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Engine Gaskets

Browse engine gaskets for Harley-Davidson, American V-twin and compatible motorcycle applications. Check the product details and stated fitment before ordering.

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£168.08
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£166.44
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£166.44

Cometic Est Motor Gasket Kit. 4.060" Bore – 2006–2017 107" Dyna

Low stock

Description This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings that are used on this model; including...

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£168.08
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£168.08
£166.44
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£166.44
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£168.11
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£168.11
£166.47
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£166.47

Cometic Est Motor Gasket Kit. 3.937" Bore – 1999–2006 Twin Cam a/B

Out of stock

Description This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings that are used on this model; including...

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£168.11
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£168.11
£166.47
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£166.47
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£18.71
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£18.71
£17.88
£17.88 - £17.88
£17.88

Cometic Seal and Ferrule Oil Filter – 1992–1999 Big Twin

Low stock

Description Fits steel oil lines with stock case mounted oil filter. OEM replacement reference 63528-92 Fitment 92-99 Big Twin (Excl. Twin Cam) (NU...

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£18.71
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£18.71
£17.88
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£17.88
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£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Fibre 3-5/8" Big Bore – 1984–1999 Evo Big Twin with S&S…

Low stock

Description Front & rear gasket for one engine. .020" fiber; a premium hi-temperature; hi-density creep resistant material that requires no re-...

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£27.71
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£27.71
£26.49
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£26.49
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£114.80
£114.80 - £114.80
£114.80
£113.68
£113.68 - £113.68
£113.68

Cometic Rocker Cover Gaskets. Cfm-20 – 1966–1984 Shovelhead

Out of stock

Description .043" thick CFM-20. A gasket with a perforated stainless steel core with a heat resistant elastomer rubber coating on both sides. OEM r...

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£114.80
£114.80 - £114.80
£114.80
£113.68
£113.68 - £113.68
£113.68
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£24.58
£24.58 - £24.58
£24.58
£23.50
£23.50 - £23.50
£23.50

Cometic Rocker Cover Gasket Set. 2-Pack. Cfm-20 – 1966–1984 Shovelhead

Out of stock

Description .043" thick CFM-20. A gasket with a perforated stainless stee core with a heat resistant elastomer rubber coating on both sides. OEM re...

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£24.58
£24.58 - £24.58
£24.58
£23.50
£23.50 - £23.50
£23.50
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£30.19
£30.19 - £30.19
£30.19
£28.86
£28.86 - £28.86
£28.86

Cometic Air Cleaner Housing to Filter Element Gasket. Fibre – 2008–2013 FLT/Touring

Low stock

Description Fiber. 2.200" bore. Used between the air filter backplate assembly and the filter element itself. OEM replacement reference 29645-08. F...

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£30.19
£30.19 - £30.19
£30.19
£28.86
£28.86 - £28.86
£28.86
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£221.09 - £221.09
£221.09
£223.73
£223.73 - £223.73
£223.73

Cometic Est Motor Gasket Kit. 4" Bore – 1999–2006 FLT/Touring

Low stock

Description This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings that are used on this model; including...

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£221.09 - £221.09
£221.09
£223.73
£223.73 - £223.73
£223.73
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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 3-13/16" .030" Mls – 2008–2012 XR1200 with 3-13/16" (3.812")…

Low stock

Description .030" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C hi...

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£51.20
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£51.20
£48.95
£48.95 - £48.95
£48.95
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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 3-13/16" .040" Mls – 2008–2012 XR1200 with 3-13/16" (3.812")…

Low stock

Description .040" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C hi...

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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 3.5" Bore .040" Mls – 2008–2012 XR1200

Low stock

Description .040" thick MLS (Multi Layer Steel). MLS consists of a top and bottom layer of embossed stainless steel with both side coated with 250°...

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£51.20
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£51.20
£48.95
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£48.95
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£54.82
£54.82 - £54.82
£54.82
£52.42
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£52.42

Cometic Valve Guide Seals. Viton – L1981–1984 1340cc Shovelhead

Low stock

Description Viton rubber. Fits stock .625" O.D. valve guides. Valve stem seals can be used; and are recommended; on all applications. They will hel...

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£54.82
£54.82 - £54.82
£54.82
£52.42
£52.42 - £52.42
£52.42
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£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Rcs 3-5/8" Big Bore – 1948–1965 Panhead with S&S 3-5/8" Big…

Low stock

Description Front & rear gasket for one engine. .020" thick RCS (Rubber Coated Steel); an embossed steel core with a .001" thick coating of hea...

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£27.71
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£27.71
£26.49
£26.49 - £26.49
£26.49
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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 3-5/8" Mls – 1966–1984 Shovel

Low stock

Description .045" MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C high tem...

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£51.20
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£51.20
£48.95
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£48.95
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£27.58
£27.58 - £27.58
£27.58
£26.37
£26.37 - £26.37
£26.37

Cometic Gasket Transmission Top Cover. Afm – 1986–1999 Big Twin

Out of stock

Description AFM (Aluminum Foamette Material). OEM replacement reference 34904-86; 34904-86A; 34904-86B; 34904-86C; 34904-86D. Cometic''s AFM gasket...

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£27.58
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£27.58
£26.37
£26.37 - £26.37
£26.37
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£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99

Cometic Est Top End Gasket Kit. Evo B.t. 3-13/16" Big Bore – 1992–1999 Evo Big Twin with 3-13/16" Big…

Low stock

Description With 3.812" bore MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker co...

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£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99
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£120.82
£120.82 - £120.82
£120.82
£119.64
£119.64 - £119.64
£119.64

Cometic Est Top End Gasket Kit. Twin Cam 4-1/8" Bore – 1999–2017 Twin Cam with 4-1/8" Bore

Out of stock

Description With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets ...

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£120.82
£120.82 - £120.82
£120.82
£119.64
£119.64 - £119.64
£119.64
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£273.75 - £273.75
£273.75
£277.02
£277.02 - £277.02
£277.02

Cometic Est Motor Only Gasket Kit. 3-13/16" Big Bore – 1992–1999 Big Twin

Low stock

Description With .040" MLS (Multi Layer Steel) head gaskets. This EST (Extreme-Sealing-Technology) gasket sets are complete with all gaskets; seals...

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£273.75 - £273.75
£273.75
£277.02
£277.02 - £277.02
£277.02
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£120.81
£120.81 - £120.81
£120.81
£119.63
£119.63 - £119.63
£119.63

Cometic Est Top End Gasket Kit. Twin Cam 3-7/8" Bore – 1999–2017 95"/103" Twin Cam

Low stock

Description With MLS (Multi-Layer-Steel) .051" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets ...

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£120.81
£120.81 - £120.81
£120.81
£119.63
£119.63 - £119.63
£119.63
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£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99

Cometic Est Top End Gasket Kit. S&S Evo 4" Bore – All S&S Evo Style Engines with 4" Bore…

Out of stock

Description With MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used...

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£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99
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£103.22
£103.22 - £103.22
£103.22
£102.22
£102.22 - £102.22
£102.22

Cometic Cylinder Head Gasket Set. 4-1/4" .036" Mls – 2002–2007 V-Rod with 4-1/8" Big Bore…

Low stock

Description .036" MLS (Multi Layer Steel). MLS consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C high...

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£103.22
£103.22 - £103.22
£103.22
£102.22
£102.22 - £102.22
£102.22
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£214.42 - £214.42
£214.42
£216.98
£216.98 - £216.98
£216.98

Cometic Est Top End Gasket Kit. Evo XL 3-3/4" Big Bore – 1991–2003 XL Sportster with 3-3/4" Big…

Out of stock

Description With MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used...

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£214.42 - £214.42
£214.42
£216.98
£216.98 - £216.98
£216.98
Sold out
Sold out
£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99

Cometic Est Top End Gasket Kit. Evo XL 3-3/4" Big Bore – 1986–1990 4-Speed XL Sportster with…

Out of stock

Description With MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used...

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£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99
Sold out
Sold out
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 4-1/8" .051" Mls – 1999–2017 Twin Cam with 4-1/8" Big Bore…

Out of stock

Description .051" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C hi...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
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