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

Dyna – Engine & Gaskets

Browse engine & gaskets selected for Harley-Davidson Dyna motorcycles. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. Confirm model coverage, key measurements and any supporting parts required on the individual listing.

Filters

Save 5% Save %
£56.27
£56.27 - £56.27
£56.27
£53.58
£53.58 - £53.58
£53.58

Cometic 4-Speed Transmission Gasket & Seal Kit – L1979–1982 4-Speed Big Twin

Only 2 left!

Cometic 4-Speed Transmission Gasket & Seal Kit – L1979–1982 4-Speed Big Twin Everything you need when assembling the transmission. Fitment L79-...

View full details
£56.27
£56.27 - £56.27
£56.27
£53.58
£53.58 - £53.58
£53.58
Save 5% Save %
Save 5% Save %
£60.18
£60.18 - £60.18
£60.18
£57.29
£57.29 - £57.29
£57.29

Cometic 4-Speed Transmission Gasket & Seal Kit – E70-E79 4-Speed Big Twin

Only 2 left!

Cometic 4-Speed Transmission Gasket & Seal Kit – E70-E79 4-Speed Big Twin Everything you need when assembling the transmission. Fitment E70-E79...

View full details
£60.18
£60.18 - £60.18
£60.18
£57.29
£57.29 - £57.29
£57.29
Save 5% Save %
Save 5% Save %
£51.20
£51.20 - £51.20
£51.20
£48.75
£48.75 - £48.75
£48.75

Cometic Cylinder Head Gaskets 3-7/8" Bore .027" MLS – 2014–2016 FLT/Touring 103" Twin Cooled

Only 2 left!

Cometic Cylinder Head Gaskets 3-7/8" Bore .027" MLS – 2014–2016 FLT/Touring 103" Twin Cooled MLS (Multi Layer Steel). Front & rear gasket for o...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.75
£48.75 - £48.75
£48.75
Save 5% Save %
Save 5% Save %
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76

Cometic EST Rocker Cover Gasket Kit. Evo XL – 2007–2022 XL Sportster

Only 2 left!

Cometic EST Rocker Cover Gasket Kit. Evo XL – 2007–2022 XL Sportster Kit for two cylinders. EST''s embossed stainless steel metal substrate is coat...

View full details
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76
Save 5% Save %
Save 5% Save %
£37.77
£37.77 - £37.77
£37.77
£35.96
£35.96 - £35.96
£35.96

Cometic Rocker Cover Gasket Kit. Twin Cam. Standard – 1999–2017 Twin Cam

Only 2 left!

Cometic Rocker Cover Gasket Kit. Twin Cam. Standard – 1999–2017 Twin Cam Includes rocker cover gaskets & pushrod seals. With 99-10 and 11-17 st...

View full details
£37.77
£37.77 - £37.77
£37.77
£35.96
£35.96 - £35.96
£35.96
Save 5% Save %
Save 5% Save %
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76

Cometic EST Rocker Cover Gasket Kit. Evo XL – 2004–2006 XL Sportster

Only 3 left!

Cometic EST Rocker Cover Gasket Kit. Evo XL – 2004–2006 XL Sportster Kit for two cylinders. EST''s embossed stainless steel metal substrate is coat...

View full details
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76
Save 5% Save %
Save 5% Save %
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76

Cometic EST Rocker Cover Gasket Kit. Evo XL – 1991–2003 XL Sportster

Only 2 left!

Cometic EST Rocker Cover Gasket Kit. Evo XL – 1991–2003 XL Sportster Kit for two cylinders. EST''s embossed stainless steel metal substrate is coat...

View full details
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76
Save 5% Save %
Save 5% Save %
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76

Cometic EST Rocker Cover Gasket Kit. Evo XL – 1986–1990 XL Sportster

Only 2 left!

Cometic EST Rocker Cover Gasket Kit. Evo XL – 1986–1990 XL Sportster Kit for two cylinders. EST''s embossed stainless steel metal substrate is coat...

View full details
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76
Save 5% Save %
Save 5% Save %
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76

Cometic EST Rocker Cover Gasket Kit. Evo Big Twin – 1992–1999 Evo Big Twin

Only 2 left!

Cometic EST Rocker Cover Gasket Kit. Evo Big Twin – 1992–1999 Evo Big Twin Kit for two cylinders. EST''s embossed stainless steel metal substrate i...

View full details
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76
Save 5% Save %
Sold out
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76

Cometic EST Rocker Cover Gasket Kit. Evo Big Twin – 1984–1991 Evo Big Twin

Out of stock

Cometic EST Rocker Cover Gasket Kit. Evo Big Twin – 1984–1991 Evo Big Twin Kit for two cylinders. EST''s embossed stainless steel metal substrate i...

View full details
£54.36
£54.36 - £54.36
£54.36
£51.76
£51.76 - £51.76
£51.76
Sold out
Save 5% Save %
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25

Cometic Top-end Gasket Kit. XL1000 Low CR – 1982–1985 XL1000

Only 2 left!

Cometic Top-end Gasket Kit. XL1000 Low CR – 1982–1985 XL1000 With .063" low compression copper cylinder head gaskets and .031" copper cylinder base...

View full details
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25
Save 5% Save %
Save 5% Save %
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25

Cometic Top End Gasket Kit. XL1000 – 1977–1985 XL1000

Only 2 left!

Cometic Top End Gasket Kit. XL1000 – 1977–1985 XL1000 With .032" copper cylinder head gaskets and .031" copper cylinder base gaskets. Kit includes ...

View full details
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25
Save 5% Save %
Save 5% Save %
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25

Cometic Top End Gasket Kit. XL1000 – L1973–1976 XL1000

Only 2 left!

Cometic Top End Gasket Kit. XL1000 – L1973–1976 XL1000 With .032" copper cylinder head gaskets and .031" copper cylinder base gaskets. Kit includes...

View full details
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25
Save 5% Save %
Sold out
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25

Cometic Top-end Gasket Kit. XL1000 – 72-E73 XL1000

Out of stock

Cometic Top-end Gasket Kit. XL1000 – 72-E73 XL1000 With .032" copper cylinder head gaskets and .031" copper cylinder base gaskets. Kit includes all...

View full details
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25
Sold out
Save 5% Save %
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25

Cometic Top-end Gasket Kit. XL900 – 1957–1971 XL900

Only 2 left!

Cometic Top-end Gasket Kit. XL900 – 1957–1971 XL900 With .032" copper cylinder head gaskets and .031" copper cylinder base gaskets. Kit includes al...

View full details
£62.23
£62.23 - £62.23
£62.23
£59.25
£59.25 - £59.25
£59.25
Save 5% Save %
Sold out
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51

Cometic EST Top End Gasket Kit. XL1200 – 1991–2003 XL1200

Out of stock

Cometic EST Top End Gasket Kit. XL1200 – 1991–2003 XL1200 With 3.50" bore MLS (Multi-Layer-Steel) .030" thick head gaskets. SLS (Single-Layer-Steel...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51
Sold out
Save 1% Save %
£108.53
£108.53 - £108.53
£108.53
£107.02
£107.02 - £107.02
£107.02

Cometic EST Top End Gasket Kit. Shovel 3-5/8" Big Bore – 1966–1984 Shovelhead with 3-5/8" Big…

Only 3 left!

Cometic EST Top End Gasket Kit. Shovel 3-5/8" Big Bore – 1966–1984 Shovelhead with 3-5/8" Big… With 3.625" bore MLS (Multi-Layer-Steel) .040" thick...

View full details
£108.53
£108.53 - £108.53
£108.53
£107.02
£107.02 - £107.02
£107.02
Save 1% Save %
Sold out
£108.53
£108.53 - £108.53
£108.53
£107.02
£107.02 - £107.02
£107.02

Cometic EST Top End Gasket Kit. Shovel 3-13/16" Big Bore – 1966–1984 Shovelhead with 3-13/16" Big…

Out of stock

Cometic EST Top End Gasket Kit. Shovel 3-13/16" Big Bore – 1966–1984 Shovelhead with 3-13/16" Big… With 3.812" bore MLS (Multi-Layer-Steel) .040" t...

View full details
£108.53
£108.53 - £108.53
£108.53
£107.02
£107.02 - £107.02
£107.02
Sold out
Save 1% Save %
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51

Cometic EST Top End Gasket Kit. XL1200 – 2004–2006 XL1200

Only 1 left!

Cometic EST Top End Gasket Kit. XL1200 – 2004–2006 XL1200 With 3.50" bore MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51
Save 1% Save %
Save 1% Save %
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51

Cometic EST Top End Gasket Kit. Buell XB – 2002–2006 Buell XB

Only 2 left!

Cometic EST Top End Gasket Kit. Buell XB – 2002–2006 Buell XB With MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel) cylin...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51
Save 1% Save %
Save 1% Save %
£120.82
£120.82 - £120.82
£120.82
£119.14
£119.14 - £119.14
£119.14

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

Only 2 left!

Cometic EST Top End Gasket Kit. Twin Cam 3-7/8" Bore – 1999–2017 95"/103" Twin Cam With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (...

View full details
£120.82
£120.82 - £120.82
£120.82
£119.14
£119.14 - £119.14
£119.14
Save 1% Save %
Save 1% Save %
£120.82
£120.82 - £120.82
£120.82
£119.14
£119.14 - £119.14
£119.14

Cometic EST Top End Gasket Kit. Twin Cam 3-3/4" Bore – 1999–2017 88/96" Twin Cam

Only 2 left!

Cometic EST Top End Gasket Kit. Twin Cam 3-3/4" Bore – 1999–2017 88/96" Twin Cam With .030" thick MLS (Multi-Layer-Steel) head gaskets; SLS (Single...

View full details
£120.82
£120.82 - £120.82
£120.82
£119.14
£119.14 - £119.14
£119.14
Save 1% Save %
Save 1% Save %
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51

Cometic EST Top End Gasket Kit. XL1200 – 1991–2003 XL1200

Only 2 left!

Cometic EST Top End Gasket Kit. XL1200 – 1991–2003 XL1200 With 3.50" bore MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51
Save 1% Save %
Save 1% Save %
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51

Cometic EST Top End Gasket Kit. XL883 – 1991–2003 XL883

Only 2 left!

Cometic EST Top End Gasket Kit. XL883 – 1991–2003 XL883 With 3.00" bore MLS (Multi-Layer-Steel) .040" thick head gaskets. SLS (Single-Layer-Steel) ...

View full details
£115.11
£115.11 - £115.11
£115.11
£113.51
£113.51 - £113.51
£113.51
Save 1% Save %

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