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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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James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel
£20.82 - £20.82
£20.82
£20.82 - £20.82
£20.82

James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel #JGI-25416-70-DL

in stock

DescriptionDerby/Inspection Cover Seal KitHigh-quality Genuine James Gaskets seals and O-ringsCover seals are a seal, not a gasketCover seals are m...

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£20.82 - £20.82
£20.82
£20.82 - £20.82
£20.82
James Gasket Derby Cover Gasket Rubber Silicone
£8.51 - £8.51
£8.51
£8.51 - £8.51
£8.51

James Gasket Derby Cover Gasket Rubber Silicone #JGI-17369-06

in stock

DescriptionDerby Cover GasketDerby cover gasket for Big Twin modelsSpecifications Material: Rubber| Silicone Units: Each Riding Style: Street P...

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£8.51 - £8.51
£8.51
£8.51 - £8.51
£8.51
S&S Cycle Gasket Exhaust
£9.75 - £9.75
£9.75
£9.75 - £9.75
£9.75

S&S Cycle Gasket Exhaust #93-1004-S

in stock

DescriptionGasket ExhaustExhaust pipe gasketSpecifications Units: Each Product Name: Gasket Type: Exhaust Part NumbersItem Number: 09346667Vendo...

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£9.75 - £9.75
£9.75
£9.75 - £9.75
£9.75
S&S Cycle Gasket Base Gasket Kit Cylinder Base Pair Sold out
£55.12 - £55.12
£55.12
£55.12 - £55.12
£55.12

S&S Cycle Gasket Base Gasket Kit Cylinder Base Pair #930-0139

Out of stock

DescriptionGasket BaseHighest-quality fibre-reinforced Aramid Premium material for strength and temperature resistanceSpecial additives also improv...

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£55.12 - £55.12
£55.12
£55.12 - £55.12
£55.12
Sold out
S&S Cycle Gasket Head Pair
£90.71 - £90.71
£90.71
£90.71 - £90.71
£90.71

S&S Cycle Gasket Head Pair #930-0140

in stock

DescriptionGasket HeadHead gasketSpecifications Features: Stock Bolt Pattern Units: Pair Product Name: Gasket Bore Size: 4,250" Part NumbersIte...

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£90.71 - £90.71
£90.71
£90.71 - £90.71
£90.71
James Gasket Primary Gasket, Seal, and O-Ring Kit Gasket Kit
£60.77 - £60.77
£60.77
£60.77 - £60.77
£60.77

James Gasket Primary Gasket, Seal, and O-Ring Kit Gasket Kit #JGI-25700378-K

in stock

DescriptionPrimary Gasket, Seal, and O-Ring KitTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features sili...

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£60.77 - £60.77
£60.77
£60.77 - £60.77
£60.77
James Gasket Rocker Box Gasket Kit
£65.95 - £65.95
£65.95
£65.95 - £65.95
£65.95

James Gasket Rocker Box Gasket Kit #JGI-17030-17

in stock

DescriptionRocker Box Gasket KitMade in the U.S.A.Specifications Product Name: Gasket Kit Type: Rocker Box Units: Kit Riding Style: Street Part...

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£65.95 - £65.95
£65.95
£65.95 - £65.95
£65.95
James Gasket Cam Change Gasket Kit Paper
£45.43 - £45.43
£45.43
£45.43 - £45.43
£45.43

James Gasket Cam Change Gasket Kit Paper #JGI-25700370-K

in stock

DescriptionCam Change Gasket KitKit includes all necessary gaskets, seals, O-rings and cork washers for doing a cam changeSpecifications Material:...

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£45.43 - £45.43
£45.43
£45.43 - £45.43
£45.43
James Gasket Replacement Engine Gasket Gasket Kit Motor
£125.42 - £125.42
£125.42
£125.42 - £125.42
£125.42

James Gasket Replacement Engine Gasket Gasket Kit Motor #JGI-25700730

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Units: Each Riding Style: Street Product Name: Gasket Kit Type: Mot...

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£125.42 - £125.42
£125.42
£125.42 - £125.42
£125.42
James Gasket Replacement Engine Gasket Gasket Kit Top End
£100.81 - £100.81
£100.81
£100.81 - £100.81
£100.81

James Gasket Replacement Engine Gasket Gasket Kit Top End #JGI-25700729

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Riding Style: Street Product Name: Gasket Kit Type: Top End Units: ...

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£100.81 - £100.81
£100.81
£100.81 - £100.81
£100.81
James Gasket Transmission Gasket/Seal Kit Gasket Kit
£97.30 - £97.30
£97.30
£97.30 - £97.30
£97.30

James Gasket Transmission Gasket/Seal Kit Gasket Kit #JGI-33031-17

in stock

DescriptionTransmission Gasket/Seal KitAvailable with gaskets and sealsMade in the USASpecifications Type: Transmission Units: Kit Product Name:...

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£97.30 - £97.30
£97.30
£97.30 - £97.30
£97.30
James Gasket Replacement Engine Gasket Primary Cover
£42.51 - £42.51
£42.51
£42.51 - £42.51
£42.51

James Gasket Replacement Engine Gasket Primary Cover #JGI-25700378

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Type: Primary Cover Riding Style: Street Units: Each Product Name: ...

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£42.51 - £42.51
£42.51
£42.51 - £42.51
£42.51
James Gasket Replacement Engine Gasket Cam Cover 5 Pack
£57.45 - £57.45
£57.45
£57.45 - £57.45
£57.45

James Gasket Replacement Engine Gasket Cam Cover 5 Pack #JGI-25700370

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Units: 5 Pack Product Name: Gasket Type: Cam Cover Riding Style: St...

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£57.45 - £57.45
£57.45
£57.45 - £57.45
£57.45
James Gasket Replacement Engine Gasket Rocker Cover Pair
£24.11 - £24.11
£24.11
£24.11 - £24.11
£24.11

James Gasket Replacement Engine Gasket Rocker Cover Pair #JGI-25700372

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Units: Pair Riding Style: Street Type: Rocker Cover Product Name: G...

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£24.11 - £24.11
£24.11
£24.11 - £24.11
£24.11
James Gasket Replacement Engine Gasket Cylinder Base Pair
£42.14 - £42.14
£42.14
£42.14 - £42.14
£42.14

James Gasket Replacement Engine Gasket Cylinder Base Pair #JGI-16500332

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Type: Cylinder Base Units: Pair Riding Style: Street Product Name: ...

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£42.14 - £42.14
£42.14
£42.14 - £42.14
£42.14
S&S Cycle Cam Cover Gasket
£19.68 - £19.68
£19.68
£19.68 - £19.68
£19.68

S&S Cycle Cam Cover Gasket #310-0911

in stock

DescriptionCam Cover GasketCam cover gasket for M8Specifications Riding Style: Street Units: Each Type: Cam Cover Product Name: Gasket Part Num...

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£19.68 - £19.68
£19.68
£19.68 - £19.68
£19.68
James Gasket Replacement Engine Gasket Derby Cover 5 Pack
£71.39 - £71.39
£71.39
£71.39 - £71.39
£71.39

James Gasket Replacement Engine Gasket Derby Cover 5 Pack #JGI-25416-14

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Units: 5 Pack Product Name: Gasket Type: Derby Cover Riding Style: ...

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£71.39 - £71.39
£71.39
£71.39 - £71.39
£71.39
James Gasket Breather Gasket Foamet® 5 Pack
£33.25 - £33.25
£33.25
£33.25 - £33.25
£33.25

James Gasket Breather Gasket Foamet® 5 Pack #JGI-17591-99-F

in stock

DescriptionBreather GasketHigh-quality genuine James GasketsFoamet® product line features an aluminium core coated on two sides with expanded nitri...

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£33.25 - £33.25
£33.25
£33.25 - £33.25
£33.25
S&S Cycle Tapered Exhaust Gasket
£6.66 - £6.66
£6.66
£6.66 - £6.66
£6.66

S&S Cycle Tapered Exhaust Gasket #106-5029

in stock

DescriptionTapered Exhaust GasketDesigned to work with Evolution Big Twin models' spherical exhaust portSpecifications Product Name: Gasket Type:...

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£6.66 - £6.66
£6.66
£6.66 - £6.66
£6.66
S&S Cycle Tappet Guide Gaskets Pair
£9.17 - £9.17
£9.17
£9.17 - £9.17
£9.17

S&S Cycle Tappet Guide Gaskets Pair #33-5302

in stock

DescriptionTappet Guide GasketsTappet Guide Gasket for S&S Super Stock CrankcasesSpecifications Units: Pair Product Name: Gasket Riding ...

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£9.17 - £9.17
£9.17
£9.17 - £9.17
£9.17
S&S Cycle Die-Cast Rocker Cover Gasket
£17.87 - £17.87
£17.87
£17.87 - £17.87
£17.87

S&S Cycle Die-Cast Rocker Cover Gasket - 90-4079

in stock

DescriptionDie-Cast Rocker Cover GasketReplacement seal for EVO Big Twin and S&S 4-1/8 bore motorsSpecifications Product Name: Gasket Uni...

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£17.87 - £17.87
£17.87
£17.87 - £17.87
£17.87
S&S Cycle Head Gaskets Cylinder Head Steel Pair
£74.38 - £74.38
£74.38
£74.38 - £74.38
£74.38

S&S Cycle Head Gaskets Cylinder Head Steel Pair #900-0605

in stock

DescriptionHead GasketsHead gaskets are made from aramid fibre-reinforced premium graphite material with a steel core, stainless steel fire ring an...

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£74.38 - £74.38
£74.38
£74.38 - £74.38
£74.38
S&S Cycle Rocker Box Washer Rubber Steel
£7.30 - £7.30
£7.30
£7.30 - £7.30
£7.30

S&S Cycle Rocker Box Washer Rubber Steel #50-7015

in stock

DescriptionRocker Box WasherReplacement rubber coated steel, screw sealing washer for S&S rocker boxes.Specifications Material: Rubber| St...

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£7.30 - £7.30
£7.30
£7.30 - £7.30
£7.30
S&S Cycle Bowl Gaskets Super E Super G Float Bowl
£7.50 - £7.50
£7.50
£7.50 - £7.50
£7.50

S&S Cycle Bowl Gaskets Super E Super G Float Bowl #11-2386

in stock

DescriptionBowl GasketsBowl Gasket for Super E & G CarburetorsMade in the USASpecifications Riding Style: Street Units: Each Type: Float Bow...

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£7.50 - £7.50
£7.50
£7.50 - £7.50
£7.50

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