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Pre-Evo – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Pre-Evolution classic models.

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Colony Sprocket Shaft Oil Seal. Screw Type, STD – 1955–1968 Big Twin

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Colony Sprocket Shaft Oil Seal. Screw Type, STD – 1955–1968 Big Twin Standard thread size. Screw type bearing retainer nut. With seal. OEM replacem...

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£43.15
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Colony Head Bolt Washer Set – 1929–1973 45" SV

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Colony Head Bolt Washer Set – 1929–1973 45" SV Black parkerized; Fits models with cast iron cylinder heads Fitment 29-73 45" SV (NU) Product Detail...

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£11.63
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Colony Head Bolt Washer Set – 1936–1984 OHV Big Twin

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Colony Head Bolt Washer Set – 1936–1984 OHV Big Twin Chrome; for 7/16 headbolts Fitment 36-84 OHV Big Twin (NU) Product Details Brand: Colony Ca...

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£10.74
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Colony Rocker Cover Washet Set. Chrome – L1954–1965 Panhead

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Colony Rocker Cover Washet Set. Chrome – L1954–1965 Panhead Chrome. Washers as used below the Panhead rocker cover screws. Use as required with lon...

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Colony Nut Install Tool – 1911-1929 V-TWIN; 1930–1934 SINGLES…

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Colony Nut Install Tool – 1911-1929 V-TWIN; 1930–1934 SINGLES… Used to install 989244 crankcase nuts. Fitment 1911-1929 V-TWIN; 30-34 SINGLES; 29-3...

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£15.24 - £15.24
£15.24
£17.56
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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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Colony Pinion/Sprocket Shaft Nut – Pinion Shaft: 30-E81 Big Twin. Sprocket…

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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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£97.05
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£87.55
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£6.51
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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

Only 2 left!

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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£12.14
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£11.16
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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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£9.15
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£8.41
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£8.41
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£9.15
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Colony Oil Pump – 1936–1952 Big Twin OHV & Flathead…

Only 2 left!

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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£9.15
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£9.15
£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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£11.77
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£11.52
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£37.17
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£32.07
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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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£37.17
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£37.17
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£314.58
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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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£314.58
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£310.19
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£56.33
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Kibblewhite KPMI, Black Diamond Valve, Exhaust. 883-1200 Conversion – 2004–2022 XL883 to 1200 Conversion

Only 2 left!

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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£56.33
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Kibblewhite KPMI, Black Diamond Valve, Intake. 883-1200 Conversion – 2004–2022 XL883 to 1200 Conversion

Only 2 left!

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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£60.01
£60.01 - £60.01
£60.01
£56.33
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£358.14
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Rough Crafts Cam Cover. Chrome – Gen1 M8 Models Softail; 2017–2024…

Only 2 left!

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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£355.43 - £355.43
£355.43
£358.14
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£749.44
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Rough Crafts Custom Rocker Covers. Chrome – 2018–2025 Softail; 2017–2025…

Only 2 left!

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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£732.89 - £732.89
£732.89
£749.44
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£749.44
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£732.89 - £732.89
£732.89
£749.46
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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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£749.46
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£561.47
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£517.90
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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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£517.90
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£561.47
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£473.19
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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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£561.47
£473.19
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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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£561.47
£517.90
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