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Engine - Gaskets & Kits

Explore gaskets + kits within the engine range, with products grouped for motorcycle servicing, repair and custom work. The selection includes options relating to engine components and gaskets, seals and service parts, subject to current availability. Review the listing-level measurements, supplied parts and fitment information before making a selection.

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Cometic Transmission Gasket Set for 1970-1979 Harley-Davidson Touring and 1971-1979 Harley-Davidson FXR Save 15% Save %
£36.73
£36.73 - £36.73
£36.73
£31.22
£31.22 - £31.22
£31.22

Cometic Transmission Gasket Kit - Complete Transmission Gasket KIT Shovel-bt E70-e79 for Harley-Davidson Touring & Softail 1970-1980

In stock

DescriptionTransmission Gasket Kit High-quality products for long-term reliability Kit includes all necessary gaskets, seals and O-rings needed for...

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£36.73
£36.73 - £36.73
£36.73
£31.22
£31.22 - £31.22
£31.22
Save 15% Save %
Cometic Transmission Gasket Set for 1999-2006 Harley-Davidson Touring and 2000-2006 Harley-Davidson Softail Save 11% Save %
£38.01
£38.01 - £38.01
£38.01
£33.78
£33.78 - £33.78
£33.78

Cometic Transmission Gasket Kit - Complete Transmission Gasket Kittc 99-06 for Harley-Davidson Touring & Softail 1999-2006

In stock

DescriptionTransmission Gasket Kit High-quality products for long-term reliability Kit includes all necessary gaskets, seals and O-rings needed for...

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£38.01
£38.01 - £38.01
£38.01
£33.78
£33.78 - £33.78
£33.78
Save 11% Save %
Cometic Transmission Gasket Set for 1999-2005 Harley-Davidson Dyna Save 11% Save %
£38.01
£38.01 - £38.01
£38.01
£33.78
£33.78 - £33.78
£33.78

Cometic Transmission Gasket Kit - Complete Transmission Gasket KIT for Harley-Davidson Dyna 1999-2000

In stock

DescriptionTransmission Gasket Kit High-quality products for long-term reliability Kit includes all necessary gaskets, seals and O-rings needed for...

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£38.01
£38.01 - £38.01
£38.01
£33.78
£33.78 - £33.78
£33.78
Save 11% Save %
Cometic Transmission Gasket Set for 1993-1999 Harley-Davidson Softail and 1993-1998 Harley-Davidson Touring Motorcycles Save 13% Save %
£57.17
£57.17 - £57.17
£57.17
£49.83
£49.83 - £49.83
£49.83

Cometic Transmission Gasket Kit for Harley-Davidson Touring, Softail, Dyna & FXR 1992-1999

In stock

DescriptionTransmission Gasket Kit High-quality products for long-term reliability Kit includes all necessary gaskets, seals and O-rings needed for...

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£57.17
£57.17 - £57.17
£57.17
£49.83
£49.83 - £49.83
£49.83
Save 13% Save %
Cometic Transmission Gasket Set for 1999-2000 Harley-Davidson FXR and 1991-1998 Harley-Davidson Dyna
Save 11% Save %
£45.20
£45.20 - £45.20
£45.20
£40.17
£40.17 - £40.17
£40.17

Cometic Transmission Gasket Kit - 5-Speed for Harley-Davidson Dyna 1991-1998

Low stock

DescriptionTransmission Gasket Kit High-quality products for long-term reliability Kit includes all necessary gaskets, seals and O-rings needed for...

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£45.20
£45.20 - £45.20
£45.20
£40.17
£40.17 - £40.17
£40.17
Save 11% Save %
Cometic Transmission Gasket Set for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£82.96
£82.96 - £82.96
£82.96
£73.77
£73.77 - £73.77
£73.77

Cometic Transmission Gasket Kit - 5-Speed for Harley-Davidson Touring, Softail & FXR 1983-1993

In stock

DescriptionTransmission Gasket Kit High-quality products for long-term reliability Kit includes all necessary gaskets, seals and O-rings needed for...

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£82.96
£82.96 - £82.96
£82.96
£73.77
£73.77 - £73.77
£73.77
Save 11% Save %
Cometic Top End Gasket Set for Big Twin for 1966-1984 Harley-Davidson Touring and 1971-1984 Harley-Davidson FXR
Save 15% Save %
£118.71
£118.71 - £118.71
£118.71
£100.97
£100.97 - £100.97
£100.97

Cometic V-Twin Top End Gasket Kits - Foam / MLS (Multi-layer Steel) / Viton for Harley-Davidson Touring 1970-1982

In stock

DescriptionV-Twin Top End Gasket Kits EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets ...

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£118.71
£118.71 - £118.71
£118.71
£100.97
£100.97 - £100.97
£100.97
Save 15% Save %
Cometic Top End Gasket Set for Big Twin for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£117.07
£117.07 - £117.07
£117.07
£104.09
£104.09 - £104.09
£104.09

Cometic V-Twin Top End Gasket Kits - Rubber / Stainless Steel for Harley-Davidson Touring 1992-1998

Low stock

DescriptionV-Twin Top End Gasket Kits EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets ...

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£117.07
£117.07 - £117.07
£117.07
£104.09
£104.09 - £104.09
£104.09
Save 11% Save %
Cometic Top End Gasket Set for Big Twin for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 15% Save %
£122.80
£122.80 - £122.80
£122.80
£104.45
£104.45 - £104.45
£104.45

Cometic V-Twin Top End Gasket Kits - Rubber / Stainless Steel for Harley-Davidson Touring 1987-1991

In stock

DescriptionV-Twin Top End Gasket Kits EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets ...

View full details
£122.80
£122.80 - £122.80
£122.80
£104.45
£104.45 - £104.45
£104.45
Save 15% Save %
Cometic Top End Gasket Set for Buell for 2003-2006 Buell XB9R Firebolt Motorcycles
Save 15% Save %
£129.11
£129.11 - £129.11
£129.11
£109.80
£109.80 - £109.80
£109.80

Cometic V-Twin Top End Gasket Kits - Rubber / Stainless Steel for Harley-Davidson Buell 2002-2004

In stock

DescriptionV-Twin Top End Gasket Kits EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets ...

View full details
£129.11
£129.11 - £129.11
£129.11
£109.80
£109.80 - £109.80
£109.80
Save 15% Save %
Cometic Extreme Sealing Technology (EST) Complete Gasket Set for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£294.73
£294.73 - £294.73
£294.73
£262.10
£262.10 - £262.10
£262.10

Cometic Extreme Sealing Technology Complete Gasket Kit - AFM (Aluminum Foam Material) / Steel / Viton for Harley-Davidson S for Harley-Davidson Touring, Softail, Dyna & FXR 1991

In stock

DescriptionExtreme Sealing Technology Complete Gasket Kit Every gasket in the kit uses the best materials possible for its intended application Mul...

View full details
£294.73
£294.73 - £294.73
£294.73
£262.10
£262.10 - £262.10
£262.10
Save 11% Save %
Extreme Sealing Technology Complete Gasket Kit Classic
Save 15% Save %
£140.12
£140.12 - £140.12
£140.12
£119.15
£119.15 - £119.15
£119.15

Cometic Extreme Sealing Technology Complete Gasket Kit - AFM (Aluminum Foam Material) / MLS (Multi-layer Steel) / Steel / Viton for Harley-Davidson Touring 1970-1984

In stock

DescriptionExtreme Sealing Technology Complete Gasket Kit Every gasket in the kit uses the best materials possible for its intended application Mul...

View full details
£140.12
£140.12 - £140.12
£140.12
£119.15
£119.15 - £119.15
£119.15
Save 15% Save %
Cometic Extreme Sealing Technology (EST) Motor Only Gasket Set for Various Various Harley-Davidson Motorcycles (See Fitment List)
Sold out
£142.09
£142.09 - £142.09
£142.09
£126.35
£126.35 - £126.35
£126.35

Cometic Extreme Sealing Technology Motor Gasket Kit - AFM (Aluminum Foam Material) / Steel for Harley-Davidson Touring 1999-2006

Out of stock

DescriptionExtreme Sealing Technology Motor Gasket Kit Every gasket in these kits uses the best materials possible for its intended application Mul...

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£142.09
£142.09 - £142.09
£142.09
£126.35
£126.35 - £126.35
£126.35
Sold out
Cometic Extreme Sealing Technology (EST) Complete Gasket Set for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£173.39
£173.39 - £173.39
£173.39
£154.18
£154.18 - £154.18
£154.18

Cometic Extreme Sealing Technology Complete Gasket Kit - AFM (Aluminum Foam Material) / Steel / Viton for Harley-Davidson Touring 1999-2006

In stock

DescriptionExtreme Sealing Technology Complete Gasket Kit Every gasket in the kit uses the best materials possible for its intended application Mul...

View full details
£173.39
£173.39 - £173.39
£173.39
£154.18
£154.18 - £154.18
£154.18
Save 11% Save %
Cometic Extreme Sealing Technology (EST) Complete Gasket Set for 1991-2003 Harley-Davidson Sportster
Save 11% Save %
£231.03
£231.03 - £231.03
£231.03
£205.45
£205.45 - £205.45
£205.45

Cometic Extreme Sealing Technology Complete Gasket Kit - AFM (Aluminum Foam Material) / Steel / Viton for Harley-Davidson Sportster 1991-2003

In stock

DescriptionExtreme Sealing Technology Complete Gasket Kit Every gasket in the kit uses the best materials possible for its intended application Mul...

View full details
£231.03
£231.03 - £231.03
£231.03
£205.45
£205.45 - £205.45
£205.45
Save 11% Save %
Cometic Extreme Sealing Technology (EST) Complete Gasket Set for 1991-2003 Harley-Davidson Sportster
Sold out
£166.25
£166.25 - £166.25
£166.25
£147.84
£147.84 - £147.84
£147.84

Cometic Extreme Sealing Technology Complete Gasket Kit - AFM (Aluminum Foam Material) / Steel / Viton for Harley-Davidson Sportster 1991-1999

Out of stock

DescriptionExtreme Sealing Technology Complete Gasket Kit Every gasket in the kit uses the best materials possible for its intended application Mul...

View full details
£166.25
£166.25 - £166.25
£166.25
£147.84
£147.84 - £147.84
£147.84
Sold out
Cometic Extreme Sealing Technology (EST) Complete Gasket Kit w/.030 in. Head Gasket for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£294.73
£294.73 - £294.73
£294.73
£262.10
£262.10 - £262.10
£262.10

Cometic Extreme Sealing Technology Complete Gasket Kit - AFM (Aluminum Foam Material) / Steel / Viton for Harley-Davidson Touring 1992-1998

In stock

DescriptionExtreme Sealing Technology Complete Gasket Kit Every gasket in the kit uses the best materials possible for its intended application Mul...

View full details
£294.73
£294.73 - £294.73
£294.73
£262.10
£262.10 - £262.10
£262.10
Save 11% Save %
Cometic Multi-Layer Steel (MLS) Head Gaskets w/3 5/8 in. bore, .040 in. for 1966-1985 Harley-Davidson Touring and 1971-1984 Harley-Davidson FXR
Save 15% Save %
£52.04
£52.04 - £52.04
£52.04
£44.26
£44.26 - £44.26
£44.26

Cometic Cylinder Head Gasket - MLS (Multi-layer Steel), Pair for Harley-Davidson Touring, Softail & FXR 1966-1983

Low stock

DescriptionCylinder Head Gasket High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not cr...

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£52.04
£52.04 - £52.04
£52.04
£44.26
£44.26 - £44.26
£44.26
Save 15% Save %
Cometic Multi-Layer Steel (MLS) Head Gaskets w/std bore, .030 in. for 2002-2006 Harley-Davidson V-Rod - VRSCA and 2004-2005 Harley-Davidson V-Rod - VRSCB Motorcycles
Save 15% Save %
£93.87
£93.87 - £93.87
£93.87
£79.82
£79.82 - £79.82
£79.82

Cometic Cylinder Head Gasket - Pair, MLS (Multi-layer Steel) for Harley-Davidson V-Rod 2002-2007

In stock

DescriptionCylinder Head Gasket High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not cr...

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£93.87
£93.87 - £93.87
£93.87
£79.82
£79.82 - £79.82
£79.82
Save 15% Save %
Cometic Multi-Layer Steel (MLS) Head Gaskets w/stock bore, .040 in. for 1971-1984 Harley-Davidson FXR and 1966-1985 Harley-Davidson Touring Motorcycles
Save 15% Save %
£50.35
£50.35 - £50.35
£50.35
£42.82
£42.82 - £42.82
£42.82

Cometic Cylinder Head Gasket - MLS (Multi-layer Steel), Pair for Harley-Davidson Touring & Softail 1966-1980

In stock

DescriptionCylinder Head Gasket High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not cr...

View full details
£50.35
£50.35 - £50.35
£50.35
£42.82
£42.82 - £42.82
£42.82
Save 15% Save %
Cometic Multi-Layer Steel (MLS) Head Gaskets w/4.125 in. bore, .040 in. for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£49.62
£49.62 - £49.62
£49.62
£44.11
£44.11 - £44.11
£44.11

Cometic Cylinder Head Gasket - MLS (Multi-layer Steel), Pair for Harley-Davidson Touring, Softail & Dyna 1999-2017

In stock

DescriptionCylinder Head Gasket High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not cr...

View full details
£49.62
£49.62 - £49.62
£49.62
£44.11
£44.11 - £44.11
£44.11
Save 11% Save %
Cometic Multi-Layer Steel (MLS) Head Gaskets w/4.125 in. bore, .030 in. for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 11% Save %
£49.62
£49.62 - £49.62
£49.62
£44.11
£44.11 - £44.11
£44.11

Cometic Cylinder Head Gasket - MLS (Multi-layer Steel), Pair for Harley-Davidson Touring, Softail & Dyna 1999-2017

In stock

DescriptionCylinder Head Gasket High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not cr...

View full details
£49.62
£49.62 - £49.62
£49.62
£44.11
£44.11 - £44.11
£44.11
Save 11% Save %
Cometic Derby Cover Gasket for Various Various Harley-Davidson Motorcycles (See Fitment List)
Sold out
£29.57
£29.57 - £29.57
£29.57
£26.27
£26.27 - £26.27
£26.27

Cometic Derby Cover Gasket - AFM (Aluminum Foam Material), 5 Pack for Harley-Davidson Touring, Softail, Dyna & Trike 2000-2015

Out of stock

DescriptionDerby Cover Gasket High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not cree...

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£29.57
£29.57 - £29.57
£29.57
£26.27
£26.27 - £26.27
£26.27
Sold out
Cometic Chain Inspection Cover Gasket for 2004-2022 Harley-Davidson Sportster
Sold out
£25.56
£25.56 - £25.56
£25.56
£22.72
£22.72 - £22.72
£22.72

Cometic Chain Cover Gasket - 5 Pack, AFM (Aluminum Foam Material), Inspection Cover for Harley-Davidson Sportster 2004-2019

Out of stock

DescriptionChain Cover Gasket Aluminium Foamette Material gaskets feature an aluminium core and a chemically blown, compounded nitrile synthetic ru...

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£25.56
£25.56 - £25.56
£25.56
£22.72
£22.72 - £22.72
£22.72
Sold out

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