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Motorcycle Storehouse - Engine & Performance

Browse Motorcycle Storehouse engine & performance products.

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£25.64 - £25.64
£25.64
£27.23
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£27.23

MCS Oil Tank Fill Plug, with Dipstick – 2004–2022 XL Sportster; 2008–2012 XR1200

Low stock

Description Chrome. OEM style replacement XL Sportster oil tank dipstick. Fits the right oil tank side cover. Note: See 572194 for matching chrome ...

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£25.64 - £25.64
£25.64
£27.23
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£27.23
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£9.05
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£9.05
£8.65
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£8.65

MCS Enrichment Spring, Keihin CV Carburetor – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description Used under starter cap on left side of carb body. OEM replacement reference 27315-88A. Fitment 90-06 Big Twin; 88-06 XL Sportster. With...

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£9.05
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£9.05
£8.65
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£12.39 - £12.39
£12.39
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£12.39

MCS Spring Seat, CV Carburetor – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description OEM replacement reference 27586-88. Fitment 90-06 Big Twin; 88-06 XL Sportster. With CV carburetor (NU) Product Details Brand: MCS C...

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£12.39 - £12.39
£12.39
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£44.26 - £44.26
£44.26
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£44.26

MCS Monster-Show Petcock, Round Body. Left Outlet – 1966–1974 Big Twin; 1957–1974 Sportster…

Low stock

Description Chrome; left outlet; for 1/4" (6.4mm) fuel hose; with filter & reserve; 3/8 NPT threaded. Why not have a custom petcock that looks ...

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£44.26 - £44.26
£44.26
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£82.70 - £82.70
£82.70
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£82.70

MCS Air Cleaner Breather Kit – 1993–2025 Big Twin in Custom…

Low stock

Description Routes the oily breather vapors; that clog the air cleaner element; away from your air intake. Kit includes 3/8" ID braided steel hose ...

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£82.70 - £82.70
£82.70
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£122.37 - £122.37
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£122.37

MCS 83-91 Kingsize Sportster Gas Tank, 3.1 Gallon – 1983–1991 XL Sportster

Low stock

Description Fuel tank with OEM styling but wider to hold more fuel than the stock peanut tank. Right side 22mm petcock (not included). Compatible w...

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£122.37 - £122.37
£122.37
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MCS Oil Pressure Gauge Kit Rocker Box, 0-60 Psi. Chrome – 1971–1984 Big Twin; 1971–1985 XL…

Low stock

Description Kit mounts to the rear rocker cover for easy and quick on the fly oil pressure monitoring. With adapter fitting to mount the gauge dire...

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£25.38
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£21.96

MCS Oil Pressure Gauge Kit Rocker Box, 0-60 Psi. Chrome – 1966–1970 Big Twin; 1957–1970 XL…

Low stock

Description Kit mounts to the rear rocker cover for easy and quick on the fly oil pressure monitoring. With adapter fitting to mount the gauge dire...

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£21.96
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MCS 58-E78 OEM Style Cigar Type Muffler 22" Long Chrome – 58-E78 FL; FLH with 2-1 System; Custom…

In stock

Description Used in past and used in the present for the true classic styling. 58-E78 style Touring muffler; 22" (55.9 cm) long; made from chrome p...

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£80.96 - £80.96
£80.96
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£200.77 - £200.77
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MCS Slash Cut Slip-On Muffler Set 18-1/2" Long Chrome – 1980–2003 XL Sportster

Low stock

Description Sportster muffler set; 18-1/2" (47 cm) long; with 1 3/4" (4.4 cm) inlet and 2-3/8" (6 cm) outside diameter. Fits stock head pipes. The ...

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MCS Spring, Oil Pump Check Valve – 1936–1955 and 1966–1980 Big Twin

Low stock

Description Spring, oil pump check valve Fitment 36-55 and 66-80 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS > OIL PUMP PA...

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£114.72 - £114.72
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£114.72

MCS Slip-On Fishtail Exhaust Extension 30" Long Chrome – 1-3/4" Head Pipes

Low stock

Description Slip-on Fishtail straight pipes; 30" (76.2 cm) long; with 1-3/4" (4.4 cm) inlet. The outer diameter of this extension is 1-7/8" (4.8 cm...

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£114.72 - £114.72
£114.72
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£114.72
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£21.38
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£21.38
£19.82
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£19.82

MCS Starter Valve, Keihin CV Carburetor – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description Used under starter cap on left side of carb body. OEM replacement reference 27583-88. Fitment 90-06 Big Twin; 88-06 XL Sportster. With ...

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£21.38
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£21.38
£19.82
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£5.71
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£4.77

MCS Starter Cap, CV Carburetor – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description OEM replacement reference 27581-88. Fitment 90-06 Big Twin; 88-06 XL Sportster. With CV carburetor (NU) Product Details Brand: MCS C...

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£5.71
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£4.77
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MCS Air Cleaner Breather Tube – 2000–2015 Softail; 2001–2007 Dyna…

Low stock

Description Rubber; stock replacement for stock oval air cleaners Fitment 00-15 Softail; 01-07 Dyna; 99-07 FLT/Touring (NU) Product Details Brand...

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£5.87 - £5.87
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£24.53
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£24.53
£22.22
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£22.22

MCS Fuel Pressure Regulator – 2008–2017 Softail; 2004–2017 Dyna…

Low stock

Description Replacement fuel pressure regulator for fuel injected models. OEM replacement reference 61015-04A Fitment 08-17 (NU) Softail; 04-17 (NU...

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£24.53
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£24.53
£22.22
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£14.94
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£14.17
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MCS Fuel Pump Plate Seal. Viton Rubber – 2018–2022 Softail 107"/114"; 2007–2022…

Low stock

Description 9mm thick. OEM replacement reference 75301-07. Fitment 18-22 Softail 107"/114"; 07-22 XL Sportster (NU) Product Details Brand: MCS C...

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£14.94
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£14.17
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£14.17
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£42.87
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£42.87
£39.62
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£39.62

MCS EFI External Fuel Line, Tank to Fuel Rail – 2007–2020 XL Sportster

Low stock

Description Complete fuel line; from fuel tank to fuel rail; with required connectors. Direct replacement for the OEM fuel line. OEM replacement re...

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£42.87
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£42.87
£39.62
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£39.62
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£26.09
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£26.09
£23.64
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£23.64

MCS Exhaust Flange and Retainer Kit. Chrome – 1984–2026 Big Twin; 1986–2022 XL…

Low stock

Description Steel. Complete kit with everything you need. Includes 2 flanges (84-03 style/17-up style) and 2 retaining rings. OEM replacement refer...

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£26.09
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£26.09
£23.64
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£23.64
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£15.76
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£15.76
£15.07
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£15.07

MCS Locked Thrust Washer, Camshaft – 1958–1990 Big Twin (OEM Cases)…

Low stock

Description With ''ears''. Fits against the crankcase; behind camshaft. This is the locked ''early'' 58-90 model for which a separate thrust washer...

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£15.76
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£15.07
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Sold out
£9.18
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£9.18
£8.54
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£8.54

MCS Main Jet Keihin CV Carb. 180 – 1988–2006 XL Sportster; 1990–2006 Big…

Out of stock

Description OEM replacement reference 27114-88. Fitment 88-06 XL Sportster; 90-06 Big Twin with Keihin CV carburetor (NU) Product Details Brand: ...

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£9.18
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£9.18
£8.54
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£8.54
Sold out
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£6.69
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£6.69
£6.47
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£6.47

MCS Cable Guide, Keihin CV Carburetor – 1990–2006 Big Twin; 1988–2006 XL…

In stock

Description OEM replacement reference 27580-88. Fitment 90-06 Big Twin; 88-06 XL Sportster. With CV carburetor (NU) Product Details Brand: MCS C...

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£6.69
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£6.69
£6.47
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£6.47
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£12.88
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£12.88
£10.20
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£10.20

MCS Exhaust Gaskets. 91-09 Style – 1984–2026 Big Twin; 1986–2022 XL…

Out of stock

Description ''late'' 91-09 conical style. Note: The 86-03/10-up style is preferred by many for better flow characteristics. Note: The 91-09 late st...

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£12.88
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£10.20
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£152.16
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£152.16
£128.82
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£128.82

MCS Gas Tank, Custom Sportster Low Tunnel 2.8 Gallon – Universal

Low stock

Description 2.8 gallon (10.6 liter). Custom low tunnel Sportster style gas tank for universal applications. Compatible with the pre-83 bajonet styl...

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£152.16
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£128.82
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