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

Pre-Evo – Engine & Gaskets

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

Filters

Save 15% Save %
£48.95
£48.95 - £48.95
£48.95
£41.81
£41.81 - £41.81
£41.81

MCS Inner Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam

Only 4 left!

MCS Inner Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam 1 used. Connects both cams. Inner (secondary) camshaft chain. OEM replacement reference 25...

View full details
£48.95
£48.95 - £48.95
£48.95
£41.81
£41.81 - £41.81
£41.81
Save 15% Save %
Save 5% Save %
£38.08
£38.08 - £38.08
£38.08
£36.25
£36.25 - £36.25
£36.25

MCS Breather Pipe Assembly, Black – 1958–1964 Panhead

Only 2 left!

MCS Breather Pipe Assembly, Black – 1958–1964 Panhead OEM style reproduction. Fits between crankcase and primary. Note: See 915425 (OEM 24918-58) f...

View full details
£38.08
£38.08 - £38.08
£38.08
£36.25
£36.25 - £36.25
£36.25
Save 5% Save %
Save 5% Save %
£27.16
£27.16 - £27.16
£27.16
£25.86
£25.86 - £25.86
£25.86

MCS Breather Pipe Assembly, Black – 1948–1957 & 1964 61"/74" Panhead

Only 3 left!

MCS Breather Pipe Assembly, Black – 1948–1957 & 1964 61"/74" Panhead OEM style reproduction. Fits between crankcase and primary. Fitment 48-57 ...

View full details
£27.16
£27.16 - £27.16
£27.16
£25.86
£25.86 - £25.86
£25.86
Save 5% Save %
Save 5% Save %
£9.05
£9.05 - £9.05
£9.05
£8.61
£8.61 - £8.61
£8.61

MCS Stud, Idler Gear – 1954–1978 K; XL Sportster (00 CAT 97=USA…

Only 2 left!

MCS Stud, Idler Gear – 1954–1978 K; XL Sportster (00 CAT 97=USA… 54-78 K; XL(NU) (00 CAT 97=USA made) Fitment 54-78 K; XL Sportster (NU) (00 CAT 97...

View full details
£9.05
£9.05 - £9.05
£9.05
£8.61
£8.61 - £8.61
£8.61
Save 5% Save %
Save 7% Save %
£48.17
£48.17 - £48.17
£48.17
£44.73
£44.73 - £44.73
£44.73

MCS PCV Crankcase Breather Cannister – Universal

Only 1 left!

MCS PCV Crankcase Breather Cannister – Universal Chrome. Positive Crankcase Ventilation; a universal chrome plated steel crankvent system for use o...

View full details
£48.17
£48.17 - £48.17
£48.17
£44.73
£44.73 - £44.73
£44.73
Save 7% Save %
Save 5% Save %
£12.72
£12.72 - £12.72
£12.72
£12.11
£12.11 - £12.11
£12.11

MCS Woodruff Keys, Oil Pump Drive Gear / Breather Gear – L1975–1989 Big Twin : Drive Shaft Shaft…

Only 5 left!

MCS Woodruff Keys, Oil Pump Drive Gear / Breather Gear – L1975–1989 Big Twin : Drive Shaft Shaft… Multi-application. Oil pump driven feed & dri...

View full details
£12.72
£12.72 - £12.72
£12.72
£12.11
£12.11 - £12.11
£12.11
Save 5% Save %
Save 16% Save %
£3.18
£3.18 - £3.18
£3.18
£2.66
£2.66 - £2.66
£2.66

MCS Thrust Washer, Oil Pump – Oil Pump: 1991–2021 XL Sportster XR1200)

Only 3 left!

MCS Thrust Washer, Oil Pump – Oil Pump: 1991–2021 XL Sportster XR1200) 1 used on oil pump. Also for some fuel tank applications. Fitment Oil pump: ...

View full details
£3.18
£3.18 - £3.18
£3.18
£2.66
£2.66 - £2.66
£2.66
Save 16% Save %
Save 5% Save %
£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07

MCS Separator, Breather Screen – 1936–1969 Big Twin

Only 3 left!

MCS Separator, Breather Screen – 1936–1969 Big Twin OEM replacement reference 25279-36 (585-36A) Fitment 36-69 Big Twin (NU) Product Details Bran...

View full details
£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07
Save 5% Save %
Save 5% Save %
£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07

MCS Seal Ring, Pinion Shaft – 1940–1953 Big Twin

Only 2 left!

MCS Seal Ring, Pinion Shaft – 1940–1953 Big Twin Seal ring, pinion shaft Fitment 40-53 Big Twin (NU) Product Details Brand: MCS Category: MOTOR ...

View full details
£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07
Save 5% Save %
Save 11% Save %
£11.81
£11.81 - £11.81
£11.81
£10.52
£10.52 - £10.52
£10.52

MCS Breather Tube, Crankcase XL – 1954–1978 XLH; XLCH

Only 3 left!

MCS Breather Tube, Crankcase XL – 1954–1978 XLH; XLCH Breather tube, crankcase XL Fitment 54-78 XLH; XLCH (NU) Product Details Brand: MCS Catego...

View full details
£11.81
£11.81 - £11.81
£11.81
£10.52
£10.52 - £10.52
£10.52
Save 11% Save %
Save 11% Save %
£9.46
£9.46 - £9.46
£9.46
£8.42
£8.42 - £8.42
£8.42

MCS Breather Bolt Set – 1991–2022 XL Sportster

Only 1 left!

MCS Breather Bolt Set – 1991–2022 XL Sportster 2 used. Hollow breather bolts; 1/2-13 threaded. Allows connection of heads to breather hose. Note: S...

View full details
£9.46
£9.46 - £9.46
£9.46
£8.42
£8.42 - £8.42
£8.42
Save 11% Save %
Save 11% Save %
£9.64
£9.64 - £9.64
£9.64
£8.59
£8.59 - £8.59
£8.59

MCS Breather Bolt Set – 1999–2007 Twin Cam

Only 3 left!

MCS Breather Bolt Set – 1999–2007 Twin Cam 2 bolts used. Hollow bolts. 3/8-16 threaded. Short type. Allows connection of heads to breather hose. Fi...

View full details
£9.64
£9.64 - £9.64
£9.64
£8.59
£8.59 - £8.59
£8.59
Save 11% Save %
Save 1% Save %
£125.89
£125.89 - £125.89
£125.89
£124.11
£124.11 - £124.11
£124.11

Jims Sprocket Shaft Spacer Kit .336" to .666" Wide – 1955–1964 Big Twin & 1965–1969 Big Twin…

Only 2 left!

Jims Sprocket Shaft Spacer Kit .336" to .666" Wide – 1955–1964 Big Twin & 1965–1969 Big Twin… 8-piece kit. Used to shim-out primary belt pulley...

View full details
£125.89
£125.89 - £125.89
£125.89
£124.11
£124.11 - £124.11
£124.11
Save 1% Save %
£18.18 - £18.18
£18.18
£20.38
£20.38 - £20.38
£20.38

MCS 84-E85 Hydraulic Tappet De-activators – 84-E85 Evo Big Twin

Only 2 left!

MCS 84-E85 Hydraulic Tappet De-activators – 84-E85 Evo Big Twin Fits stock early hydraulic tappets in 84-E85 Evo Big Twin models only. This is basi...

View full details
£18.18 - £18.18
£18.18
£20.38
£20.38 - £20.38
£20.38
Save 11% Save %
£11.89
£11.89 - £11.89
£11.89
£10.59
£10.59 - £10.59
£10.59

MCS Breather Bolt Set – 2008–2017 Twin Cam; 2017–2025 M8

Only 2 left!

MCS Breather Bolt Set – 2008–2017 Twin Cam; 2017–2025 M8 2 bolts used. 3/8-16 threaded. Hollow bolts. Long type. Allows connection of heads to brea...

View full details
£11.89
£11.89 - £11.89
£11.89
£10.59
£10.59 - £10.59
£10.59
Save 11% Save %
Save 2% Save %
£40.59
£40.59 - £40.59
£40.59
£39.74
£39.74 - £39.74
£39.74

Colony Knuckle Banjo Style Rocker Cover Oil Feed Fittings – 1936–1941 Knucklehead

Only 2 left!

Colony Knuckle Banjo Style Rocker Cover Oil Feed Fittings – 1936–1941 Knucklehead Chrome plated. OEM reproduction. For rocker oil feed line. Kit in...

View full details
£40.59
£40.59 - £40.59
£40.59
£39.74
£39.74 - £39.74
£39.74
Save 2% Save %
Sold out
£43.68
£43.68 - £43.68
£43.68
£43.15
£43.15 - £43.15
£43.15

Colony 45" Cyl Head Nut Kit – 1929–1941 45" SV; 1926–1932 SINGLE CYL

Out of stock

Colony 45" Cyl Head Nut Kit – 1929–1941 45" SV; 1926–1932 SINGLE CYL Parkerized; 45" with cast iron heads Fitment 29-41 45" SV; 26-32 SINGLE CYL. (...

View full details
£43.68
£43.68 - £43.68
£43.68
£43.15
£43.15 - £43.15
£43.15
Sold out
Save 1% Save %
£37.58
£37.58 - £37.58
£37.58
£37.12
£37.12 - £37.12
£37.12

Colony Cam Cover Mount Kit – 2002–2017 V-Rod

Only 2 left!

Colony Cam Cover Mount Kit – 2002–2017 V-Rod Polished chrome allen Fitment 02-17 V-Rod (NU) Product Details Brand: Colony Category: MOTOR PARTS ...

View full details
£37.58
£37.58 - £37.58
£37.58
£37.12
£37.12 - £37.12
£37.12
Save 1% Save %
£24.62 - £24.62
£24.62
£28.37
£28.37 - £28.37
£28.37

Colony Cam Cover Mount Kit – 2002–2017 V-Rod

Only 2 left!

Colony Cam Cover Mount Kit – 2002–2017 V-Rod Chrome allen Fitment 02-17 V-Rod (NU) Product Details Brand: Colony Category: MOTOR PARTS > CAM ...

View full details
£24.62 - £24.62
£24.62
£28.37
£28.37 - £28.37
£28.37
£11.24 - £11.24
£11.24
£12.17
£12.17 - £12.17
£12.17

Colony Upper Crankcase Plug & Gasket Kt – 2002–2017 V-Rod

Only 2 left!

Colony Upper Crankcase Plug & Gasket Kt – 2002–2017 V-Rod Chrome Fitment 02-17 V-Rod (NU) Product Details Brand: Colony Category: MOTOR PART...

View full details
£11.24 - £11.24
£11.24
£12.17
£12.17 - £12.17
£12.17
Save 1% Save %
£33.53
£33.53 - £33.53
£33.53
£33.12
£33.12 - £33.12
£33.12

Colony Evo Lower Rocker Box Mount Kit. Zinc – 1984–1999 Evo Big Twin; 1986–2003 XL…

Only 2 left!

Colony Evo Lower Rocker Box Mount Kit. Zinc – 1984–1999 Evo Big Twin; 1986–2003 XL… Zinc plated steel. OEM style reproduction; incl. bolts and wash...

View full details
£33.53
£33.53 - £33.53
£33.53
£33.12
£33.12 - £33.12
£33.12
Save 1% Save %
Sold out
£12.18
£12.18 - £12.18
£12.18
£11.20
£11.20 - £11.20
£11.20

Colony Motor Mount Bolt Kit. Chrome – 2000–2017 Softail

Out of stock

Colony Motor Mount Bolt Kit. Chrome – 2000–2017 Softail Chrome plated flathead Allen heads with countersunk washers. Used to mount mount motor moun...

View full details
£12.18
£12.18 - £12.18
£12.18
£11.20
£11.20 - £11.20
£11.20
Sold out
Sold out
£22.86 - £22.86
£22.86
£26.34
£26.34 - £26.34
£26.34

Colony Evo Countersunk Rocker Cover Screw Kit – 1984–1999 Evo Big Twin; 1986–2022 XL…

Out of stock

Colony Evo Countersunk Rocker Cover Screw Kit – 1984–1999 Evo Big Twin; 1986–2022 XL… Chrome plated. With 8 countersunk flat head allenhead (socket...

View full details
£22.86 - £22.86
£22.86
£26.34
£26.34 - £26.34
£26.34
Sold out
Save 2% Save %
£46.05
£46.05 - £46.05
£46.05
£45.08
£45.08 - £45.08
£45.08

Colony Floorboard Support Rod Mount Kit. Chrome – All 1932–1973 45" & Servi-Car Models

Only 2 left!

Colony Floorboard Support Rod Mount Kit. Chrome – All 1932–1973 45" & Servi-Car Models Chrome. Left & right side bar; front & rear supp...

View full details
£46.05
£46.05 - £46.05
£46.05
£45.08
£45.08 - £45.08
£45.08
Save 2% 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