Skip to content
Find us Hours of Business Email Us Shipping Cookie policy Returns Terms & Conditions Privacy Policy Refunds

Sportster – Engine & Gaskets

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

Filters

Save 8% Save %
£39.18
£39.18 - £39.18
£39.18
£36.06
£36.06 - £36.06
£36.06

Manley Valve Key Set (8) – 1957–1985 XL Sportster; 1937–1948…

Only 2 left!

Manley Valve Key Set (8) – 1957–1985 XL Sportster; 1937–1948… Stock replacement. Heat treated; black oxided and 100% machined from a special chromo...

View full details
£39.18
£39.18 - £39.18
£39.18
£36.06
£36.06 - £36.06
£36.06
Save 8% Save %
Save 1% Save %
£205.58
£205.58 - £205.58
£205.58
£202.72
£202.72 - £202.72
£202.72

Manley Valve Spring Kit. Titanium. Std to .650" Lift – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Only 2 left!

Manley Valve Spring Kit. Titanium. Std to .650" Lift – 1984–1999 Evo Big Twin; 1999–2004 Twin… Titanium top collars and a spring set. Can be used a...

View full details
£205.58
£205.58 - £205.58
£205.58
£202.72
£202.72 - £202.72
£202.72
Save 1% Save %
Save 1% Save %
£151.59
£151.59 - £151.59
£151.59
£149.48
£149.48 - £149.48
£149.48

Manley Valve Spring Kit. Stock to .495" Lift – 1966–1979 Shovelhead

Only 2 left!

Manley Valve Spring Kit. Stock to .495" Lift – 1966–1979 Shovelhead Includes steel top collars; steel lower collars and valve springs. No machining...

View full details
£151.59
£151.59 - £151.59
£151.59
£149.48
£149.48 - £149.48
£149.48
Save 1% Save %
Save 1% Save %
£221.82
£221.82 - £221.82
£221.82
£218.73
£218.73 - £218.73
£218.73

Manley Valve Spring. Stock to .495" Lift – 1966–1979 Shovelhead

Only 2 left!

Manley Valve Spring. Stock to .495" Lift – 1966–1979 Shovelhead Includes titanium top collars; steel lower collars and valve springs. No machining ...

View full details
£221.82
£221.82 - £221.82
£221.82
£218.73
£218.73 - £218.73
£218.73
Save 1% Save %
Save 1% Save %
£132.01
£132.01 - £132.01
£132.01
£130.17
£130.17 - £130.17
£130.17

Manley Valve Spring Kit. Std to .490" Lift – 1957–1985 XL Sportster

Only 3 left!

Manley Valve Spring Kit. Std to .490" Lift – 1957–1985 XL Sportster Incl. steel top collars and dual spring style valve springs. No machining requi...

View full details
£132.01
£132.01 - £132.01
£132.01
£130.17
£130.17 - £130.17
£130.17
Save 1% Save %
Sold out
£97.80
£97.80 - £97.80
£97.80
£93.12
£93.12 - £93.12
£93.12

Manley Severe Duty Stainless Valves, Intake. Conversion – 1986–2003 XL883. For Full 883-1200…

Out of stock

Manley Severe Duty Stainless Valves, Intake. Conversion – 1986–2003 XL883. For Full 883-1200… Used for 883-1200 conversion. Valve length is same as...

View full details
£97.80
£97.80 - £97.80
£97.80
£93.12
£93.12 - £93.12
£93.12
Sold out
Save 8% Save %
£70.26
£70.26 - £70.26
£70.26
£64.66
£64.66 - £64.66
£64.66

Manley Race Master Exhaust Valve Set. STD – 1984–1999 Evo Big Twin

Only 2 left!

Manley Race Master Exhaust Valve Set. STD – 1984–1999 Evo Big Twin Quality replacement valves; lower priced than the Manley ''Severe Duty'' valves....

View full details
£70.26
£70.26 - £70.26
£70.26
£64.66
£64.66 - £64.66
£64.66
Save 8% Save %
Save 5% Save %
£95.87
£95.87 - £95.87
£95.87
£91.28
£91.28 - £91.28
£91.28

Manley Severe Duty Stainless Valves, Intake. STD – 1957–1969 XL Sportster

Only 2 left!

Manley Severe Duty Stainless Valves, Intake. STD – 1957–1969 XL Sportster Standard size replacement. Dimensions: 1.813" head dia. x .309" stem dia....

View full details
£95.87
£95.87 - £95.87
£95.87
£91.28
£91.28 - £91.28
£91.28
Save 5% Save %
Save 9% Save %
£46.69
£46.69 - £46.69
£46.69
£42.43
£42.43 - £42.43
£42.43

Colony Primary Cover Mount Kit. Acorn – 1980–1984 FLT/Touring; 1982–1984 FXR

Only 2 left!

Colony Primary Cover Mount Kit. Acorn – 1980–1984 FLT/Touring; 1982–1984 FXR Colony primary cover mount kit. Acorn Fitment 80-84 FLT/Touring; 82-84...

View full details
£46.69
£46.69 - £46.69
£46.69
£42.43
£42.43 - £42.43
£42.43
Save 9% Save %
Save 1% Save %
£43.89
£43.89 - £43.89
£43.89
£43.36
£43.36 - £43.36
£43.36

Colony Panhead Rocker Cover Screw Kit. Chrome Hex. Long – 1948–1965 Panhead

Only 2 left!

Colony Panhead Rocker Cover Screw Kit. Chrome Hex. Long – 1948–1965 Panhead Chrome plated. OEM style reproduction hex bolt with flange. Used to mou...

View full details
£43.89
£43.89 - £43.89
£43.89
£43.36
£43.36 - £43.36
£43.36
Save 1% Save %
£26.28 - £26.28
£26.28
£30.29
£30.29 - £30.29
£30.29

Colony Oil Pump Mount Kit, OEM Style – 1968–1978 Big Twin

Only 2 left!

Colony Oil Pump Mount Kit, OEM Style – 1968–1978 Big Twin Chrome hex Fitment 68-78 Big Twin (NU) Product Details Brand: Colony Category: MOTOR P...

View full details
£26.28 - £26.28
£26.28
£30.29
£30.29 - £30.29
£30.29
£21.70 - £21.70
£21.70
£25.18
£25.18 - £25.18
£25.18

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

Only 2 left!

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

View full details
£21.70 - £21.70
£21.70
£25.18
£25.18 - £25.18
£25.18
Save 8% Save %
£62.36
£62.36 - £62.36
£62.36
£57.07
£57.07 - £57.07
£57.07

Colony Crankcase Bolt Kit – 1979–1995 Big Twin

Only 2 left!

Colony Crankcase Bolt Kit – 1979–1995 Big Twin Chrome hex Fitment 79-95 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > C...

View full details
£62.36
£62.36 - £62.36
£62.36
£57.07
£57.07 - £57.07
£57.07
Save 8% Save %
Sold out
£61.55
£61.55 - £61.55
£61.55
£58.60
£58.60 - £58.60
£58.60

Gardner-Westcott Crankcase Bolt Kit, Hex – 1979–1995 Big Twin

Out of stock

Gardner-Westcott Crankcase Bolt Kit, Hex – 1979–1995 Big Twin Mounts crankcase halves together. Kits come complete with washers; studs and nuts whe...

View full details
£61.55
£61.55 - £61.55
£61.55
£58.60
£58.60 - £58.60
£58.60
Sold out
£6.17 - £6.17
£6.17
£6.67
£6.67 - £6.67
£6.67

Colony Oil Pump Mount Kit, OEM Style – 1937–1967 Big Twin

Only 2 left!

Colony Oil Pump Mount Kit, OEM Style – 1937–1967 Big Twin Black parkerized; nut & washers; special 1/4-24 HD thread Fitment 37-67 Big Twin (NU)...

View full details
£6.17 - £6.17
£6.17
£6.67
£6.67 - £6.67
£6.67
£7.14 - £7.14
£7.14
£7.73
£7.73 - £7.73
£7.73

Colony Oil Pump Mounting Kit, OEM Style – 1937–1967 Big Twin

Only 2 left!

Colony Oil Pump Mounting Kit, OEM Style – 1937–1967 Big Twin Chrome nut & washer set; with special 1/4-24 hd thread Fitment 37-67 Big Twin (NU)...

View full details
£7.14 - £7.14
£7.14
£7.73
£7.73 - £7.73
£7.73
£22.60 - £22.60
£22.60
£26.04
£26.04 - £26.04
£26.04

Colony Cyl Base Nut Kit – 1930–1978 Big Twin

Only 3 left!

Colony Cyl Base Nut Kit – 1930–1978 Big Twin Hex chrome Fitment 30-78 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > CYL...

View full details
£22.60 - £22.60
£22.60
£26.04
£26.04 - £26.04
£26.04
£20.95 - £20.95
£20.95
£24.15
£24.15 - £24.15
£24.15

Colony Tappet Block Mount Kit. OEM Style, Chrome – 36-E53 Big Twin; 1937–1973 45" Flathead

Only 2 left!

Colony Tappet Block Mount Kit. OEM Style, Chrome – 36-E53 Big Twin; 1937–1973 45" Flathead 1/4"-24 threaded. OEM reproduction tappet guide hardware...

View full details
£20.95 - £20.95
£20.95
£24.15
£24.15 - £24.15
£24.15
£28.10 - £28.10
£28.10
£35.44
£35.44 - £35.44
£35.44

Colony Cyl Base Nut Kit – 1978–1984 Big Twin

Only 2 left!

Colony Cyl Base Nut Kit – 1978–1984 Big Twin Chrome; acorn milled hex; with o washers Fitment 78-84 Big Twin (NU) Product Details Brand: Colony ...

View full details
£28.10 - £28.10
£28.10
£35.44
£35.44 - £35.44
£35.44
Save 1% Save %
£35.01
£35.01 - £35.01
£35.01
£34.59
£34.59 - £34.59
£34.59

Colony High-torque – 1952–1985 K; XL Sportster; 45" Flatheads

Only 2 left!

Colony High-torque – 1952–1985 K; XL Sportster; 45" Flatheads Chrome Fitment 52-85 K; XL Sportster; 45" Flatheads (NU) Product Details Brand: Col...

View full details
£35.01
£35.01 - £35.01
£35.01
£34.59
£34.59 - £34.59
£34.59
Save 1% Save %
Save 7% Save %
£32.57
£32.57 - £32.57
£32.57
£30.24
£30.24 - £30.24
£30.24

MCS Upper Pushrod Cover Kit. Pan & XL – 1948–1965 Panhead; 57-E79 XL Sportster

Only 3 left!

MCS Upper Pushrod Cover Kit. Pan & XL – 1948–1965 Panhead; 57-E79 XL Sportster Chrome plated. OEM style reproduction; clip type; upper pushrod ...

View full details
£32.57
£32.57 - £32.57
£32.57
£30.24
£30.24 - £30.24
£30.24
Save 7% Save %
Save 2% Save %
£23.24
£23.24 - £23.24
£23.24
£22.74
£22.74 - £22.74
£22.74

Colony Sprocket Shaft Oil Seal – 1940–1954 Big Twin

Only 3 left!

Colony Sprocket Shaft Oil Seal – 1940–1954 Big Twin Includes snap ring. OEM replacement reference 24776-40 (early 241-40). Fitment 40-54 Big Twin (...

View full details
£23.24
£23.24 - £23.24
£23.24
£22.74
£22.74 - £22.74
£22.74
Save 2% Save %
Save 1% Save %
£47.05
£47.05 - £47.05
£47.05
£46.39
£46.39 - £46.39
£46.39

Jims Camshaft Bushing. Undersize. 70-99 B.T – 1970–1990 Big Twin

Only 2 left!

Jims Camshaft Bushing. Undersize. 70-99 B.T – 1970–1990 Big Twin With a smaller I.D. of .9875" (standard is 1.000") with a standard 1.2015" O.D. Us...

View full details
£47.05
£47.05 - £47.05
£47.05
£46.39
£46.39 - £46.39
£46.39
Save 1% Save %
Save 1% Save %
£41.13
£41.13 - £41.13
£41.13
£40.55
£40.55 - £40.55
£40.55

Jims Camshaft Bushing. +.005". 70-99 B.T – 1970–1999 Big Twin

Only 2 left!

Jims Camshaft Bushing. +.005". 70-99 B.T – 1970–1999 Big Twin Standard O.D. is 1.2015". Standard I.D. is 1.000". Machined from solid bronze bar. Ea...

View full details
£41.13
£41.13 - £41.13
£41.13
£40.55
£40.55 - £40.55
£40.55
Save 1% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare