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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.

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£41.10 - £41.10
£41.10
£41.79
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£41.79

James Gaskets Evo Cylinder Head & Base Gasket Kit – 1984–1999 Big Twin; 1988–2022 XL…

Low stock

Description Standard 3-1/2" bore. Kit to service one engine. With .045" head (.046 starting thickness and .042" final crush) and .030" base gaskets...

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£41.10 - £41.10
£41.10
£41.79
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£41.79
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£54.33
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£54.33
£50.82
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£50.82

James Gaskets Cam Gear Change Gasket & Seal Kit – 1999–2017 Twin Cam

In stock

Description Complete with all gaskets and seals you need when the camshaft is replaced. Includes all O-rings; metal rocker cover gaskets with silic...

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£54.33
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£54.33
£50.82
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£15.76
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£15.07
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£15.07

MCS Locked Thrust Washer, Camshaft – 1958–1990 Big Twin (OEM Cases)…

Low stock

Description With ''ears''. Fits against the crankcase; behind camshaft. This is the locked ''early'' 58-90 model for which a separate thrust washer...

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£15.76
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£15.07
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£64.58
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£60.41
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James Gaskets Rocker Cover Gasket Kit. Evo B.t – 1992–1999 Evo Big Twin

In stock

Description Includes silicone beaded paper rocker cover base gaskets; rubber rocker gaskets; seals and o-rings required for rocker cover assembly. ...

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£64.58
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£64.58
£60.41
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£115.11
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£113.99
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£113.99

Cometic Est Top End Gasket Kit. Evo B.t – 1992–1999 Evo Big Twin

Low stock

Description With 3.5" bore MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cove...

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£115.11
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£113.99
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Cometic Extreme Sealing Technology Rocker Box Gasket Kit SLS Paper
£34.93 - £34.93
£34.93
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£34.93

Cometic Extreme Sealing Technology Rocker Box Gasket Kit SLS Paper - C9078

In stock

DescriptionExtreme Sealing Technology Rocker Box Gasket KitPremium materials used for specific applications to provide a long, service free lifeKit...

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£34.93
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£54.37
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James Gaskets Cylinder Head Gasket .045" Graphite – 1984–1999 Big Twin; 1988–2022 XL…

Low stock

Description .045" graphite gasket; with Firering. Starting thickness .048"; final crush .042". Standard 3.5" bore. OEM replacement reference 16770-...

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£53.73 - £53.73
£53.73
£54.37
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£81.75
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James Gaskets Cylinder Head 3.5" Bore .062" – 1984–1999 Big Twin; 1988–2022 XL…

Low stock

Description .062" with fire-ring and armor. Standard thickness. Starting thickness .064"; final crush .056". Incl. O-rings. OEM replacement referen...

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£80.79
£81.75
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£9.08
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£9.08
£8.68
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James Gaskets O-Ring Crankcase to Cam Support – 1999–2017 Twin Cam

Low stock

Description 2 used. OEM replacement reference 11301. Fitment 99-17 Twin Cam (NU) Product Details Brand: James Gaskets Category: GASKETS > O-R...

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£9.08
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£8.68
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£115.41
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£107.98
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£107.98

James Gaskets Motor Gasket Kit. 95-99 Evo B.t – 1992–1999 Evo Big Twin

Low stock

Description Includes 0.045" Firering® head gaskets; RCM (Rubber Coated Metal) cylinder and rocker base gaskets; rubber rocker cover gaskets. Includ...

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£115.41
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£115.41
£107.98
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£26.49
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£26.23
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£26.23

James Gaskets Float Bowl to Carb Body Seal. Keihin CV – 1992–2006 Big Twin; 1992–2006 XL…

Low stock

Description Rubber float bowl seal used between carb body and floatbowl. OEM replacement reference 27577-92. Fitment 92-06 Big Twin; 92-06 XL Sport...

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£26.49
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£26.49
£26.23
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£26.57
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£26.31
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£26.31

James Gaskets Exhaust Studs – 1984–2026 Big Twin; 1986–2022 XL…

Low stock

Description 5/16-18 to 5/16-24 X 1-11/16". Note: Exhaust studs as used in the M8 engine (OEM 10900015; 10900015A) are of a slightly different desig...

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£26.57
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£26.31
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£10.32
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£10.32
£9.87
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£9.87

James Gaskets Point Cover Gasket. .031" Paper – 1970–1999 Evo Big Twin; 1971–2003 XL…

Low stock

Description .031" thick paper. With 4 holes. OEM replacement reference 32591-80. Fitment 70-99 Evo Big Twin; 71-03 XL Sportster (NU) Product Detail...

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£10.32
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£10.32
£9.87
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Sold out
£30.06
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£26.51
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Dynatek Single Fire Tach Adapter for Dyna-S – 1970–1999 Big Twin with Dyna-S Single…

Out of stock

Description Used to correct electronic tachometer output when using a Dyna-S single fire ignition module. Note: This adapter cannot be used with Sp...

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£30.06
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£26.51
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£19.94
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£19.94
£19.74
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£19.74

James Gaskets Gasket Transmission End Cover. .031" Paper – 1987–1992 Big Twin

Low stock

Description .031" fiber reinforced paper. With o-rings. Used between the transmission bearing housing and the transmission end cover. OEM replaceme...

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£19.94
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£19.74
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£10.96 - £10.96
£10.96
£14.13
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£14.13

James Gaskets CV Carburetor to Manifold Seal. Keihin – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description OEM replacement reference 27002-89. Fitment 90-06 Big Twin; 88-06 XL Sportster. With Keihin CV carburetor (NU) Product Details Brand:...

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£10.96 - £10.96
£10.96
£14.13
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£14.13
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£33.94
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£33.94
£33.61
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£33.61

James Gaskets Gasket Taillight to Lens – 1973–1999 Big Twin; XL Sportster

Low stock

Description Foam. For 73-up style taillight. OEM replacement reference 68025-73; 68027-90 Fitment 73-99 Big Twin; XL Sportster (NU) Product Details...

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£33.94
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£33.61
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£33.11
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£32.79
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£32.79

James Gaskets Gasket Inner Primary Cover. Rcm – 1995–2006 Softail; Dyna

Low stock

Description RCM (Rubber Coated Metal). Used on primary inside to seal-off the stand-off studs for the outer primary cover. Repl. 63859-95A; 63859-9...

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£33.11
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£32.79
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£37.31
£37.75
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James Gaskets Manifold Intake Seals. Blue Viton +.180" – 1984–2017 Big Twin; 1986–2022 XL…

Low stock

Description Blue Viton. +.180" wider for stroker motors with longer cylinders. Used between manifold and cylinder head. OEM replacement reference 2...

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£37.31 - £37.31
£37.31
£37.75
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£37.75
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£35.00
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£35.00
£34.83
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£34.83

James Gaskets Gasket Transmission End Cover. Foamet – 2007–2024 Softail; 2006–2017 Dyna…

Low stock

Description Foamet (Foam Covered Metal). OEM replacement reference 36805-06. James'' Foamet gasket material has an aluminum core with a nitrile syn...

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£35.00
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£35.00
£34.83
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£18.05
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£18.05
£16.68
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£16.68

Kibblewhite Kpmi, Wrist Pin Bushings. Std – 1936–1999 Big Twin

Low stock

Description Replacement Kibblewhite Precision Machining piston pin bushings; manufactured from 100% machined SAE660 bearing bronze. Fitment 36-99 B...

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£18.05
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£16.68
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£35.16
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£33.16
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£33.16

Kibblewhite Kpmi, Exhaust Valve Guide. C630 Bronze. Std – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Low stock

Description C630 bearing bronze. Size: 0.5620" O.D. (14.27mm); 0.3090" I.D. (7.85mm); 2.00" OAL (50.8mm). Comes with special shoulder for ease of i...

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Kibblewhite Kpmi, Intake Valve Guide. C630 Bronze. Std – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Low stock

Description C630 bearing bronze. Size: 0.5620" O.D. (14.27mm); 0.3090" I.D. (7.85mm); 2.00" OAL (50.8mm). Comes with special shoulder for ease of i...

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£35.16
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£33.16
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£18.69
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£18.69

James Gaskets O-Ring Derby Cover – 1999–2005 Dyna; 1999–2006 Softail…

Low stock

Description OEM replacement reference 25416-99; 25416-99A. Fitment 99-05 Dyna; 99-06 Softail; FLT/Touring (NU) Product Details Brand: James Gaske...

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£16.10
£18.69
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