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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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£10.88
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Colony Nut. Pinion and Sprocket Shaft – 54-E81 XL Sportster

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Colony Nut. Pinion and Sprocket Shaft – 54-E81 XL Sportster 11/16-18 X 1/4 X 1 3/16 hex. Used on flywheel side. Repl. 8011. Fitment 54-E81 XL Sport...

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£10.88
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Colony Pinion/Sprocket Shaft Nut – Pinion Shaft: 30-E81 Big Twin. Sprocket…

Only 1 left!

Colony Pinion/Sprocket Shaft Nut – Pinion Shaft: 30-E81 Big Twin. Sprocket… 3/4-18 threaded. Used on flywheel side. Repl. 24023-36. Fitment Pinion ...

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£97.05
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£87.55
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Colony Cylinder Stud Set (8-Pack) – 1986–2022 XL Sportster; 2008–2012…

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Colony Cylinder Stud Set (8-Pack) – 1986–2022 XL Sportster; 2008–2012… Replacement OEM style heat treated alloy steel cylinder studs for Sportster ...

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£87.55
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Colony Early Style – 1941–1948 SV Big Twin; 1941–1954 45" SV

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Colony Early Style – 1941–1948 SV Big Twin; 1941–1954 45" SV Parkerized; long shoulder nut; 1/4-24 thread Fitment 41-48 SV Big Twin; 41-54 45" SV (...

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£6.51
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£12.14
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Colony Oil Screen Crankcase – 1970–1980 Big Twin

Out of stock

Colony Oil Screen Crankcase – 1970–1980 Big Twin Chrome; OEM reproduction Fitment 70-80 Big Twin (NU) Product Details Brand: Colony Category: MO...

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£9.15
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Colony Oil Pump Check Valve – 1936–1980 Big Twin OHV & SV; 1937–1952…

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Colony Oil Pump Check Valve – 1936–1980 Big Twin OHV & SV; 1937–1952… Black parkerized; OEM style reproduction Fitment 36-80 Big Twin OHV &...

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Colony Oil Pump – 1936–1952 Big Twin OHV & Flathead…

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Colony Oil Pump – 1936–1952 Big Twin OHV & Flathead… Black parkerized. Bypass plug/bypass valve; OEM reproduction. OEM replacement reference 26...

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£8.41
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£11.77
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Colony Hex Plug Oil Screen Crankcase. Chrome – 1952–1965 Big Twin

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Colony Hex Plug Oil Screen Crankcase. Chrome – 1952–1965 Big Twin Colony, hex plug oil screen crankcase. Chrome Fitment 52-65 Big Twin (NU) Product...

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Gardner-Westcott Cylinder Base Studs – 1972–1985 XL Sportster

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Gardner-Westcott Cylinder Base Studs – 1972–1985 XL Sportster 3/8-24 to 3/8-16 x 2 11-32 Fitment 72-85 XL Sportster (NU) Product Details Brand: G...

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MCS Daytona, Connecting Rod Assembly, 88" Twin Cam – 1999–2006 88" Twin Cam with Stock 4"…

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MCS Daytona, Connecting Rod Assembly, 88" Twin Cam – 1999–2006 88" Twin Cam with Stock 4"… This assembly is not available from OEM. It is designed ...

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Kibblewhite KPMI, Black Diamond Valve, Exhaust. 883-1200 Conversion – 2004–2022 XL883 to 1200 Conversion

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Kibblewhite KPMI, Black Diamond Valve, Exhaust. 883-1200 Conversion – 2004–2022 XL883 to 1200 Conversion Used in 883-1200 conversions to improve br...

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Kibblewhite KPMI, Black Diamond Valve, Intake. 883-1200 Conversion – 2004–2022 XL883 to 1200 Conversion

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Kibblewhite KPMI, Black Diamond Valve, Intake. 883-1200 Conversion – 2004–2022 XL883 to 1200 Conversion Used in 883-1200 conversions to improve bre...

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Rough Crafts Cam Cover. Chrome – Gen1 M8 Models Softail; 2017–2024…

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Rough Crafts Cam Cover. Chrome – Gen1 M8 Models Softail; 2017–2024… Cam covers are a highly visibly item. The stock one is... okay; as long as you ...

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£358.14
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Rough Crafts Cam Cover. Black – Gen1 M8 Models Softail; 2017–2024…

Out of stock

Rough Crafts Cam Cover. Black – Gen1 M8 Models Softail; 2017–2024… All black. Cam covers are a highly visibly item. The stock one is... okay; as lo...

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£358.14
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Rough Crafts Custom Rocker Covers. Chrome – 2018–2025 Softail; 2017–2025…

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Rough Crafts Custom Rocker Covers. Chrome – 2018–2025 Softail; 2017–2025… Rocker covers are a highly visibly item. The stock ones are... okay; as l...

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Rough Crafts Custom Rocker Covers. Black – 2018–2025 Softail; 2017–2025…

Out of stock

Rough Crafts Custom Rocker Covers. Black – 2018–2025 Softail; 2017–2025… All black finish. Rocker covers are a highly visibly item. The stock ones ...

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£561.47
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Performance Machine Cam Cover Vision. Black Ops – Gen1 M8 Models Softail; 2017–2024…

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Performance Machine Cam Cover Vision. Black Ops – Gen1 M8 Models Softail; 2017–2024… Black Ops; a dual tone gloss black with black wrinkle finish. ...

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Performance Machine Cam Cover Vision. Contrast Cut – Gen1 M8 Models Softail; 2017–2024…

Out of stock

Performance Machine Cam Cover Vision. Contrast Cut – Gen1 M8 Models Softail; 2017–2024… Black anodized Contrast Cut machined finish. Comes with a s...

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£517.90
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Performance Machine Cam Cover Vision. Chrome – Gen1 M8 Models Softail; 2017–2024…

Out of stock

Performance Machine Cam Cover Vision. Chrome – Gen1 M8 Models Softail; 2017–2024… Chrome pated finish. Comes with a see-through polycarbonate windo...

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£110.28
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National Cycle Heat Deflector Set L&R. Dark Tinted – 2009–2025 FLT/Touring

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National Cycle Heat Deflector Set L&R. Dark Tinted – 2009–2025 FLT/Touring Dark gray 95% tinted. Left & right deflector made of tough FMR h...

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£115.86
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S&S M8 Gear Driven 540G Camshaft Kit – 2018–2026 Softail; 2017–2026…

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S&S M8 Gear Driven 540G Camshaft Kit – 2018–2026 Softail; 2017–2026… Torque cam designed to offer generous pulling power up that hill; or quick...

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Kibblewhite KPMI, Inconel White Diamond Valve, Exhaust. Oversize – 2017–2025 M8

Only 1 left!

Kibblewhite KPMI, Inconel White Diamond Valve, Exhaust. Oversize – 2017–2025 M8 Inconel with hard chrome finish. Standard size replacement with ove...

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Kibblewhite KPMI, White Diamond Valve, Exhaust. STD – 2017–2025 M8

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Kibblewhite KPMI, White Diamond Valve, Exhaust. STD – 2017–2025 M8 Hard chrome finish. Standard size replacement. Dimensions: 1.264" head dia. x 0....

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Kibblewhite KPMI, White Diamond Valve, Intake. STD – 2017–2025 M8

Only 1 left!

Kibblewhite KPMI, White Diamond Valve, Intake. STD – 2017–2025 M8 Standard size replacement. Dimensions: 1.571" head dia. x 0.2347" stem dia. x 4.0...

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£32.27
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