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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 Metal Base Gaskets Front Rear Cylinder Base Silicone Pair
£44.68 - £44.68
£44.68
£44.68 - £44.68
£44.68

James Gasket Metal Base Gaskets Front Rear Cylinder Base Silicone Pair - JGI-16777-94

in stock

DescriptionMetal Base GasketsGenuine James Gasket base gaskets features a steel base with silicone beading on both sidesWill not become brittle or ...

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£44.68 - £44.68
£44.68
£44.68 - £44.68
£44.68
James Gasket Primary Gasket Primary Cover Paper 10 Pack
£92.60 - £92.60
£92.60
£92.60 - £92.60
£92.60

James Gasket Primary Gasket Primary Cover Paper 10 Pack - JGI-34955-75

in stock

DescriptionPrimary GasketTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in th...

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£92.60 - £92.60
£92.60
£92.60 - £92.60
£92.60
James Gasket Primary Gasket Primary Cover Paper 10 Pack
£96.63 - £96.63
£96.63
£96.63 - £96.63
£96.63

James Gasket Primary Gasket Primary Cover Paper 10 Pack - JGI-34955-89

in stock

DescriptionPrimary GasketTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in th...

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£96.63 - £96.63
£96.63
£96.63 - £96.63
£96.63
James Gasket Cylinder Head/Base Gasket Kit Standard Bore Cylinder Base
£35.02 - £35.02
£35.02
£35.02 - £35.02
£35.02

James Gasket Cylinder Head/Base Gasket Kit Standard Bore Cylinder Base - JGI-16787-99-X

in stock

DescriptionCylinder Head/Base Gasket KitGenuine James kit includes matching head and base gaskets and O-rings where applicableAvailable in standard...

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£35.02 - £35.02
£35.02
£35.02 - £35.02
£35.02
James Gasket Cylinder Head/Base Gasket Kit Standard Bore Cylinder Base
£35.02 - £35.02
£35.02
£35.02 - £35.02
£35.02

James Gasket Cylinder Head/Base Gasket Kit Standard Bore Cylinder Base - JGI-16787-99

in stock

DescriptionCylinder Head/Base Gasket KitGenuine James kit includes matching head and base gaskets and O-rings where applicableAvailable in standard...

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£35.02 - £35.02
£35.02
£35.02 - £35.02
£35.02
James Gasket Carburetor-to-Intake Manifold Seal Kit 5 Pack
£47.27 - £47.27
£47.27
£47.27 - £47.27
£47.27

James Gasket Carburetor-to-Intake Manifold Seal Kit 5 Pack - JGI-29639-99

in stock

DescriptionCarburetor-to-Intake Manifold Seal KitKit contains carb-to-intake seal and two intake-to-cylinder head sealsSpecifications Riding Style...

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£47.27 - £47.27
£47.27
£47.27 - £47.27
£47.27
James Gasket Carburetor-to-Intake Manifold Seal Kit For Screaming Eagle Carbs
£18.16 - £18.16
£18.16
£18.16 - £18.16
£18.16

James Gasket Carburetor-to-Intake Manifold Seal Kit For Screaming Eagle Carbs - JGI-27002-00

in stock

DescriptionCarburetor-to-Intake Manifold Seal KitKit contains carb-to-intake seal and two intake-to-cylinder head sealsSpecifications Application:...

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£18.16 - £18.16
£18.16
£18.16 - £18.16
£18.16
James Gasket Main Drive Gear Seal Kit 5 Pack
£16.47 - £16.47
£16.47
£16.47 - £16.47
£16.47

James Gasket Main Drive Gear Seal Kit 5 Pack - JGI-12035-B

in stock

DescriptionMain Drive Gear Seal KitTop quality main drive gear shaft sealsSpecifications Riding Style: Street Units: 5 Pack Product Name: Seal ...

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£16.47 - £16.47
£16.47
£16.47 - £16.47
£16.47
James Gasket Derby/Inspection Cover Gasket Kit Primary Silicone Steel 5 Pack
£48.51 - £48.51
£48.51
£48.51 - £48.51
£48.51

James Gasket Derby/Inspection Cover Gasket Kit Primary Silicone Steel 5 Pack - JGI-34906-85-X

in stock

DescriptionDerby/Inspection Cover Gasket KitHigh-quality Genuine James GasketsFoamet® product line features an aluminium core coated on two sides w...

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£48.51 - £48.51
£48.51
£48.51 - £48.51
£48.51
James Gasket Oil Pump Retaining Ring 10 Pack
£9.25 - £9.25
£9.25
£9.25 - £9.25
£9.25

James Gasket Oil Pump Retaining Ring 10 Pack - JGI-11002

in stock

DescriptionOil Pump Retaining RingReplacement oil pump shaft snap ring for Shovelhead Cam ChestSpecifications Type: Oil Pump Product Name: Retain...

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£9.25 - £9.25
£9.25
£9.25 - £9.25
£9.25
James Gasket Primary Gasket Gasket Kit Primary Cover Paper Silicone
£61.65 - £61.65
£61.65
£61.65 - £61.65
£61.65

James Gasket Primary Gasket Gasket Kit Primary Cover Paper Silicone - JGI-60538-81-K

in stock

DescriptionPrimary GasketTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in th...

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£61.65 - £61.65
£61.65
£61.65 - £61.65
£61.65
James Gasket Oil Pump Gasket Kit Gasket Set
£18.32 - £18.32
£18.32
£18.32 - £18.32
£18.32

James Gasket Oil Pump Gasket Kit Gasket Set - JGI-36-FLH

in stock

DescriptionOil Pump Gasket KitMade in the U.S.A.Specifications Product Name: Gasket Set Type: Oil Pump Units: Kit Riding Style: Street Part Num...

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£18.32 - £18.32
£18.32
£18.32 - £18.32
£18.32
James Gasket Exhaust Gaskets Crossover
£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98

James Gasket Exhaust Gaskets Crossover - JGI-65826-90

in stock

DescriptionExhaust GasketsHigh-quality exhaust port gasketsMade in the USA by James GasketsAvailable in dealer packs of five (sold each), dealer pa...

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£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98
James Gasket Fuel Fitting O-Ring Oil 10 Pack
£9.48 - £9.48
£9.48
£9.48 - £9.48
£9.48

James Gasket Fuel Fitting O-Ring Oil 10 Pack - JGI-27237-95

in stock

DescriptionFuel Fitting O-RingMade in the U.S.A.Specifications Type: Oil Riding Style: Street Units: 10 Pack Product Name: O-Ring Application:...

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£9.48 - £9.48
£9.48
£9.48 - £9.48
£9.48
James Gasket Derby/Inspection Cover Gasket Kit 4-Speed Primary Paper Silicone 10 Pack
£20.42 - £20.42
£20.42
£20.42 - £20.42
£20.42

James Gasket Derby/Inspection Cover Gasket Kit 4-Speed Primary Paper Silicone 10 Pack - JGI-60567-65-C

in stock

DescriptionDerby/Inspection Cover Gasket KitHigh-quality Genuine James GasketsFoamet® product line features an aluminium core coated on two sides w...

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£20.42 - £20.42
£20.42
£20.42 - £20.42
£20.42
James Gasket Derby/Inspection Cover Gasket Kit 4-Speed Primary Paper Silicone 5 Pack
£23.89 - £23.89
£23.89
£23.89 - £23.89
£23.89

James Gasket Derby/Inspection Cover Gasket Kit 4-Speed Primary Paper Silicone 5 Pack - JGI-60567-90

in stock

DescriptionDerby/Inspection Cover Gasket KitHigh-quality Genuine James GasketsFoamet® product line features an aluminium core coated on two sides w...

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£23.89 - £23.89
£23.89
£23.89 - £23.89
£23.89
James Gasket Replacement Washers Inner Chain Cover
£36.49 - £36.49
£36.49
£36.49 - £36.49
£36.49

James Gasket Replacement Washers Inner Chain Cover - JGI-63859-95

in stock

DescriptionReplacement WashersQuality washers made to lastMade in the U.S.A.Specifications Features: Includes Adhesive Mounting Position: Inner ...

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£36.49 - £36.49
£36.49
£36.49 - £36.49
£36.49
James Gasket Exhaust Gaskets Fire Ring Exhaust Port Steel 10 Pack
£45.93 - £45.93
£45.93
£45.93 - £45.93
£45.93

James Gasket Exhaust Gaskets Fire Ring Exhaust Port Steel 10 Pack - JGI-65834-68-SC

in stock

DescriptionExhaust GasketsHigh-quality exhaust port gasketsMade in the USA by James GasketsAvailable in dealer packs of five (sold each), dealer pa...

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£45.93 - £45.93
£45.93
£45.93 - £45.93
£45.93
James Gasket Float Bowl Gasket Paper 10 Pack
£26.20 - £26.20
£26.20
£26.20 - £26.20
£26.20

James Gasket Float Bowl Gasket Paper 10 Pack - JGI-27391-36

in stock

DescriptionFloat Bowl GasketMade in the U.S.A.Specifications Type: Float Bowl Riding Style: Street Units: 10 Pack Product Name: Gasket Materia...

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£26.20 - £26.20
£26.20
£26.20 - £26.20
£26.20
James Gasket Replacement Back Plate Gasket Air Cleaner Backplate Paper 10 Pack
£23.99 - £23.99
£23.99
£23.99 - £23.99
£23.99

James Gasket Replacement Back Plate Gasket Air Cleaner Backplate Paper 10 Pack - JGI-29313-95

in stock

DescriptionReplacement Back Plate GasketThe MicroPore® paper gasket exhibit exceptional fluid resistance and sealability in a wide range of applica...

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£23.99 - £23.99
£23.99
£23.99 - £23.99
£23.99
James Gasket Air Cleaner to Carburetor Gasket Paper 10 Pack
£14.95 - £14.95
£14.95
£14.95 - £14.95
£14.95

James Gasket Air Cleaner to Carburetor Gasket Paper 10 Pack - JGI-29059-88-A

in stock

DescriptionAir Cleaner to Carburetor GasketThe MicroPore® paper gasket exhibit exceptional fluid resistance and sealability in a wide range of appl...

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£14.95 - £14.95
£14.95
£14.95 - £14.95
£14.95
James Gasket Air Cleaner to Carburetor Gasket Paper Steel 5 Pack
£11.08 - £11.08
£11.08
£11.08 - £11.08
£11.08

James Gasket Air Cleaner to Carburetor Gasket Paper Steel 5 Pack - JGI-29059-88-X

in stock

DescriptionAir Cleaner to Carburetor GasketThe MicroPore® paper gasket exhibit exceptional fluid resistance and sealability in a wide range of appl...

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£11.08 - £11.08
£11.08
£11.08 - £11.08
£11.08
James Gasket Cylinder Head Gasket/O-Rings Carbon Graphite 2 Pack
£35.38 - £35.38
£35.38
£35.38 - £35.38
£35.38

James Gasket Cylinder Head Gasket/O-Rings Carbon Graphite 2 Pack - JGI-16770-84-X

in stock

DescriptionCylinder Head Gasket/O-RingsAll are top-quality genuine James gaskets and O-ringsMade in the USASpecifications Thickness Imperial: 0.03...

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£35.38 - £35.38
£35.38
£35.38 - £35.38
£35.38
James Gasket Cylinder Head Gasket/O-Rings Carbon Graphite 5 Pack
£56.86 - £56.86
£56.86
£56.86 - £56.86
£56.86

James Gasket Cylinder Head Gasket/O-Rings Carbon Graphite 5 Pack - JGI-16770-84-B

in stock

DescriptionCylinder Head Gasket/O-RingsAll are top-quality genuine James gaskets and O-ringsMade in the USAThese are optional replacements for simi...

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£56.86 - £56.86
£56.86
£56.86 - £56.86
£56.86

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