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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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£18.52
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£17.63
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£17.63

Cometic Gasket Oil Pump Body to Case. .010" RCS – 68-E80 Big Twin

Only 2 left!

Cometic Gasket Oil Pump Body to Case. .010" RCS – 68-E80 Big Twin .010" thick RCS (Rubber Coated Steel); an embossed steel core with a .001" thick ...

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£17.63
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£18.52
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£17.63

Cometic Oil Pump Body to Case Gaskets. .010" RCS – 68-E80 Big Twin

Only 2 left!

Cometic Oil Pump Body to Case Gaskets. .010" RCS – 68-E80 Big Twin RCS (Rubber Coated Steel). An embossed steel core with a .001" thick coating of ...

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£17.63
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£18.52
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£17.63

Cometic Oil Pump Body to Cover Gasket. .010" RCS – 1992–1999 Evo Big Twin

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Cometic Oil Pump Body to Cover Gasket. .010" RCS – 1992–1999 Evo Big Twin .010" thick RCS (Rubber Coated Steel); an embossed steel core with a .001...

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£18.52
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£17.63
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£18.52
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£17.63
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£17.63

Cometic Oil Pump Body to Cover Gasket. .010" RCS – L1980–1991 Big Twin

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Cometic Oil Pump Body to Cover Gasket. .010" RCS – L1980–1991 Big Twin .010" thick RCS (Rubber Coated Steel); an embossed steel core with a .001" t...

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£18.52
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£17.63
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£18.52
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£17.63

Cometic Oil Pump Body to Case Gasket. .010" RCS – L1980–1991 Big Twin

Only 2 left!

Cometic Oil Pump Body to Case Gasket. .010" RCS – L1980–1991 Big Twin .010" thick RCS (Rubber Coated Steel); an embossed steel core with a .001" th...

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£18.52
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£23.62
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£23.62
£22.49
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£22.49

Cometic Rocker Cover Gasket Set 2-Pack. AFM – 1948–1965 Panhead

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Cometic Rocker Cover Gasket Set 2-Pack. AFM – 1948–1965 Panhead .060" thick AFM (Aluminum Foamet Material) gaskets. These gaskets have an aluminum ...

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£23.62
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£23.62
£22.49
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£22.49
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£68.22
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£68.22
£64.95
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£64.95

Cometic Rocker Cover Gasket. Fiber, Thick – 1948–1965 Panhead

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Cometic Rocker Cover Gasket. Fiber, Thick – 1948–1965 Panhead .125" fiber material. Replacement for the OEM cork 17541-48A/B/C; 175-48 gasket. Fitm...

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£68.22
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£68.22
£64.95
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£64.95
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£77.09
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£77.09
£74.42
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£74.42

Cometic Gasket Inner Primary to Transmission. Fiber – 1979–1984 FLT/Touring; 1982–1984 FXR

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Cometic Gasket Inner Primary to Transmission. Fiber – 1979–1984 FLT/Touring; 1982–1984 FXR Fiber. The ''large'' gasket. OEM replacement reference 3...

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£77.09
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£77.09
£74.42
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£74.42
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£26.39
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£25.13

Cometic Cam Cover Gaskets. .032" Fiber – 1993–1999 Evo Big Twin

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Cometic Cam Cover Gaskets. .032" Fiber – 1993–1999 Evo Big Twin .031" thick fiber; a premium hi-temperature; hi-density creep resistant material th...

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£26.39
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£26.39
£25.13
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£25.13
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£23.87
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£23.87
£22.72
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£22.72

Cometic Gasket Inspection Cover. Cork – 1936–1964 Big Twin OHV & Flathead…

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Cometic Gasket Inspection Cover. Cork – 1936–1964 Big Twin OHV & Flathead… OEM style cork material. OEM replacement reference 60567-36 / 3811-3...

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£23.87
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£23.87
£22.72
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£22.72
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£9.69
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£9.69
£8.92
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£8.92

Cometic Oil Pump Body to Case Gasket. AFM – 1991–2022 XL Sportster

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Cometic Oil Pump Body to Case Gasket. AFM – 1991–2022 XL Sportster Cometic''s AFM (Aluminum Foamet Material) gaskets are made with an aluminum core...

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£9.69
£8.92
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£8.92
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£9.33
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£9.33
£8.59
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£8.59

Cometic Gasket Starter Motor Mount. AFM – 1981–2022 XL Sportster; 2008–2012 XR1200

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Cometic Gasket Starter Motor Mount. AFM – 1981–2022 XL Sportster; 2008–2012 XR1200 .032" AFM. (Aluminum Foamet Material). OEM replacement reference...

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£9.33
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£9.33
£8.59
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£8.59
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£12.92
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£12.92
£12.30
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£12.30

Cometic Point Cover Gasket. AFM – 1970–1999 Evo Big Twin; 1971–2003 XL…

Only 2 left!

Cometic Point Cover Gasket. AFM – 1970–1999 Evo Big Twin; 1971–2003 XL… Aluminum Foamet Material. With 4 holes. OEM replacement reference 32591-80....

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£12.92
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£12.92
£12.30
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£12.30
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£9.69
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£9.69
£8.92
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£8.92

Cometic Tappet Block Gasket. Front. .060" AFM – 1948–1999 Big Twin

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Cometic Tappet Block Gasket. Front. .060" AFM – 1948–1999 Big Twin .060" thick AFM (Aluminum Foamet Material). These gaskets have an aluminum base ...

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£9.69
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£9.69
£8.92
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£8.92
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£8.01
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£8.01
£7.37
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£7.37

Cometic Tappet Block Gasket. Rear. .060" AFM – 1948–1999 Big Twin

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Cometic Tappet Block Gasket. Rear. .060" AFM – 1948–1999 Big Twin .060" thick AFM (Aluminum Foamet Material). These gaskets have an aluminum base w...

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£8.01
£8.01 - £8.01
£8.01
£7.37
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£7.37
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£52.56
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£52.56
£50.04
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£50.04

Cometic Gasket Transmission Oil Spout (Filler). AFM – 1993–2006 FLT/Touring

Only 1 left!

Cometic Gasket Transmission Oil Spout (Filler). AFM – 1993–2006 FLT/Touring AFM (Aluminum Foamet Material). OEM replacement reference 62432-93B. Co...

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£52.56
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£52.56
£50.04
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£50.04
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£52.56
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£52.56
£50.04
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£50.04

Cometic Gasket Transmission Oil Pan. AFM – 1993–1998 FLT/Touring

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Cometic Gasket Transmission Oil Pan. AFM – 1993–1998 FLT/Touring AFM (Aluminum Foamet Material). OEM replacement reference 26077-93. Cometic''s AFM...

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£52.56
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£52.56
£50.04
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£50.04
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£35.60
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£35.60
£33.89
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£33.89

Cometic Transmission Bearing Housing Gasket. .032" AFM – 1980–1999 5-Speed Big Twin

Only 2 left!

Cometic Transmission Bearing Housing Gasket. .032" AFM – 1980–1999 5-Speed Big Twin .032" thick AFM. OEM replacement reference 35652-79A; 35652-79B...

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£35.60
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£35.60
£33.89
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£33.89
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£13.53
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£13.53
£12.88
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£12.88

Cometic Starter Gear Bolt – 1990–1992 Big Twin

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Cometic Starter Gear Bolt – 1990–1992 Big Twin Cometic o-ring, starter gear bolt Fitment 90-92 Big Twin (NU) Product Details Brand: Cometic Cate...

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£13.53
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£13.53
£12.88
£12.88 - £12.88
£12.88
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£43.18
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£43.18
£41.11
£41.11 - £41.11
£41.11

Cometic Gasket Derby Cover. .060" AFM – 1941–1964 Big Twin OHV and Flatheads

Out of stock

Cometic Gasket Derby Cover. .060" AFM – 1941–1964 Big Twin OHV and Flatheads .060" thick AFM (Aluminum Foamet Material). AFM replacement for the OE...

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£43.18
£43.18 - £43.18
£43.18
£41.11
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£41.11
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£12.77
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£12.77
£12.16
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£12.16

Cometic Starter Gear Bolt – 1989 Big Twin

Only 2 left!

Cometic Starter Gear Bolt – 1989 Big Twin Cometic o-ring, starter gear bolt Fitment 1989 Big Twin (NU) Product Details Brand: Cometic Category: ...

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£12.77
£12.16
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£12.16
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£68.06
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£68.06
£64.80
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£64.80

Cometic Oil Seal Clutch Hub Nut – 1936–1964 FL OHV; 1936–1948 74" FLATHEAD

Only 2 left!

Cometic Oil Seal Clutch Hub Nut – 1936–1964 FL OHV; 1936–1948 74" FLATHEAD OEM replacement reference 37337-36 (2461-36) Fitment 36-64 FL OHV; 36-48...

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£68.06
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£68.06
£64.80
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£64.80
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£11.48
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£11.48
£10.93
£10.93 - £10.93
£10.93

Cometic Transmission Top Cover Washer. Fiber – 1926–1973 45" (750cc) W; G; EL; FL; FLH…

Out of stock

Cometic Transmission Top Cover Washer. Fiber – 1926–1973 45" (750cc) W; G; EL; FL; FLH… Fiber version of the OEM washer that was made of leather. O...

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£11.48
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£11.48
£10.93
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£10.93
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£12.69
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£12.69
£12.08
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£12.08

Cometic Gasket Transmission Countershaft End Plate. Fiber – 1936–1964 Big Twin; 1936–1948 74"…

Only 2 left!

Cometic Gasket Transmission Countershaft End Plate. Fiber – 1936–1964 Big Twin; 1936–1948 74"… .020" fiber. OEM replacement reference 36025-36; 230...

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£12.69
£12.08
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£12.08
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