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Engine

Use this Engine collection to narrow down suitable products for Harley-Davidson, American V-twin and compatible motorcycle applications. The selection includes options relating to engine components, subject to current availability. For an accurate match, compare the product’s stated fitment and dimensions with your motorcycle or equipment.

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£18.69 - £18.69
£18.69
£18.69 - £18.69
£18.69

MCS Pinion Gear Red – 1993–1999 Big Twin

Low stock

Description Pinion gear red Fitment 93-99 Big Twin (Excl. TC) (NU) Product Details Brand: MCS Category: MOTOR PARTS > PINION GEARS Unit: 1 ...

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£18.69 - £18.69
£18.69
£18.69 - £18.69
£18.69
£53.76 - £53.76
£53.76
£53.76 - £53.76
£53.76

MCS Bearing, Pinion Shaft – 1999–2002 Twin Cam a

In stock

Description 1 used. Fitment 99-02 Twin Cam A (Excl. Twin Cam B Softail) (NU) Product Details Brand: MCS Category: MOTOR PARTS > SPROCKET SHAF...

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£53.76 - £53.76
£53.76
£53.76 - £53.76
£53.76
£25.97 - £25.97
£25.97
£25.97 - £25.97
£25.97

MCS Nut, Crankpin – L81-E83 Big Twin

Low stock

Description 1"-20 threaded. Repl. 23969-80. Fitment L81-E83 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS > CRANKPINS Unit:...

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£25.97 - £25.97
£25.97
£25.97 - £25.97
£25.97
Sold out
£22.64 - £22.64
£22.64
£22.64 - £22.64
£22.64

MCS Feed Gear, Idler. Oil Pump – 1954–1962 & 1972–1976 XL Sportster

Out of stock

Description Feed gear, idler. oil pump Fitment 54-62 & 72-76 XL Sportster (NU) Product Details Brand: MCS Category: MOTOR PARTS > OIL PUM...

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£22.64 - £22.64
£22.64
£22.64 - £22.64
£22.64
Sold out
£6.90 - £6.90
£6.90
£6.90 - £6.90
£6.90

MCS Spacer Cam Drive Gear .355" – 1999 Twin Cam

Low stock

Description Use as required Fitment 1999 Twin Cam (NU) Product Details Brand: MCS Category: MOTOR PARTS > CAM DRIVE GEAR SPACERS Unit: 5 Pr...

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£6.90 - £6.90
£6.90
£6.90 - £6.90
£6.90
£33.11 - £33.11
£33.11
£33.11 - £33.11
£33.11

MCS Lower Pushrod Cover Kit. L79-84. Chrome – L1979–1984 Shovelhead

Low stock

Description Chrome plated steel. OEM style reproduction. For OEM style o-ring seals. Repl. 17938-79. Fitment L79-84 Shovelhead (NU) Product Details...

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£33.11 - £33.11
£33.11
£33.11 - £33.11
£33.11
£15.07 - £15.07
£15.07
£15.07 - £15.07
£15.07

MCS Import, Oil Pump Driven Gear. 24t – 1973–1999 Big Twin

Low stock

Description OEM style replacement. Fits S&S; S&S HVHP & OEM style oil pumps. Fitment 73-99 Big Twin (Excl. Twin Cam) (NU) Product Detai...

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£15.07 - £15.07
£15.07
£15.07 - £15.07
£15.07
Sold out
£103.80 - £103.80
£103.80
£103.80 - £103.80
£103.80

MCS Pinion Shaft Bushing. Std Size – 1955–1957 Ohv Big Twin

Out of stock

Description Steel. In crankcase. Fitment 55-57 OHV Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS > CRANKCASE BUSHINGS Unit:...

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£103.80 - £103.80
£103.80
£103.80 - £103.80
£103.80
Sold out
£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16

MCS Washer, Headbolt. Zinc – 41-E77 Big Twin (10 Used on One Engine)

Low stock

Description 7/16" ID x 3/4" OD x 1/8" thick Fitment 41-E77 Big Twin (10 used on one engine) Product Details Brand: MCS Category: MOTOR PARTS >...

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£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16
£7.53 - £7.53
£7.53
£7.53 - £7.53
£7.53

MCS Rocker Arm Shim Set Shovel .005" – 1966–1984 Shovelhead

In stock

Description Rocker arm shim set Shovel .005" Fitment 66-84 Shovelhead (NU) Product Details Brand: MCS Category: MOTOR PARTS > ROCKER ARM PART...

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£7.53 - £7.53
£7.53
£7.53 - £7.53
£7.53
£13.89 - £13.89
£13.89
£13.89 - £13.89
£13.89

MCS Sprocket Shaft Bearing Spacer Shim .114" – 1977–2003 XL Sportster

Low stock

Description Used to correct pre-load on the sprocket shaft bearing. Note: See 965410 for 9-piece shim assortment with .098" to .112" thick shims. F...

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£13.89 - £13.89
£13.89
£13.89 - £13.89
£13.89
£31.18 - £31.18
£31.18
£31.18 - £31.18
£31.18

MCS Lower Valve Spring Collar Set. Steel. Std – 1948–1965 Panhead; 1966–1979 Shovelhead

Low stock

Description OEM style replacement steel lower collars for use in OEM applications. USA made. Repl. 18222-48. Fitment 48-65 Panhead; 66-79 Shovelhea...

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£31.18 - £31.18
£31.18
£31.18 - £31.18
£31.18
£8.65 - £8.65
£8.65
£8.65 - £8.65
£8.65

MCS Sprocket Shaft Spacer Shim. .020" – 1970–2002 Big Twin

Low stock

Description Used to shim-out primary belt pulley or the OEM shaft extension to line-out motor sprocket with clutch hub. Compatible with Timken styl...

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£8.65 - £8.65
£8.65
£8.65 - £8.65
£8.65
£83.04 - £83.04
£83.04
£83.04 - £83.04
£83.04

MCS Bushing/Bearing Kit, Cam & Gear Shaft 73-92 B.t – 1973–1992 Big Twin

Low stock

Description Complete kit to set your cam up right; without missing anything. Kit includes following OEM part numbers: 2x 275 gear cover bushing pin...

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£83.04 - £83.04
£83.04
£83.04 - £83.04
£83.04
£200.23 - £200.23
£200.23
£200.23 - £200.23
£200.23

MCS Cylinder Sleeve. 3.188" Bore – L1973–1985 61" XL1000

Low stock

Description 3.188" stock bore. Cylinder liners are used to save stock cylinders. Note: In any and all applications the technician must be able to j...

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£200.23 - £200.23
£200.23
£200.23 - £200.23
£200.23
£136.10 - £136.10
£136.10
£136.10 - £136.10
£136.10

MCS Sprocket Shaft Bearing Assembly – 1952–1976 K; XL Sportster

Low stock

Description Sprocket shaft bearing assembly Fitment 52-76 K; XL Sportster (NU) Product Details Brand: MCS Category: MOTOR PARTS > SPROCKET SH...

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£136.10 - £136.10
£136.10
£136.10 - £136.10
£136.10
£164.42 - £164.42
£164.42
£164.42 - £164.42
£164.42

MCS Sprocket Shaft, 71-E81 Big Twin – 72-E81 Shovelhead

Low stock

Description OEM style replacement. Fitment 72-E81 Shovelhead (NU) Product Details Brand: MCS Category: MOTOR PARTS > SPROCKET SHAFTS Unit: 1...

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£164.42 - £164.42
£164.42
£164.42 - £164.42
£164.42
£41.90 - £41.90
£41.90
£41.90 - £41.90
£41.90

MCS Steel Breather Valve. Std – 1936–1947 Big Twin

Low stock

Description OEM style replacement. Fitment 36-47 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS > BREATHER VALVES Unit: 1 P...

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£41.90 - £41.90
£41.90
£41.90 - £41.90
£41.90
Sold out
£22.82 - £22.82
£22.82
£22.82 - £22.82
£22.82

MCS Pinion Shaft Bushing. Std. Size – L1973–1992 Big Twin

Out of stock

Description Bronze. Used in cam cover. OEM style replacement for 25582-73. Note: Removes with JIMS 978300 tool (for 54-99 B.T.); installs with JIMS...

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£22.82 - £22.82
£22.82
£22.82 - £22.82
£22.82
Sold out
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38

MCS Plastic Breather Valve Spacers .150" – L1977–1999 Big Twin

Low stock

Description Use with plastic breather valves only. Large hole. Note: Steel breathers require steel breather valve spacers. Plastic breathers requir...

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£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38
£31.18 - £31.18
£31.18
£31.18 - £31.18
£31.18

MCS Lower Valve Spring Collar Set. Steel. Std – 57-E81 XL Sportster

Low stock

Description OEM style replacement steel lower collars for use in OEM applications. USA made. Repl. 18220-57. Fitment 57-E81 XL Sportster (NU) Produ...

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£31.18 - £31.18
£31.18
£31.18 - £31.18
£31.18
£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40

MCS Spring, Check Valve Oil Pump – 57-E72 XL Sportster

Low stock

Description Spring, check valve oil pump Fitment 57-E72 XL Sportster (NU) Product Details Brand: MCS Category: MOTOR PARTS > OIL PUMP PARTS ...

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£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40

MCS Valve Key Set – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Low stock

Description OEM style replacement valve keepers. Sold in set of 8 to service one engine. Repl. 18229-83A. Fitment 84-99 Evo Big Twin; 99-04 Twin Ca...

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£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40
£25.97 - £25.97
£25.97
£25.97 - £25.97
£25.97

MCS Inner Bearing Race, Pinion Shaft – 1987–1999 Big Twin

Low stock

Description Inner bearing race, pinion shaft Fitment 87-99 Big Twin (NU) (Excl. TC) Product Details Brand: MCS Category: MOTOR PARTS > PINION...

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£25.97 - £25.97
£25.97
£25.97 - £25.97
£25.97

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