Skip to content
Find us Hours of Business Email Us Shipping Cookie policy Returns Terms & Conditions Privacy Policy Refunds

Engine - Gaskets & Kits

Explore gaskets & kits within the engine range, with products grouped for motorcycle servicing, repair and custom work. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. For an accurate match, compare the product’s stated fitment and dimensions with your motorcycle or equipment.

Filters

Save 4% Save %
£17.53
£17.53 - £17.53
£17.53
£16.76
£16.76 - £16.76
£16.76

Cometic Gasket Breather Baffle – 2011–2017 Twin Cam

Low stock

Description Gasket only; no filter element. Fitment 11-17 Twin Cam (NU) Product Details Brand: Cometic Category: INTAKE > BREATHER KITS Unit...

View full details
£17.53
£17.53 - £17.53
£17.53
£16.76
£16.76 - £16.76
£16.76
Save 4% Save %
Save 1% Save %
£168.08
£168.08 - £168.08
£168.08
£166.44
£166.44 - £166.44
£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...

View full details
£168.08
£168.08 - £168.08
£168.08
£166.44
£166.44 - £166.44
£166.44
Save 1% Save %
Sold out
£168.11
£168.11 - £168.11
£168.11
£166.47
£166.47 - £166.47
£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...

View full details
£168.11
£168.11 - £168.11
£168.11
£166.47
£166.47 - £166.47
£166.47
Sold out
Save 4% Save %
£18.71
£18.71 - £18.71
£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...

View full details
£18.71
£18.71 - £18.71
£18.71
£17.88
£17.88 - £17.88
£17.88
Save 4% Save %
Save 4% Save %
£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-...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
Save 4% Save %
Sold out
£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...

View full details
£114.80
£114.80 - £114.80
£114.80
£113.68
£113.68 - £113.68
£113.68
Sold out
Sold out
£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...

View full details
£24.58
£24.58 - £24.58
£24.58
£23.50
£23.50 - £23.50
£23.50
Sold out
Save 4% Save %
£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...

View full details
£30.19
£30.19 - £30.19
£30.19
£28.86
£28.86 - £28.86
£28.86
Save 4% Save %
£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...

View full details
£221.09 - £221.09
£221.09
£223.73
£223.73 - £223.73
£223.73
Save 4% Save %
£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...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
Save 4% Save %
Save 4% Save %
£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...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
Save 4% Save %
Save 4% Save %
£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°...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
Save 4% Save %
Save 4% Save %
£54.82
£54.82 - £54.82
£54.82
£52.42
£52.42 - £52.42
£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...

View full details
£54.82
£54.82 - £54.82
£54.82
£52.42
£52.42 - £52.42
£52.42
Save 4% Save %
Save 4% Save %
£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...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
Save 4% Save %
Save 4% Save %
£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...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
Save 4% Save %
Sold out
£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...

View full details
£27.58
£27.58 - £27.58
£27.58
£26.37
£26.37 - £26.37
£26.37
Sold out
Save 1% Save %
£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...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99
Save 1% Save %
Sold out
£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 ...

View full details
£120.82
£120.82 - £120.82
£120.82
£119.64
£119.64 - £119.64
£119.64
Sold out
£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...

View full details
£273.75 - £273.75
£273.75
£277.02
£277.02 - £277.02
£277.02
Save 1% Save %
£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 ...

View full details
£120.81
£120.81 - £120.81
£120.81
£119.63
£119.63 - £119.63
£119.63
Save 1% Save %
Sold out
£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...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99
Sold out
Save 1% Save %
£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...

View full details
£103.22
£103.22 - £103.22
£103.22
£102.22
£102.22 - £102.22
£102.22
Save 1% Save %
Sold out
£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...

View full details
£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...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.99
£113.99 - £113.99
£113.99
Sold out

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare