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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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£23.35 - £23.35
£23.35
£23.35 - £23.35
£23.35

Paughco Petcock Adapter Nut 1/4" to 3/8" – 1957–1974 H-D with Internal Threaded…

Low stock

Description Converts pre-75 tanks with 3/8 NPT internal thread to 1/4 NPT for custom 1/4 NPT threaded petcocks Fitment 57-74 H-D (NU) with internal...

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£23.35 - £23.35
£23.35
£23.35 - £23.35
£23.35
£32.43 - £32.43
£32.43
£32.43 - £32.43
£32.43

MCS Petcock, H-D Early Dual Lever Style. Chrome – 1957–1974 Tanks with Internal Threads

Low stock

Description The early double lever style fuel valve; with reserve and filter. Fits 57-74 gas tanks with internal thread (3/8" NPT). For 5/16" (8mm)...

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£32.43 - £32.43
£32.43
£32.43 - £32.43
£32.43
£11.59 - £11.59
£11.59
£11.59 - £11.59
£11.59

MCS Petcock Adapter Nut 22 mm to 1/4" – 1975–2006 Big Twin; XL Sportster…

Low stock

Description Converts 75-up tanks with 22mm external thread to 1/4 NPT thread for custom 1/4 threaded petcocks Fitment 75-06 Big Twin; XL Sportster ...

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£11.59 - £11.59
£11.59
£11.59 - £11.59
£11.59
£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
£14.04 - £14.04
£14.04
£14.04 - £14.04
£14.04

MCS Gas Tank EFI to Carb Adapter. Stainless – 2001–2025 H-D with Delphi Fuel Injection…

Low stock

Description Adapter only. Used to convert from Delphi Fuel injection to carburetor with regular 22mm petcocks. Includes 11323 / 11323A O-ring. Fitm...

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£14.04 - £14.04
£14.04
£14.04 - £14.04
£14.04
£14.56 - £14.56
£14.56
£14.56 - £14.56
£14.56

MCS Exhaust Tie Wraps 14.25" Long Black Stainless – Up to 4" Diameter Exhaust Pipes

Low stock

Description Low profile 304 stainless steel cable-ties to secure exhaust wrap ends. 7.9mm wide. 14.25" long is okay for up to 4" diameter pipes. Fi...

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£14.56 - £14.56
£14.56
£14.56 - £14.56
£14.56
£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
Sold out
£41.64 - £41.64
£41.64
£41.64 - £41.64
£41.64

MCS Gas Cap, Pop-Up Vented – 1983–1995 H-D

Out of stock

Description Black; vented 60mm Outside Diameter Fitment 83-95 H-D (NU) Product Details Brand: MCS Category: GAS TANKS > GASCAPS Unit: 1 Pro...

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£41.64 - £41.64
£41.64
£41.64 - £41.64
£41.64
Sold out
£43.45 - £43.45
£43.45
£43.45 - £43.45
£43.45

MCS Blue Lightning Air Filter Element – 2004–2013 XL Sportster

Low stock

Description Economically priced but high-end quality and offering superior flow; longer service intervals; better flame resistance and will last mu...

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£43.45 - £43.45
£43.45
£43.45 - £43.45
£43.45
£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
£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
£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
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£17.38
£57.58 - £57.58
£57.58
£57.58 - £57.58
£57.58

MCS XL Sportster Air Cleaner Cover. Black, Grooved – 2004–2020 XL Sportster with Stock Oval…

Low stock

Description OEM style replacement for models equipped with the stock oval air cleaner cover. Fitment 04-20 XL Sportster with stock oval air cleaner...

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£57.58 - £57.58
£57.58
£57.58 - £57.58
£57.58
£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
£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
£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
£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
Sold out
£31.18 - £31.18
£31.18
£31.18 - £31.18
£31.18

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

Out of 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
Sold out
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
£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
£12.98 - £12.98
£12.98
£12.98 - £12.98
£12.98

MCS Intake Clamps, O-Ring Type – 1957–1978 XL Sportster; 55-E78 Big Twin

Low stock

Description Stainless steel; with locknut Fitment 57-78 XL Sportster; 55-E78 Big Twin Product Details Brand: MCS Category: INTAKE > INTAKE CL...

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£12.98 - £12.98
£12.98
£12.98 - £12.98
£12.98
£87.66 - £87.66
£87.66
£87.66 - £87.66
£87.66

MCS Trumpet Universal Straight Muffler 18-1/2" Long Chrome – 1 3/4" Diameter Headers

Low stock

Description Universal muffler; 18-1/2" (47 cm) long. Muffler comes with an inside diameter of 1-3/4" (4.4 cm) and outside diameter of 1-7/8" (4.8cm...

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£87.66 - £87.66
£87.66
£87.66 - £87.66
£87.66
£41.55 - £41.55
£41.55
£41.55 - £41.55
£41.55

Daytona 53-84 Hydraulic Unit, Made in Japan – 1953–1965 Panhead; 1966–1984 Shovelhead

Low stock

Description OEM reproduction premium quality hydraulic unit. Made in Japan high precision product. Replacement for OEM 17920-53A. Note: The early s...

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£41.55 - £41.55
£41.55
£41.55 - £41.55
£41.55

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