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Motorcycle Storehouse - Engine & Performance

Browse engine & performance from Motorcycle Storehouse. Check the individual product page for specifications and fitment before ordering.

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£16.37 - £16.37
£16.37
£16.37 - £16.37
£16.37

MCS Keihin CV Carburetor Rebuild Kit – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description Rebuild kit for all OEM Keihin CV (Constant Vacuum) carburetor variations as used on XL Sportster and Big Twin models. Replacement refe...

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£16.37 - £16.37
£16.37
£16.37 - £16.37
£16.37
£28.78 - £28.78
£28.78
£28.78 - £28.78
£28.78

MCS Petcock, Late OEM Style, Down Outlet – 1975–2006 Big Twin; XL Sportster…

Low stock

Description Chrome; down outlet; 1/4" (6.35mm) fuel hose; with filter & reserve; 22mm thread with nut Fitment 75-06 Big Twin; XL Sportster (NU)...

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£28.78 - £28.78
£28.78
£28.78 - £28.78
£28.78
£10.34 - £10.34
£10.34
£13.38
£13.38 - £13.38
£13.38

MCS Petcock Rebuild Kit – 1957–1998 Most Big Twin & XL Sportster…

Low stock

Description Includes two filters; a Viton valve disk and an O-ring. Fitment 57-98 most Big Twin & XL Sportster models (NU) Product Details Br...

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£10.34 - £10.34
£10.34
£13.38
£13.38 - £13.38
£13.38
£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98

MCS Rocker Shaft End Nut Set, Red Plastic Inserts – 1966–1984 Shovelhead; 1957–1985 XL…

Low stock

Description Chrome plated. With red plastic inserts like stock. OEM reproduction. Used on the left side of the rocker box. 7/16-20 threaded. Repl. ...

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£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98
£20.20 - £20.20
£20.20
£20.20 - £20.20
£20.20

MCS Bendix Carburetor Rebuild Kit, Imported – 38 mm Bendix Carburetors

Low stock

Description Complete rebuild kit for Bendix carburetors. OEM replacement reference 27132-71; 27132-71T. Fitment 38mm Bendix carburetors Product Det...

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£20.20 - £20.20
£20.20
£20.20 - £20.20
£20.20
£47.59 - £47.59
£47.59
£47.59 - £47.59
£47.59

MCS Steel Breather Valve. Std – L1977–1999 Big Twin

Low stock

Description OEM style replacement. Fitment L77-99 Big Twin (Excl. Twin Cam) (NU) Product Details Brand: MCS Category: MOTOR PARTS > BREATHER ...

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£47.59 - £47.59
£47.59
£47.59 - £47.59
£47.59
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£11.13
£11.13 - £11.13
£11.13
£9.95
£9.95 - £9.95
£9.95

MCS Exhaust Stud & Nut Kit 84-Up – 1984–2026 Big Twin; 1986–2022 XL…

Low stock

Description 5/16-18 to 5/16-24 X 1-11/16" long. Zinc plated studs with chrome plated nuts. Mounts exhaust to cylinder heads. Note: Exhaust studs as...

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£11.13
£11.13 - £11.13
£11.13
£9.95
£9.95 - £9.95
£9.95
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£9.12 - £9.12
£9.12
£9.12 - £9.12
£9.12

MCS Idle Screw, Extended Length. Hand Adjustable – 1981–1989 Big Twin; 1981–1987 XL…

Low stock

Description Chrome plated. Extended length to allow easy idle adjustments by hand. Includes the idle screw; spring and washer. Fitment 81-89 Big Tw...

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£9.12 - £9.12
£9.12
£9.12 - £9.12
£9.12
Sold out
£30.83 - £30.83
£30.83
£32.79
£32.79 - £32.79
£32.79

MCS Oil Drain Plug. 1/8"-27 N.p.t. Magnetic – Oil Tank: 2000–2016 Softail.…

Out of stock

Description Pipe plug. Torx head. Multiple drain plug applications. OEM replacement reference 739A. Fitment Oil tank: 00-16 Softail. Transmission: ...

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£30.83 - £30.83
£30.83
£32.79
£32.79 - £32.79
£32.79
Sold out
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£42.50
£42.50 - £42.50
£42.50
£38.80
£38.80 - £38.80
£38.80

MCS Muffler to Head Pipe Gasket (2) – 2017–2026 Softail; 2017 Dyna FXDB; FXDL…

Low stock

Description Used between mufflers and header pipes of late model Softail; FLT/Touring; Dyna and XL Sportster. OEM replacement reference 65900017 Fi...

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£42.50
£42.50 - £42.50
£42.50
£38.80
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£38.80
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£188.02
£188.02 - £188.02
£188.02
£182.90
£182.90 - £182.90
£182.90

MCS 40 mm CV Carburetor – Universal

Low stock

Description Quality reproduction of the 40mm Keihin Constant Vacuum with accelerator pump. This is the most frequently used carburetor in the V-Twi...

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£188.02
£188.02 - £188.02
£188.02
£182.90
£182.90 - £182.90
£182.90
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£13.56 - £13.56
£13.56
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£13.56

MCS Sprocket Shaft Spacer – 1970–1999 Big Twin

In stock

Description Note: Use 978321 JIMS or 979425 George''s Garage tool to install the sprocket shaft seal correctly and without damage. Fitment 70-99 Bi...

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£13.56 - £13.56
£13.56
£13.56 - £13.56
£13.56
£8.39 - £8.39
£8.39
£8.39 - £8.39
£8.39

MCS Bendix Carb Accelerator Rebuild Kit – 1971–1975 H-D with Bendix Carburetor

In stock

Description Fits all Bendix carburetors. OEM replacement reference 27762-71A. Note: Also used as rebuild kit on the ''Super Bowl'' float bowl with ...

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£8.39 - £8.39
£8.39
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£8.39
£8.44 - £8.44
£8.44
£8.44 - £8.44
£8.44

MCS Oil Tank Fill Plug, Short Dipstick – 1984–1999 Softail; 1982–2003 XL…

In stock

Description Chrome Fitment 84-99 Softail; 82-03 XL Sportster (NU) Product Details Brand: MCS Category: OIL FILTERS; TANKS AND PARTS > OIL TAN...

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£8.44 - £8.44
£8.44
£8.44 - £8.44
£8.44
£29.38 - £29.38
£29.38
£29.38 - £29.38
£29.38

MCS Flange Kit, Intake Manifold Mount. Chrome – 1984–2005 Big Twin; 1986–2006 XL…

In stock

Description Chrome plated steel. Includes front & rear flanges. Used to attach manifold to cylinder head. Fits early 84-89 Big Twin models that...

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£29.38 - £29.38
£29.38
£29.38 - £29.38
£29.38
£2.91 - £2.91
£2.91
£2.91 - £2.91
£2.91

MCS Replacement Foam Air Filter Element, Round – Universal

Low stock

Description Fits round ''Breather Style'' air cleaners 508310/508798/509311/508797 and similar air cleaners; Approx. dimensions: 18.5cm diameter x ...

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£2.91 - £2.91
£2.91
£2.91 - £2.91
£2.91
£11.34 - £11.34
£11.34
£11.34 - £11.34
£11.34

MCS Fitting Kit, Oil Gauge. Chrome – 1970–1999 Big Twin

Low stock

Description Incl. fitting; 45° adapter and 11105 O-ring. Allows installation of an oil gauge on top of the crankcase oil screen plug. Fitment 70-99...

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£11.34 - £11.34
£11.34
£11.34 - £11.34
£11.34
£19.15 - £19.15
£19.15
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£19.15

MCS Spacer, Rocker Arm – 1966–1984 Big Twin (4 Used)

Low stock

Description Spacer, rocker arm Fitment 66-84 Big Twin (NU) (4 used) Product Details Brand: MCS Category: MOTOR PARTS > ROCKER ARM PARTS Unit...

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£19.15 - £19.15
£19.15
£19.15 - £19.15
£19.15
Save 13% Save %
£8.22
£8.22 - £8.22
£8.22
£7.13
£7.13 - £7.13
£7.13

MCS Extended Idle Mixture Adjustment Screw Kit. CV Carbs – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description Brass. Allows easy adjustable air mixture screw at the tip of your fingers. No screwdriver necessary. Will replace stock air mixture sc...

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£8.22
£8.22 - £8.22
£8.22
£7.13
£7.13 - £7.13
£7.13
Save 13% Save %
Sold out
£22.58 - £22.58
£22.58
£23.85
£23.85 - £23.85
£23.85

MCS Fuel Line Kit 1/4", Braided – Universal for All Models with 1/4" Hose

Out of stock

Description Universal kit for petcocks that take 1/4" (6mm) hose. Includes 16" (40cm) fuel hose and two Econ-o-fit end caps. Fitment Universal for ...

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£22.58 - £22.58
£22.58
£23.85
£23.85 - £23.85
£23.85
Sold out
Save 8% Save %
£34.01
£34.01 - £34.01
£34.01
£31.43
£31.43 - £31.43
£31.43

MCS Vacuum Piston, Keihin CV Carburetor – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description Direct OEM style replacement. OEM replacement reference 27585-88. Fitment 90-06 Big Twin; 88-06 XL Sportster. With 40mm CV carburetor (...

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£34.01
£34.01 - £34.01
£34.01
£31.43
£31.43 - £31.43
£31.43
Save 8% Save %
£26.90 - £26.90
£26.90
£28.56
£28.56 - £28.56
£28.56

MCS Petcock, Late OEM Style, Left Outlet – 1975–2006 Big Twin; XL Sportster…

In stock

Description Chrome; left outlet; 1/4" (6.35mm) fuel hose; with filter & reserve; 22mm thread with nut Fitment 75-06 Big Twin; XL Sportster (NU)...

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£26.90 - £26.90
£26.90
£28.56
£28.56 - £28.56
£28.56
£18.88 - £18.88
£18.88
£20.04
£20.04 - £20.04
£20.04

MCS Oil Tank Dipstick with Temperature Gauge. Chrome Black Face – 1984–1999 Softail; 1982–2003 XL…

Low stock

Description Dipstick = 5.5cm below bottom rubber of plug. Scale runs from 10 to 177° Celsius. Just one look at the fill plug and know if your oil i...

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£18.88 - £18.88
£18.88
£20.04
£20.04 - £20.04
£20.04
£9.98 - £9.98
£9.98
£10.45
£10.45 - £10.45
£10.45

MCS Drop-In Oil Filter. Single Stage – 1953–1978 K; XL Sportster; 53-E82 Big…

In stock

Description Fits models with in-tank oil filters. Replaces the complete OEM type filter construction and will improve oil filtration over the stock...

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£9.98 - £9.98
£9.98
£10.45
£10.45 - £10.45
£10.45

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