37.02
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Colony Inner Pushrod Cover Tubes. Zinc – L1979–1984 Shovelhead; 1984–1999 Evo Big…

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Colony Inner Pushrod Cover Tubes. Zinc – L1979–1984 Shovelhead; 1984–1999 Evo Big… O-ring style. OEM style reproduction zinc plated inner (upper) p...

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£35.12
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Colony Inner Pushrod Cover Tubes. Zinc – 48-E79 Big Twin; 54-E79 XL Sportster

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Colony Inner Pushrod Cover Tubes. Zinc – 48-E79 Big Twin; 54-E79 XL Sportster OEM Cork seal style. OEM style reproduction zinc plated inner (upper)...

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£57.13
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Colony Rocker Cover Screw Kit – 1948–1965 PANHEAD

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Colony Rocker Cover Screw Kit – 1948–1965 PANHEAD Cap style Fitment 48-65 PANHEAD (NU) Product Details Brand: Colony Category: MOTOR PARTS > ...

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£57.13
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£53.75
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Colony Primary Cover Mount Kit – 1989–2006 Softail; 1991–2005 Dyna

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Colony Primary Cover Mount Kit – 1989–2006 Softail; 1991–2005 Dyna Cap style Fitment 89-06 Softail; 91-05 Dyna (NU) Product Details Brand: Colony...

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£53.75
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£48.85
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£47.19
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£42.89
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Colony Primary Cover Mount Kit. Cap Style – 1985–1994 FXR; 1985–1999 FLT/Touring

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Colony Primary Cover Mount Kit. Cap Style – 1985–1994 FXR; 1985–1999 FLT/Touring Colony primary cover mount kit. Cap style Fitment 85-94 FXR; 85-99...

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£42.89
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£46.69
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£42.43
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Colony Primary Cover Mount Kit. Cap Style – 1980–1984 FLT/Touring; 1982–1984 FXR

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Colony Primary Cover Mount Kit. Cap Style – 1980–1984 FLT/Touring; 1982–1984 FXR Colony primary cover mount kit. Cap style Fitment 80-84 FLT/Tourin...

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£42.43
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£25.59
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Colony Primary Cover Mount Kit – 1965–1979 Big Twin with Accessory Type…

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Colony Primary Cover Mount Kit – 1965–1979 Big Twin with Accessory Type… Cap style Fitment 65-79 Big Twin (NU) with accessory type pressed metal pr...

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£25.59
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£25.59
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£46.69
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£42.43
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Colony Primary Cover Mount Kit – 1970–1984 Big Twin (4-Speed )

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Colony Primary Cover Mount Kit – 1970–1984 Big Twin (4-Speed ) Cap style Fitment 70-84 Big Twin (4-speed ) (NU) Product Details Brand: Colony Ca...

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£42.43
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£35.36
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£34.93
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Colony Cap Style – 1965–1970 Big Twin

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Colony Cap Style – 1965–1970 Big Twin Cast aluminum cover Fitment 65-70 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > C...

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£34.93
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£56.89
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Colony Primary Cover Mount Kit – 1936–1969 Big Twin

Out of stock

Colony Primary Cover Mount Kit – 1936–1969 Big Twin Cap nut style for tin cover; chrome Fitment 36-69 Big Twin (NU) Product Details Brand: Colony...

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£51.71
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£57.95
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£53.04
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Colony Rocker Cover Screw Kit – 1948–1965 PANHEAD

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Colony Rocker Cover Screw Kit – 1948–1965 PANHEAD Acorn Fitment 48-65 PANHEAD (NU) Product Details Brand: Colony Category: MOTOR PARTS > ROCK...

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£57.95
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£53.04
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£47.26
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£42.95
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Colony Primary Cover Mount Kit – 2007–2016 FLT/Touring

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Colony Primary Cover Mount Kit – 2007–2016 FLT/Touring Acorn Fitment 07-16 FLT/Touring (NU) Product Details Brand: Colony Category: MOTOR PARTS ...

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£42.95
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£47.19
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£42.89
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Colony Primary Cover Mount Kit – 1999–2006 FLT/Touring

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Colony Primary Cover Mount Kit – 1999–2006 FLT/Touring Acorn Fitment 99-06 FLT/Touring (NU) Product Details Brand: Colony Category: MOTOR PARTS ...

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£42.89
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£50.90
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£46.26
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Colony Primary Cover Mount Kit – 2007–2017 Softail

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Colony Primary Cover Mount Kit – 2007–2017 Softail Acorn Fitment 07-17 Softail (Excl. 08-11 FXCW/C; 13-17 FXSB) (NU) Product Details Brand: Colon...

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£46.26
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£62.36
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Colony Primary Cover Mount Kit – 2006–2017 Dyna

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Colony Primary Cover Mount Kit – 2006–2017 Dyna Acorn Fitment 06-17 Dyna (NU) Product Details Brand: Colony Category: MOTOR PARTS > CYLINDERS...

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£57.07
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