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

Motorcycle Storehouse - Engine & Performance

Browse Motorcycle Storehouse engine & performance products.

Filters

Save 13% Save %
£7.14
£7.14 - £7.14
£7.14
£6.18
£6.18 - £6.18
£6.18

MCS Oil Line Fitting, 90 Degree. 1/8"-27 Npt to 3/8". Chrome – Oil Pump: 1977–2022 XL Sportster; Custom…

Low stock

Description 1/8"-27 NPT to 3/8" (9.5mm) inside diameter oil hose. OEM replacement reference 26496-75A Fitment Oil pump: 77-22 XL Sportster (Excl. X...

View full details
£7.14
£7.14 - £7.14
£7.14
£6.18
£6.18 - £6.18
£6.18
Save 13% Save %
Save 9% Save %
£18.36
£18.36 - £18.36
£18.36
£16.64
£16.64 - £16.64
£16.64

MCS Oil Tank/Clutch Cable Mounting Bracket. Chrome – 65-E79 FL; FX

Low stock

Description Used to mount both oil tank and to hold the outer clutch cable. Replaces stock item on 65-E79 Big Twins and great for all 4-speed 65-84...

View full details
£18.36
£18.36 - £18.36
£18.36
£16.64
£16.64 - £16.64
£16.64
Save 9% Save %
Save 4% Save %
£5.81
£5.81 - £5.81
£5.81
£5.56
£5.56 - £5.56
£5.56

MCS Oil Line Fitting, Straight. 1/4" Npt to 5/16 Hose. Chrome

In stock

Description 1/4 NPT threaded to 5/16" (7.9mm) inside diameter hose. Product Details Brand: MCS Category: OIL FILTERS; TANKS AND PARTS > OIL L...

View full details
£5.81
£5.81 - £5.81
£5.81
£5.56
£5.56 - £5.56
£5.56
Save 4% Save %
Save 13% Save %
£7.81
£7.81 - £7.81
£7.81
£6.77
£6.77 - £6.77
£6.77

MCS Fuel & Oil Hose Guide Wire. Chrome – Universal

Low stock

Description Chrome plated steel. Used to help route fuel and oil lines. Length 5.7cm. 1cm I.D. small eyelet and 1.6cm large eyelet. Originally used...

View full details
£7.81
£7.81 - £7.81
£7.81
£6.77
£6.77 - £6.77
£6.77
Save 13% Save %
Save 13% Save %
£9.25
£9.25 - £9.25
£9.25
£8.01
£8.01 - £8.01
£8.01

MCS Fuel & Oil Hose Guide Wire. Zinc – Universal

Low stock

Description Zinc plated steel. Used to help route fuel and oil lines. Length 5.7cm. 1cm I.D. small eyelet and 1.6cm large eyelet. Originally used t...

View full details
£9.25
£9.25 - £9.25
£9.25
£8.01
£8.01 - £8.01
£8.01
Save 13% Save %
Sold out
£11.81
£11.81 - £11.81
£11.81
£10.56
£10.56 - £10.56
£10.56

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

Out of stock

Description Breather tube, crankcase XL Fitment 54-78 XLH; XLCH (NU) Product Details Brand: MCS Category: MOTOR PARTS > BREATHER PARTS Unit:...

View full details
£11.81
£11.81 - £11.81
£11.81
£10.56
£10.56 - £10.56
£10.56
Sold out
Save 13% Save %
£9.49
£9.49 - £9.49
£9.49
£8.22
£8.22 - £8.22
£8.22

MCS Oiler Tee, Rear Chain – 71-E78 FX; 1970–1979 FL

Low stock

Description 1/8-27 NPT threaded. Zinc plated. OEM replacement reference 63541-70. Fitment 71-E78 FX; 70-79 FL (NU) Product Details Brand: MCS Ca...

View full details
£9.49
£9.49 - £9.49
£9.49
£8.22
£8.22 - £8.22
£8.22
Save 13% Save %
Save 11% Save %
£10.26
£10.26 - £10.26
£10.26
£9.18
£9.18 - £9.18
£9.18

MCS Choke Knob, Chrome – All Dash Mount

In stock

Description 10-32" threaded; chrome plated aluminum Fitment ALL DASH MOUNT (Excl. 67-70 FL) Product Details Brand: MCS Category: INTAKE > CHO...

View full details
£10.26
£10.26 - £10.26
£10.26
£9.18
£9.18 - £9.18
£9.18
Save 11% Save %
Sold out
£9.46 - £9.46
£9.46
£10.38
£10.38 - £10.38
£10.38

MCS Breather Bolt Set – 1991–2022 XL Sportster

Out of stock

Description 2 used. Hollow breather bolts; 1/2-13 threaded. Allows connection of heads to breather hose. Note: See 999488 for breather bolt o-rings...

View full details
£9.46 - £9.46
£9.46
£10.38
£10.38 - £10.38
£10.38
Sold out
Save 11% Save %
£9.64
£9.64 - £9.64
£9.64
£8.62
£8.62 - £8.62
£8.62

MCS Breather Bolt Set – 1999–2007 Twin Cam

Low stock

Description 2 bolts used. Hollow bolts. 3/8-16 threaded. Short type. Allows connection of heads to breather hose. Fitment 99-07 Twin Cam (NU) Produ...

View full details
£9.64
£9.64 - £9.64
£9.64
£8.62
£8.62 - £8.62
£8.62
Save 11% Save %
Save 9% Save %
£29.12
£29.12 - £29.12
£29.12
£26.38
£26.38 - £26.38
£26.38

MCS Evolution Breather Kit – 1993–1999 Big Twin; 1991–2022 XL…

Low stock

Description Comes with 1/2-13 threaded bolts and accepts stock 3/8" hose. The simple breather solution for models with head vents. Used in combinat...

View full details
£29.12
£29.12 - £29.12
£29.12
£26.38
£26.38 - £26.38
£26.38
Save 9% Save %
Sold out
£32.83
£32.83 - £32.83
£32.83
£32.05
£32.05 - £32.05
£32.05

MCS Cam & Pinion Gear Gauge Pins 105" – 1954–1989 Big Twin

Out of stock

Description .105 inch diameter. Used to check pinion and cam gears for pitch diameters. A loose fit results in a clicking noise but a tight fit in ...

View full details
£32.83
£32.83 - £32.83
£32.83
£32.05
£32.05 - £32.05
£32.05
Sold out
Save 4% Save %
£18.18
£18.18 - £18.18
£18.18
£17.38
£17.38 - £17.38
£17.38

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

Low stock

Description Fits stock early hydraulic tappets in 84-E85 Evo Big Twin models only. This is basically a solid lifter conversion kit; used to de-acti...

View full details
£18.18
£18.18 - £18.18
£18.18
£17.38
£17.38 - £17.38
£17.38
Save 4% Save %
Save 8% Save %
£47.18
£47.18 - £47.18
£47.18
£43.60
£43.60 - £43.60
£43.60

MCS Air Cleaner Breather Bolt & Banjo Kit – 1993–2025 B.t.; 2017–2025 Trikes…

In stock

Description Enables installation of most custom aftermarket air cleaner assemblies. Comes with two pairs of banjo bolts to cover Evo (1/2-13 thread...

View full details
£47.18
£47.18 - £47.18
£47.18
£43.60
£43.60 - £43.60
£43.60
Save 8% Save %
£13.86 - £13.86
£13.86
£14.43
£14.43 - £14.43
£14.43

MCS Banjo Set – 1993–1999 Evo Big Twin

Low stock

Description For standard 3/8" rubber hose Fitment 93-99 Evo Big Twin (NU) Product Details Brand: MCS Category: INTAKE > AIRCLEANERS BREATHER ...

View full details
£13.86 - £13.86
£13.86
£14.43
£14.43 - £14.43
£14.43
Save 11% Save %
£11.89
£11.89 - £11.89
£11.89
£10.63
£10.63 - £10.63
£10.63

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

Low stock

Description 2 bolts used. 3/8-16 threaded. Hollow bolts. Long type. Allows connection of heads to breather hose. Used in combination with aftermark...

View full details
£11.89
£11.89 - £11.89
£11.89
£10.63
£10.63 - £10.63
£10.63
Save 11% Save %
Sold out
£112.48
£112.48 - £112.48
£112.48
£106.08
£106.08 - £106.08
£106.08

MCS Dual Breather Kit, Short Canister – 1993–2024 Big Twin

Out of stock

Description Chromed aluminum. Fits Evo; Twin Cam and M8 Big Twin models with head vents. Comes with two pairs of; 1/2-13 and 3/8-16 threaded; banjo...

View full details
£112.48
£112.48 - £112.48
£112.48
£106.08
£106.08 - £106.08
£106.08
Sold out
Save 9% Save %
£25.41
£25.41 - £25.41
£25.41
£23.03
£23.03 - £23.03
£23.03

MCS Exhaust Flange and Retainer Kit. Black – 1984–2025 Big Twin; 1986–2022 XL…

Low stock

Description Steel. Complete kit in black wrinkle finish with everything you need. Includes 2 flanges (84-03 style/17-22 style) and 2 retainers. OEM...

View full details
£25.41
£25.41 - £25.41
£25.41
£23.03
£23.03 - £23.03
£23.03
Save 9% Save %
Save 2% Save %
£23.96
£23.96 - £23.96
£23.96
£23.39
£23.39 - £23.39
£23.39

MCS Fitting, Oil Pressure Switch – 1958–1973 45" Sv; 1954–1976 K; KH; XL…

Low stock

Description 1 used Fitment 58-73 45" SV; 54-76 K; KH; XL Sportster (NU) Product Details Brand: MCS Category: MOTOR PARTS > CAM COVERS Unit: ...

View full details
£23.96
£23.96 - £23.96
£23.96
£23.39
£23.39 - £23.39
£23.39
Save 2% Save %
Save 1% Save %
£29.10
£29.10 - £29.10
£29.10
£28.95
£28.95 - £28.95
£28.95

MCS High Speed Needle, Linkert Carb – L1950–1965 Panhead

Low stock

Description M-61; 74; 74b carbs Fitment L50-65 PANHEAD (NU) Product Details Brand: MCS Category: INTAKE > CARBS LINKERT REPL PARTS Unit: EA ...

View full details
£29.10
£29.10 - £29.10
£29.10
£28.95
£28.95 - £28.95
£28.95
Save 1% Save %
Save 2% Save %
£16.53
£16.53 - £16.53
£16.53
£16.14
£16.14 - £16.14
£16.14

MCS U-Nut, Intake Lever Stud Nut – 1936–1957 Ohv Big Twin

Low stock

Description Linkert carbs Fitment 36-57 OHV Big Twin (NU) Product Details Brand: MCS Category: INTAKE > CARBS LINKERT REPL PARTS Unit: PK P...

View full details
£16.53
£16.53 - £16.53
£16.53
£16.14
£16.14 - £16.14
£16.14
Save 2% Save %
£18.18 - £18.18
£18.18
£19.15
£19.15 - £19.15
£19.15

MCS Sprocket Shaft Bearing Spacer Shim .098" – 1969–2002 Big Twin; Twin Cam B

Low stock

Description Used to set correct pre-load onto sprocket shaft bearings. Approx. dimensions: 1.265" ID; 1.530" OD Fitment 69-02 Big Twin; Twin Cam B ...

View full details
£18.18 - £18.18
£18.18
£19.15
£19.15 - £19.15
£19.15
Save 4% Save %
£5.39
£5.39 - £5.39
£5.39
£5.16
£5.16 - £5.16
£5.16

MCS Sprocket Shaft Bearing Spacer Shim .094" – 1969–2002 Big Twin; Twin Cam B

Low stock

Description Used to set correct pre-load onto sprocket shaft bearings. Approx. dimensions: 1.265" ID; 1.530" OD Fitment 69-02 Big Twin; Twin Cam B ...

View full details
£5.39
£5.39 - £5.39
£5.39
£5.16
£5.16 - £5.16
£5.16
Save 4% Save %
Save 4% Save %
£7.48
£7.48 - £7.48
£7.48
£7.15
£7.15 - £7.15
£7.15

MCS Sprocket Shaft Bearing Spacer Shim .098" – 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...

View full details
£7.48
£7.48 - £7.48
£7.48
£7.15
£7.15 - £7.15
£7.15
Save 4% 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