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Sportster – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Sportster models.

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Gardner-Westcott Cyl. Base Nut Kit, Acorn – 1952–1985 K; XL Sportster; 1929–1973 45"…

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Gardner-Westcott Cyl. Base Nut Kit, Acorn – 1952–1985 K; XL Sportster; 1929–1973 45"… Chrome Fitment 52-85 K; XL Sportster; 29-73 45" SV (NU) Produ...

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£27.08
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£24.92
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£24.92

Gardner-Westcott Cyl. Base Nut Kit, Hex – 1936–1984 Big Twin

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Gardner-Westcott Cyl. Base Nut Kit, Hex – 1936–1984 Big Twin Chrome Fitment 36-84 Big Twin (NU) Product Details Brand: Gardner-Westcott Category...

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£24.92
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£9.98
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£7.87
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£7.87

Gardner-Westcott Tappet Block Mount Kit. Slotted Tapered. Zinc – 30-E53 Big Twin; 1937–1973 45" Flathead

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Gardner-Westcott Tappet Block Mount Kit. Slotted Tapered. Zinc – 30-E53 Big Twin; 1937–1973 45" Flathead 1/4-24 threaded. OEM style slotted tapered...

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£7.87
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£106.44
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£106.44
£101.34
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£101.34

Gardner-Westcott Panhead Rocker Cover Screw Kit. Chrome Acorn. Long – 1948–1965 Panhead

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Gardner-Westcott Panhead Rocker Cover Screw Kit. Chrome Acorn. Long – 1948–1965 Panhead Chrome plated. Custom Acorn bolt set. Used to mount rocker ...

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£106.44
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£101.34
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£49.53
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£45.59
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£45.59

Gardner-Westcott Cam Cover Screw Kit, Acorn – 1970–1999 Big Twin

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Gardner-Westcott Cam Cover Screw Kit, Acorn – 1970–1999 Big Twin Cam cover screw kit, acorn Fitment 70-99 Big Twin (NU) (Excl. TC) Product Details ...

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£45.59
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£119.53
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£117.87
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£117.87

Gardner-Westcott Head Bolt Kit, Acorn – 57-E73 XL Sportster

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Gardner-Westcott Head Bolt Kit, Acorn – 57-E73 XL Sportster Chrome; 900cc models; incl. washers Fitment 57-E73 XL Sportster (NU) Product Details ...

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£117.87
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£12.72
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£12.72
£12.11
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£12.11

MCS Steel Breather Valve Spacers .130" – 50-E77 Big Twin

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MCS Steel Breather Valve Spacers .130" – 50-E77 Big Twin Use with steel breather valves only. Small hole. Used to set correct end play. Note: Steel...

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£12.11
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£10.38
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£9.88
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£9.88

MCS Bushing, Idler Gear – 57-E84 XL Sportster

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MCS Bushing, Idler Gear – 57-E84 XL Sportster 2 used Fitment 57-E84 XL Sportster (NU) Product Details Brand: MCS Category: MOTOR PARTS > CAM ...

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£9.88
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£32.61
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£31.05
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MCS Camshaft Bushing, Outer. Std – 1957–1990 XL Sportster; L1959–1973 45"…

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MCS Camshaft Bushing, Outer. Std – 1957–1990 XL Sportster; L1959–1973 45"… For #2 cam. Used in the cam cover. Tech tip: Cam cover bushings are coun...

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£31.05
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£31.05
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£32.61
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£31.05
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MCS Camshaft Bushing, Inner. 36-57 OHV – 1936–1957 OHV FL

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MCS Camshaft Bushing, Inner. 36-57 OHV – 1936–1957 OHV FL Camshaft bushing, inner. 36-57 OHV Fitment 36-57 OHV FL (NU) Product Details Brand: MCS...

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£31.05
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£32.61
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£31.05
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MCS Camshaft Bushing, Inner. 37-48 SV – 1937–1948 74/80" SV (4 USED)

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MCS Camshaft Bushing, Inner. 37-48 SV – 1937–1948 74/80" SV (4 USED) Camshaft bushing, inner. 37-48 SV Fitment 37-48 74/80" SV (NU) (4 USED) Produc...

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£31.05
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£12.14
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£12.14
£11.56
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MCS Pinion Shaft Bushing. Std. Size – 1957–1976 XL Sportster

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MCS Pinion Shaft Bushing. Std. Size – 1957–1976 XL Sportster Bronze. Used in cam cover. OEM style replacement for 25593-57. Fitment 57-76 XL Sports...

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£11.56
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£11.56
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£20.02
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£20.02
£19.07
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£19.07

MCS Chain Oiler Adj. Screw (Slotted) – 1933–1964; 68-E83 Big Twin; 1970–1976 XL…

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MCS Chain Oiler Adj. Screw (Slotted) – 1933–1964; 68-E83 Big Twin; 1970–1976 XL… Chain oiler adj. screw (slotted) Fitment 33-64; 68-E83 Big Twin; 7...

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£19.07
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£19.07
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£14.53 - £14.53
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£16.27
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£16.27

MCS Shaft, Idler Gear – 1936–1969 Big Twin

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MCS Shaft, Idler Gear – 1936–1969 Big Twin Stock style replacement part for OEM 25791-36. Fitment 36-69 Big Twin (NU) Product Details Brand: MCS ...

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£16.27
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£16.27
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£47.21
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£47.21
£43.45
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£43.45

Gardner-Westcott Rocker Box Top Bolt Kit. Buttonhead, Chrome – 1984–1999 Big Twin; 1986–2022 XL…

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Gardner-Westcott Rocker Box Top Bolt Kit. Buttonhead, Chrome – 1984–1999 Big Twin; 1986–2022 XL… Chrome plated buttonhead bolts. Includes washers. ...

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£43.45
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£43.45
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£49.29
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£49.29
£45.36
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£45.36

Gardner-Westcott Shovel Rocker Box Bolt Kit. Allen, Chrome – 66-E81 Shovelhead

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Gardner-Westcott Shovel Rocker Box Bolt Kit. Allen, Chrome – 66-E81 Shovelhead Chrome allenhead (socket head) bolts. Requires the removal of the OE...

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£45.36
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£45.36
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£35.64
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£32.80
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£32.80

Gardner-Westcott Rocker Shaft End Plug Set. OEM Style. Chrome – 1971–1984 Shovelhead; 1971–1985 XL…

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Gardner-Westcott Rocker Shaft End Plug Set. OEM Style. Chrome – 1971–1984 Shovelhead; 1971–1985 XL… Chrome plated. OEM style reproduction buttonhea...

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£32.80
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£18.68
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£18.68
£16.64
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£16.64

Gardner-Westcott Tappet Block Mount Kit. Flathead Allen, Chrome – L1976–1984 Big Twin. With 36-E76 Style…

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Gardner-Westcott Tappet Block Mount Kit. Flathead Allen, Chrome – L1976–1984 Big Twin. With 36-E76 Style… 1/4"-20 threaded bolts. Big Twin conversi...

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£16.64
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£7.12
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£7.12
£6.14
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£6.14

Gardner-Westcott Tappet Block Mount Kit. Allenhead, Chrome – 1957–1990 XL Sportster

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Gardner-Westcott Tappet Block Mount Kit. Allenhead, Chrome – 1957–1990 XL Sportster GW, tappet block mount kit. Allenhead, chrome Fitment 57-90 XL ...

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£60.45
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£55.64
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£55.64

Gardner-Westcott Big Twin Side Cover Mount Kit, SS Allen – 2000–2006 Softail

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Gardner-Westcott Big Twin Side Cover Mount Kit, SS Allen – 2000–2006 Softail Cam; primary; derby; inspection; transmission end covers. Fitment 00-0...

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£55.64
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£55.64
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£34.19
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£34.19
£31.46
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£31.46

Gardner-Westcott Cam Cover Mount Kit, Chr. Allen – 1999–2017 Twin Cam A/B

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Gardner-Westcott Cam Cover Mount Kit, Chr. Allen – 1999–2017 Twin Cam A/B Cam cover mount kit, chr. allen Fitment 99-17 Twin Cam A/B (NU) Product D...

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£31.46
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£21.81
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£19.42
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£19.42

Gardner-Westcott Cam Cover Screw Kit, Chr. Allen – 1987–1999 Softail; FLT/Touring

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Gardner-Westcott Cam Cover Screw Kit, Chr. Allen – 1987–1999 Softail; FLT/Touring Cam cover screw kit, chr. allen Fitment 87-99 Softail; FLT/Tourin...

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£19.42
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£10.50
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£9.06
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Gardner-Westcott Big Twin Cam Cover Mount Kit, Allen – 1970–1986 Big Twin

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Gardner-Westcott Big Twin Cam Cover Mount Kit, Allen – 1970–1986 Big Twin Big Twin cam cover mount kit, allen Fitment 70-86 Big Twin (NU) Product D...

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£9.06
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£22.60
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£20.13
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£20.13

Gardner-Westcott Oil Pump Mount Kit, Allen – 1991–1997 XL Sportster

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Gardner-Westcott Oil Pump Mount Kit, Allen – 1991–1997 XL Sportster Oil pump mount kit, allen Fitment 91-97 XL Sportster (NU) Product Details Bra...

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£20.13
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