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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 Breather Assembly Gasket Kit
£19.67 - £19.67
£19.67
£19.67 - £19.67
£19.67

James Gasket Breather Assembly Gasket Kit #JGI-17025-03-K

in stock

DescriptionBreather Assembly Gasket KitHigh-quality genuine James GasketsMade in the USASpecifications Type: Breather Riding Style: Street Produ...

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£19.67 - £19.67
£19.67
£19.67 - £19.67
£19.67
James Gasket Primary Gasket Gasket Kit Primary Cover Foamet® Silicone
£100.60 - £100.60
£100.60
£100.60 - £100.60
£100.60

James Gasket Primary Gasket Gasket Kit Primary Cover Foamet® Silicone #JGI-34901-94-KF

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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£100.60 - £100.60
£100.60
£100.60 - £100.60
£100.60
James Gasket Primary Gasket Gasket Kit Primary Cover Foamet®
£100.60 - £100.60
£100.60
£100.60 - £100.60
£100.60

James Gasket Primary Gasket Gasket Kit Primary Cover Foamet® #JGI-60538-85-KF

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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£100.60 - £100.60
£100.60
£100.60 - £100.60
£100.60
James Gasket Primary Gasket Gasket Kit Primary Cover Foamet® Silicone
£53.58 - £53.58
£53.58
£53.58 - £53.58
£53.58

James Gasket Primary Gasket Gasket Kit Primary Cover Foamet® Silicone #JGI-25352-00-KF

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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£53.58 - £53.58
£53.58
£53.58 - £53.58
£53.58
S&S Cycle Lower Rocker Cover Gasket Kit Rocker Box
£36.73 - £36.73
£36.73
£36.73 - £36.73
£36.73

S&S Cycle Lower Rocker Cover Gasket Kit Rocker Box #90-4120

in stock

DescriptionLower Rocker Cover Gasket KitIncludes the lower rocker box gaskets only for both rocker boxesThese gaskets must be used when installing ...

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£36.73 - £36.73
£36.73
£36.73 - £36.73
£36.73
James Gasket Derby/Inspection Cover Gasket Kit Primary Derby Cover Aluminium Foamet® 5 Pack
£71.39 - £71.39
£71.39
£71.39 - £71.39
£71.39

James Gasket Derby/Inspection Cover Gasket Kit Primary Derby Cover Aluminium Foamet® 5 Pack #JGI-25416-99-F

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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£71.39 - £71.39
£71.39
£71.39 - £71.39
£71.39
James Gasket Transmission Oil Pan Gasket Paper 5 Pack
£48.93 - £48.93
£48.93
£48.93 - £48.93
£48.93

James Gasket Transmission Oil Pan Gasket Paper 5 Pack #JGI-26077-99

in stock

DescriptionTransmission Oil Pan GasketFoamet® product line features an aluminium core coated on two sides with expanded nitrile rubber, then coated...

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£48.93 - £48.93
£48.93
£48.93 - £48.93
£48.93
S&S Cycle Rocker Cover Gasket Kit Rocker Box
£129.98 - £129.98
£129.98
£129.98 - £129.98
£129.98

S&S Cycle Rocker Cover Gasket Kit Rocker Box #90-4097

in stock

DescriptionRocker Cover Gasket KitIncludes all required gaskets and O-rings for both rocker boxesSpecifications Product Name: Gasket Kit Type: Ro...

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£129.98 - £129.98
£129.98
£129.98 - £129.98
£129.98
James Gasket Replacement Cylinder Head and Compliance Fitting Gaskets Silicone 5 Pack
£66.24 - £66.24
£66.24
£66.24 - £66.24
£66.24

James Gasket Replacement Cylinder Head and Compliance Fitting Gaskets Silicone 5 Pack #JGI-16775-99-X

in stock

DescriptionReplacement Cylinder Head and Compliance Fitting GasketsMade in the USASpecifications Product Name: Gasket Type: Cylinder Head Bore S...

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£66.24 - £66.24
£66.24
£66.24 - £66.24
£66.24
James Gasket Replacement Cylinder Head and Compliance Fitting Gaskets Armor 5 Pack
£62.19 - £62.19
£62.19
£62.19 - £62.19
£62.19

James Gasket Replacement Cylinder Head and Compliance Fitting Gaskets Armor 5 Pack #JGI-16775-99

in stock

DescriptionReplacement Cylinder Head and Compliance Fitting GasketsMade in the USASpecifications Product Name: Gasket Bore Size Imperial: 3.750" ...

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£62.19 - £62.19
£62.19
£62.19 - £62.19
£62.19
James Gasket Derby/Inspection Cover Gasket Kit Primary Aluminium Foamet® 5 Pack
£32.92 - £32.92
£32.92
£32.92 - £32.92
£32.92

James Gasket Derby/Inspection Cover Gasket Kit Primary Aluminium Foamet® 5 Pack #JGI-60567-90-F

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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£32.92 - £32.92
£32.92
£32.92 - £32.92
£32.92
James Gasket Deflector Plate Gasket/Seal Kit Gasket Kit Shift Lever Starter Housing Moulded Rubber Steel
£27.90 - £27.90
£27.90
£27.90 - £27.90
£27.90

James Gasket Deflector Plate Gasket/Seal Kit Gasket Kit Shift Lever Starter Housing Moulded Rubber Steel #60518-65-DLK

in stock

DescriptionDeflector Plate Gasket/Seal KitGenuine James gaskets and sealsMade in the USASpecifications Material: Moulded Rubber| Steel Product Na...

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£27.90 - £27.90
£27.90
£27.90 - £27.90
£27.90
James Gasket Primary Gasket Primary Cover Foamet®
£46.62 - £46.62
£46.62
£46.62 - £46.62
£46.62

James Gasket Primary Gasket Primary Cover Foamet® #JGI-34955-89-F

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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£46.62 - £46.62
£46.62
£46.62 - £46.62
£46.62
James Gasket Primary Gasket Primary Cover Foamet®
£46.62 - £46.62
£46.62
£46.62 - £46.62
£46.62

James Gasket Primary Gasket Primary Cover Foamet® #JGI-34955-75-F

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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£46.62 - £46.62
£46.62
£46.62 - £46.62
£46.62
James Gasket Replacement Rocker Box Cover Gaskets Inner Rocker Cover Rubber 10 Pack
£29.29 - £29.29
£29.29
£29.29 - £29.29
£29.29

James Gasket Replacement Rocker Box Cover Gaskets Inner Rocker Cover Rubber 10 Pack #JGI-17695-07

in stock

DescriptionReplacement Rocker Box Cover GasketsTop quality Genuine James gasketsMade in the USASpecifications Mounting Position: Inner Features: ...

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£29.29 - £29.29
£29.29
£29.29 - £29.29
£29.29
James Gasket Replacement Rocker Box Cover Gaskets Lower Rocker Cover Rubber 5 Pack
£53.80 - £53.80
£53.80
£53.80 - £53.80
£53.80

James Gasket Replacement Rocker Box Cover Gaskets Lower Rocker Cover Rubber 5 Pack #JGI-17362-07

in stock

DescriptionReplacement Rocker Box Cover GasketsTop quality Genuine James gasketsMade in the USASpecifications Material: Rubber Riding Style: Stre...

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£53.80 - £53.80
£53.80
£53.80 - £53.80
£53.80
James Gasket Rocker Box Gasket Kit Rubber
£88.20 - £88.20
£88.20
£88.20 - £88.20
£88.20

James Gasket Rocker Box Gasket Kit Rubber #JGI-17030-07-X

in stock

DescriptionRocker Box Gasket KitMade in the U.S.A.Specifications Units: Kit Type: Rocker Box Product Name: Gasket Kit Material: Rubber Riding ...

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£88.20 - £88.20
£88.20
£88.20 - £88.20
£88.20
James Gasket Complete Gasket Kit Rubber-Covered Metal
£222.78 - £222.78
£222.78
£222.78 - £222.78
£222.78

James Gasket Complete Gasket Kit Rubber-Covered Metal #JGI-17047-07-X

in stock

DescriptionComplete Gasket KitTop-quality gaskets, oil seals, and o-rings necessary to rebuild an XL/XG engineMade in the USAKit Includes:• 0.045" ...

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£222.78 - £222.78
£222.78
£222.78 - £222.78
£222.78
James Gasket Top End Gasket Kit Rubber-Covered Metal
£133.88 - £133.88
£133.88
£133.88 - £133.88
£133.88

James Gasket Top End Gasket Kit Rubber-Covered Metal #JGI-17049-07-X

in stock

DescriptionTop End Gasket KitTop-quality gaskets, oil seals and O-rings necessary to rebuild an engineMade in the USAKit Includes:• Head Gaskets• R...

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£133.88 - £133.88
£133.88
£133.88 - £133.88
£133.88
James Gasket Primary Cover Gasket Inner Rubber Steel
£31.31 - £31.31
£31.31
£31.31 - £31.31
£31.31

James Gasket Primary Cover Gasket Inner Rubber Steel #JGI-34934-06

in stock

DescriptionPrimary Cover GasketTop quality gasketMade in the USASpecifications Riding Style: Street Product Name: Gasket Mounting Position: Inne...

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£31.31 - £31.31
£31.31
£31.31 - £31.31
£31.31
James Gasket Derby/Inspection Cover Gasket Kit Primary Aluminium Foamet® 5 Pack
£24.48 - £24.48
£24.48
£24.48 - £24.48
£24.48

James Gasket Derby/Inspection Cover Gasket Kit Primary Aluminium Foamet® 5 Pack #JGI-34990-08

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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£24.48 - £24.48
£24.48
£24.48 - £24.48
£24.48
James Gasket Rocker Box Gasket Kit Steel
£93.15 - £93.15
£93.15
£93.15 - £93.15
£93.15

James Gasket Rocker Box Gasket Kit Steel #JGI-17030-91-X

in stock

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

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£93.15 - £93.15
£93.15
£93.15 - £93.15
£93.15
James Gasket Complete Gasket Kit Rubber-Covered Metal
£222.78 - £222.78
£222.78
£222.78 - £222.78
£222.78

James Gasket Complete Gasket Kit Rubber-Covered Metal #JGI-17047-04-X

in stock

DescriptionComplete Gasket KitTop-quality gaskets, oil seals, and o-rings necessary to rebuild an XL/XG engineMade in the USAKit Includes:• 0.045" ...

View full details
£222.78 - £222.78
£222.78
£222.78 - £222.78
£222.78
James Gasket Top End Gasket Kit Rubber-Covered Metal
£133.88 - £133.88
£133.88
£133.88 - £133.88
£133.88

James Gasket Top End Gasket Kit Rubber-Covered Metal #JGI-17049-04-X

in stock

DescriptionTop End Gasket KitTop-quality gaskets, oil seals and O-rings necessary to rebuild an engineMade in the USAKit Includes:• Head Gaskets• R...

View full details
£133.88 - £133.88
£133.88
£133.88 - £133.88
£133.88

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