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

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.

Filters

Save 5% Save %
£9.47
£9.47 - £9.47
£9.47
£9.01
£9.01 - £9.01
£9.01

MCS WOODRUFF KEYS, SPROCKET SHAFT – 1956–1971 FL; FX & All S&S SPROCKET…

Only 3 left!

MCS WOODRUFF KEYS, SPROCKET SHAFT – 1956–1971 FL; FX & All S&S SPROCKET… WOODRUFF KEYS, SPROCKET SHAFT Fitment 56-71 FL; FX (NU) & all ...

View full details
£9.47
£9.47 - £9.47
£9.47
£9.01
£9.01 - £9.01
£9.01
Save 5% Save %
Save 5% Save %
£7.64
£7.64 - £7.64
£7.64
£7.26
£7.26 - £7.26
£7.26

MCS Woodruff Keys – 54-E75; 1987–1989 Big Twin: Pinion Gear…

Only 4 left!

MCS Woodruff Keys – 54-E75; 1987–1989 Big Twin: Pinion Gear… Pinion shaft / oil pump shaft. OEM replacement reference 23985-54. Fitment 54-E75; 87-...

View full details
£7.64
£7.64 - £7.64
£7.64
£7.26
£7.26 - £7.26
£7.26
Save 5% Save %
Save 5% Save %
£5.08
£5.08 - £5.08
£5.08
£4.83
£4.83 - £4.83
£4.83

MCS Wooruff Keys, Crankpin & Pinion Shaft – L1981–1999 Big Twin : Crankpin.…

Only 3 left!

MCS Wooruff Keys, Crankpin & Pinion Shaft – L1981–1999 Big Twin : Crankpin.… Repl. 11218. Fitment L81-99 Big Twin (Excl. TC) (NU) : crankpin. L...

View full details
£5.08
£5.08 - £5.08
£5.08
£4.83
£4.83 - £4.83
£4.83
Save 5% Save %
Save 5% Save %
£7.03
£7.03 - £7.03
£7.03
£6.70
£6.70 - £6.70
£6.70

MCS Woodruff Keys, Crankpin – 52-E81 K; XL Sportster; 30-E81 Big Twin…

Only 1 left!

MCS Woodruff Keys, Crankpin – 52-E81 K; XL Sportster; 30-E81 Big Twin… Two used. Repl. 23985-18. Fitment 52-E81 K; XL Sportster; 30-E81 Big Twin; 3...

View full details
£7.03
£7.03 - £7.03
£7.03
£6.70
£6.70 - £6.70
£6.70
Save 5% Save %
Save 5% Save %
£32.61
£32.61 - £32.61
£32.61
£31.05
£31.05 - £31.05
£31.05

MCS Woodruff Keys – 52-E81 K; XL Sportster; 12-E81 Big Twin…

Only 3 left!

MCS Woodruff Keys – 52-E81 K; XL Sportster; 12-E81 Big Twin… Pinion & sprocket shaft Fitment 52-E81 K; XL Sportster; 12-E81 Big Twin; 32-73 45"...

View full details
£32.61
£32.61 - £32.61
£32.61
£31.05
£31.05 - £31.05
£31.05
Save 5% Save %
Save 5% Save %
£38.08
£38.08 - £38.08
£38.08
£36.25
£36.25 - £36.25
£36.25

MCS Retainer, Pinion Shaft Bearing – 1954–1976 XL Sportster; 1955–1957 Big…

Only 3 left!

MCS Retainer, Pinion Shaft Bearing – 1954–1976 XL Sportster; 1955–1957 Big… Roller bearing retainer (cage) only; used on right side crankcase. Note...

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 %
£18.18
£18.18 - £18.18
£18.18
£17.31
£17.31 - £17.31
£17.31

MCS Thrust Washers, Pinion Shaft – 1954–1979 XL Sportster; 1955–1957 Big…

Only 3 left!

MCS Thrust Washers, Pinion Shaft – 1954–1979 XL Sportster; 1955–1957 Big… Thrust washers, pinion shaft Fitment 54-79 XL Sportster; 55-57 Big Twin (...

View full details
£18.18
£18.18 - £18.18
£18.18
£17.31
£17.31 - £17.31
£17.31
Save 5% Save %
Save 5% Save %
£43.50
£43.50 - £43.50
£43.50
£41.42
£41.42 - £41.42
£41.42

MCS Thrustwasher, Sprocket Shaft Bearing – 2003–2017 Twin Cam; 2017–2026 M8…

Only 1 left!

MCS Thrustwasher, Sprocket Shaft Bearing – 2003–2017 Twin Cam; 2017–2026 M8… 1 used. OEM replacement reference 8973; 8972 Fitment 03-17 (NU) Twin C...

View full details
£43.50
£43.50 - £43.50
£43.50
£41.42
£41.42 - £41.42
£41.42
Save 5% Save %
Save 5% Save %
£16.37
£16.37 - £16.37
£16.37
£15.59
£15.59 - £15.59
£15.59

MCS Spring, Baffle Oil Pan – 1999–2017 Dyna; 1999–2008 FLT

Only 2 left!

MCS Spring, Baffle Oil Pan – 1999–2017 Dyna; 1999–2008 FLT Spring, baffle oil pan Fitment 99-17 Dyna; 99-08 (NU) FLT Product Details Brand: MCS ...

View full details
£16.37
£16.37 - £16.37
£16.37
£15.59
£15.59 - £15.59
£15.59
Save 5% Save %
Save 15% Save %
£64.14
£64.14 - £64.14
£64.14
£54.79
£54.79 - £54.79
£54.79

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

Only 4 left!

MCS Outer Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam 1 used. Outer (primary) cam chain. OEM replacement reference 25610-99 Fitment 99-06 Twin C...

View full details
£64.14
£64.14 - £64.14
£64.14
£54.79
£54.79 - £54.79
£54.79
Save 15% Save %
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 1% Save %
£29.29
£29.29 - £29.29
£29.29
£28.88
£28.88 - £28.88
£28.88

James Gaskets Floatbowl to Carb Body Seal. Keihin – 1979–1982 XL Sportster; L1978–1983 Big…

Only 3 left!

James Gaskets Floatbowl to Carb Body Seal. Keihin – 1979–1982 XL Sportster; L1978–1983 Big… Rubber floatbowl seal used between carb body and floatb...

View full details
£29.29
£29.29 - £29.29
£29.29
£28.88
£28.88 - £28.88
£28.88
Save 1% 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 %
Sold out
£4.79
£4.79 - £4.79
£4.79
£4.40
£4.40 - £4.40
£4.40

Cometic Dipstick Engine Oil – 2013–2017 FXSB; 2006–2017 Dyna…

Out of stock

Cometic Dipstick Engine Oil – 2013–2017 FXSB; 2006–2017 Dyna… OEM replacement reference 11120. Fitment 13-17 (NU) FXSB; 06-17 (NU) Dyna; 07-25 FLT/...

View full details
£4.79
£4.79 - £4.79
£4.79
£4.40
£4.40 - £4.40
£4.40
Sold out
Save 1% Save %
£21.64
£21.64 - £21.64
£21.64
£21.34
£21.34 - £21.34
£21.34

James Gaskets Swingarm/Wheel Seal. Rubber OD – Wheel FR&RR: 1984–1999 Big Twin; XL…

Only 4 left!

James Gaskets Swingarm/Wheel Seal. Rubber OD – Wheel FR&RR: 1984–1999 Big Twin; XL… 250" wide. Single lip. OEM replacement reference 47519-83A ...

View full details
£21.64
£21.64 - £21.64
£21.64
£21.34
£21.34 - £21.34
£21.34
Save 1% Save %
Save 1% Save %
£33.11
£33.11 - £33.11
£33.11
£32.65
£32.65 - £32.65
£32.65

James Gaskets James Wheel Seal. Rubber – Laced Wheel Rear: 1967–1972 FL;1971–1972…

Only 3 left!

James Gaskets James Wheel Seal. Rubber – Laced Wheel Rear: 1967–1972 FL;1971–1972… James wheel seal. Rubber Fitment Laced wheel Rear: 67-72 FL;71-7...

View full details
£33.11
£33.11 - £33.11
£33.11
£32.65
£32.65 - £32.65
£32.65
Save 1% 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 %

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