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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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£7.74 - £7.74
£7.74
£7.74 - £7.74
£7.74

Cometic Oil Pump Gasket AFM (Aluminium Foam Material) 10 Pack

in stock

Description Oil Pump GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, c...

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£7.74 - £7.74
£7.74
£7.74 - £7.74
£7.74
Cometic Replacement Seal Oil Viton
£6.42 - £6.42
£6.42
£6.42 - £6.42
£6.42

Cometic Replacement Seal Oil Viton

in stock

Description Replacement SealHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, ...

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£6.42 - £6.42
£6.42
£6.42 - £6.42
£6.42
£5.40 - £5.40
£5.40
£5.40 - £5.40
£5.40

Cometic Replacement Seal Oil Viton

in stock

Description Replacement SealHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, ...

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£5.40 - £5.40
£5.40
£5.40 - £5.40
£5.40
£8.74 - £8.74
£8.74
£8.74 - £8.74
£8.74

Cometic Replacement Washers Nylon 10 Pack

in stock

Description Replacement WashersHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not cree...

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£8.74 - £8.74
£8.74
£8.74 - £8.74
£8.74
£6.52 - £6.52
£6.52
£6.52 - £6.52
£6.52

Cometic Replacement Washers AFM (Aluminium Foam Material) 5 Pack

in stock

Description Replacement WashersHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not cree...

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£6.52 - £6.52
£6.52
£6.52 - £6.52
£6.52
Cometic Replacement Seal High Density Fibre
£6.42 - £6.42
£6.42
£6.42 - £6.42
£6.42

Cometic Replacement Seal High Density Fibre

Only 1 left!

Description Replacement SealHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, ...

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£6.42 - £6.42
£6.42
£6.42 - £6.42
£6.42
£3.82 - £3.82
£3.82
£3.82 - £3.82
£3.82

Cometic O-ring Buna 25 Pack

in stock

Description O-ringHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or b...

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£3.82 - £3.82
£3.82
£3.82 - £3.82
£3.82
Cometic Replacement Washers Rubber 10 Pack
£5.65 - £5.65
£5.65
£5.65 - £5.65
£5.65

Cometic Replacement Washers Rubber 10 Pack

in stock

Description Replacement WashersHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not cree...

View full details
£5.65 - £5.65
£5.65
£5.65 - £5.65
£5.65
£6.42 - £6.42
£6.42
£6.42 - £6.42
£6.42

Cometic Replacement Washers Copper 10 Pack

in stock

Description Replacement WashersHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not cree...

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£6.42 - £6.42
£6.42
£6.42 - £6.42
£6.42
Sold out
£3.09 - £3.09
£3.09
£3.09 - £3.09
£3.09

Cometic Oil Pump O-Ring Viton 10 Pack

Out of stock

Description Oil Pump O-RingHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, c...

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£3.09 - £3.09
£3.09
£3.09 - £3.09
£3.09
Sold out
Cometic Intake Manifold Seal Nitrile Rubber 10 Pack
£19.39 - £19.39
£19.39
£19.39 - £19.39
£19.39

Cometic Intake Manifold Seal Nitrile Rubber 10 Pack

in stock

Description Intake Manifold SealHigh-quality products for long-term reliabilityMade in the USA Specifications Riding Style: Street Product Name:...

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£19.39 - £19.39
£19.39
£19.39 - £19.39
£19.39
£8.26 - £8.26
£8.26
£8.26 - £8.26
£8.26

Cometic Pushrod Tube O-Ring Buna 25 Pack

in stock

Description Pushrod Tube O-RingHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materialsMade in the USA Spe...

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£8.26 - £8.26
£8.26
£8.26 - £8.26
£8.26
£9.62 - £9.62
£9.62
£9.62 - £9.62
£9.62

Cometic Pushrod Tube O-Ring Viton 10 Pack

in stock

Description Pushrod Tube O-RingHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materialsMade in the USA Spe...

View full details
£9.62 - £9.62
£9.62
£9.62 - £9.62
£9.62
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

in stock

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

Only 3 left!

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32
Sold out
£62.01 - £62.01
£62.01
£62.01 - £62.01
£62.01

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

Out of stock

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£62.01 - £62.01
£62.01
£62.01 - £62.01
£62.01
Sold out
Sold out
£62.01 - £62.01
£62.01
£62.01 - £62.01
£62.01

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

Out of stock

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£62.01 - £62.01
£62.01
£62.01 - £62.01
£62.01
Sold out
£62.01 - £62.01
£62.01
£62.01 - £62.01
£62.01

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

in stock

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£62.01 - £62.01
£62.01
£62.01 - £62.01
£62.01
Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

in stock

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32
Sold out
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32

Cometic Replacement Head Gaskets MLX (Multi-Layer-Xtreme) Pair

Out of stock

Description Replacement Head GasketsMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface...

View full details
£72.32 - £72.32
£72.32
£72.32 - £72.32
£72.32
Sold out
Sold out
£5.99 - £5.99
£5.99
£5.99 - £5.99
£5.99

Cometic Derby Cover Gasket AFM (Aluminium Foam Material)

Out of stock

Description Derby Cover GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep...

View full details
£5.99 - £5.99
£5.99
£5.99 - £5.99
£5.99
Sold out
£5.76 - £5.76
£5.76
£5.76 - £5.76
£5.76

Cometic Cylinder Base Gasket Viton Kit

Only 2 left!

Description Cylinder Base GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not cre...

View full details
£5.76 - £5.76
£5.76
£5.76 - £5.76
£5.76
£8.65 - £8.65
£8.65
£8.65 - £8.65
£8.65

Cometic Oil Pan Gasket Transmission AFM (Aluminium Foam Material)

in stock

Description Oil Pan GasketAluminium Foamette Material gaskets feature an aluminium core and a chemically blown, compounded nitrile synthetic rubber...

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£8.65 - £8.65
£8.65
£8.65 - £8.65
£8.65
Cometic Replacement Valve Guide Seal Valve Stem Rubber Viton
£1.44 - £1.44
£1.44
£1.44 - £1.44
£1.44

Cometic Replacement Valve Guide Seal Valve Stem Rubber Viton

in stock

Description Replacement Valve Guide SealHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will...

View full details
£1.44 - £1.44
£1.44
£1.44 - £1.44
£1.44

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