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Engine - Additional Engine Products - Motorcycle Storehouse

Browse this smaller range of Engine - Additional Engine Products. Check exact model-year fitment and specifications on each product page.

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£6.19
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£5.37
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£5.37

MCS O2 Sensor Plug Set 18mm

Available

Description Sensor plug set; made from zinc plated steel. Fits 18mm x 1.50 sensor bungs. Required with non-O2 (oxygen) sensor equipped 86-up H-D mo...

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£6.19
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£6.19
£5.37
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£5.37
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£12.72
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£12.16
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£12.16

MCS Steel Breather Valve Spacers .115" for Harley-Davidson 1950-Early 1977 Big Twin

Currently Unavailable

Description Use with steel breather valves only. Small hole. Used to set correct end play. Note: Steel breathers require steel breather valve space...

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£12.72
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£12.16
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£39.32
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£39.32
£36.47
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£36.47

MCS Connecting Rod Race Set for Harley-Davidson 1954-1999 OEM XL Sportster; 1957-2003 S&S XL

Available

Description Replacement for 57-03 S&S & 57-99 OEM Sportster engines with bolted crankpins. Repl. 24341-52A rear; 24352-52A front rod races....

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£39.32
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£39.32
£36.47
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£36.47
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£14.82
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£13.25
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£13.25

MCS Rocker Arm Shaft, Import for Harley-Davidson 1966-1984 Big Twin

Available

Description OEM style replacement. Repl. 17611-66B Fitment66-84 Big Twin (NU)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER ARMS A...

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£14.82
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£14.82
£13.25
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£13.25
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£34.42
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£34.42
£32.91
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£32.91

MCS Camshaft Bushing, Outer. +.005". 36-69 OHV for 36-69 FL

Available

Description Camshaft cover bushing. Fitment36-69 FL (NU)Product Details Brand: MCS Category: MOTOR PARTS > CAMS BUSHINGS Unit: 1 Product co...

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£34.42
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£34.42
£32.91
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£32.91
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£32.61
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£31.18
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£31.18

MCS Camshaft Bushing, Outer. Std. 36-69 OHV for 36-69 FL

Currently Unavailable

Description Cam cover bushing. Fitment36-69 FL (NU)Product Details Brand: MCS Category: MOTOR PARTS > CAMS BUSHINGS Unit: 1 Product code: 5...

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£32.61
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£32.61
£31.18
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£10.09
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£9.65
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MCS Pinion Shaft Bushing. Std Size for Harley-Davidson 1954-Early 1973 Big Twin

Available

Description Bronze. Used in cam cover. OEM style replacement for 25582-54A. Note: Removes with JIMS 978300 tool (for 54-99 B.T.); installs with JIM...

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£10.09
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£9.65
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£32.61
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£31.18
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£31.18

MCS Camshaft Bushing, Outer. Std for Harley-Davidson 1952-2022 K, XL Sportster (Excl. XR1200): #1,3,4 Cam. 1937-1948 74/80" Flathead: #3,4 Cam. 1937-1973 45" (750cc) Flathead: #4 Cam.

Currently Unavailable

Description Used in the cam cover. Tech tip: Cam cover bushings are counted from rear to front of the engine. #1 = rear exhaust; #2 = rear intake; ...

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£32.61
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£16.86
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£15.28
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MCS Spring Cover Set, Pushrod for Harley-Davidson 1936-2025 Big Twin (Excl. Flatheads); 1957-1990 XL Sportster (1991-2022 XL Sportster When Custom Equipped with Multiple Parts Pushrod Covers)

Available

Description Chrome plated steel. OEM reproduction spring cup. Repl. 17945-36B. Fitment 36-25 Big Twin (excl. Flatheads) 57-90 XL Sportster (91-22 X...

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£16.86
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£23.68
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£22.64
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MCS Sprocket Shaft Bearing Spacer, Left Side for Harley-Davidson 1937-1954 OHV Big Twin; 1940-1948 Big Twin Flathead

Available

Description Sprocket shaft bearing spacer, left side Fitment 37-54 OHV Big Twin 40-48 Big Twin Flathead (NU) Product Details Brand: MCS Category...

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£23.68
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£23.68
£22.64
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£22.64
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£12.72
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MCS Spring, Rocker Arm for Harley-Davidson 1957-1985 XL Sportster

Available

Description OEM replacement reference 17483-57 Fitment57-85 XL Sportster (NU)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER ARM PA...

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£12.72
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£12.72
£12.16
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£51.26
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£47.57
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MCS 41-86 B.T. Connecting Rod Roller & Retainer Kit. Std for Harley-Davidson 1941-1986 Big Twin

Available

Description Aluminum retainers. Rollers only are available in various oversizes. For 87-99 Big Twin (excl. TC) models use oversize crankpins. No ov...

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£51.26
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£47.57
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£12.38
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£12.38
£11.08
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£11.08

MCS Cap Kit, Tappet Block Bolts. Chrome for Harley-Davidson Late 1976-1984 Shovelhead; 1984-1999 Evo Big Twin. Others That Are Custom Equipped with 12-Point Tappet Guide Bolts.

Available

Description Chrome plated plastic. Show covers that end the rough look of tappet block mounting bolts. Fits over OEM style 12-point tappet block bo...

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£12.38
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£12.38
£11.08
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£9.85
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£9.41
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£9.41

MCS Thrust Washer Camshaft. .100" for Harley-Davidson 1936-1999 Big Twin (Excl. 1991-1999 Evo Big Twin with OEM Cases and 1999 Twin Cam)

Currently Unavailable

Description Shims used to achieve correct cam end-play. Approx. dimensions: 1.062" OD; .820" ID. Fitment36-99 Big Twin (Excl. 91-99 Evo Big Twin wi...

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£9.85
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£9.41
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MCS Pinion Shaft, L83-86 B.T – L1983–1986 Big Twin
£138.45 - £138.45
£138.45
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£138.45

MCS Pinion Shaft, L81-E83 B.T. for Harley-Davidson Late 1981-Early 1983 Big Twin

Available

Description Repl. 24006-80. FitmentL81-E83 Big Twin (NU)Product Details Brand: MCS Category: MOTOR PARTS > PINION SHAFTS Unit: 1 Product co...

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£138.45 - £138.45
£138.45
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£138.45
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£5.59

MCS Chrome Head Bolt Cover with Skull

Available

Description 3/8 inch Product Details Brand: MCS Category: MOTOR PARTS > HEAD BOLT COVERS Unit: 10P Product code: 943592

£5.59 - £5.59
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MCS Camshaft Spacers, .140" for Harley-Davidson 2007-2025 Softail; 2006-2017 Dyna; 2007-2025 FLT/Touring (Excl. 2023-2025 121" VVT); 2009-2025 Trikes

Available

Description Use as required. OEM replacement reference 25737-06 Fitment 07-25 Softail 06-17 (NU) Dyna 07-25 FLT/Touring (excl. 23-25 121" VVT) 09-2...

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£36.41 - £36.41
£36.41
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£178.46
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£178.46

MCS Cylinder Sleeve. 3-7/16" Bore for 1937-1948 80" (1300 cc) Flathead

Available

Description 3-7/16" (3.422") bore. Cylinder liners are used to save stock cylinders. Note: In any and all applications the technician must be able ...

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£178.46 - £178.46
£178.46
£178.46 - £178.46
£178.46
MCS Pinion Shaft, 57-72 B.T – 1958–1972 Big Twin
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£138.45 - £138.45
£138.45
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£138.45

MCS Pinion Shaft, 73-E81 B.T. for Harley-Davidson 1973-Early 1981 Big Twin

Currently Unavailable

Description Repl. 24006-73. Fitment73-E81 Big Twin (NU)Product Details Brand: MCS Category: MOTOR PARTS > PINION SHAFTS Unit: 1 Product cod...

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£138.45 - £138.45
£138.45
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£138.45
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MCS Pinion Shaft, 57-72 B.T – 1958–1972 Big Twin
£164.42 - £164.42
£164.42
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£164.42

MCS Pinion Shaft, 74"/ 80" Flatheads for Harley-Davidson 1937-1948 74" (1200 cc) and 80" (1300 cc) Flathead Big Twin

Available

Description Repl. 24006-37 (356-37). Fitment37-48 74" (1200cc) and 80" (1300cc) Flathead Big Twin (NU)Product Details Brand: MCS Category: MOTOR...

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£164.42 - £164.42
£164.42
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£164.42
MCS Cylinder Sleeve. 3-1/2" Bore – 1979–1984 80" (1340cc) Shovel
£85.05 - £85.05
£85.05
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£85.05

MCS Cylinder Sleeve. 3-1/2" Bore for 79-84 80" (1340 cc) Shovel

Available

Description 3-1/2" (88.8mm) stock bore. Cylinder liners are used to save stock cylinders. Note: In any and all applications the technician must be ...

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£85.05 - £85.05
£85.05
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£85.05
£4.53 - £4.53
£4.53
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£4.53

MCS Spacer, for drive gear and idler gear for Harley-Davidson 1936-1969 OHV Big Twin

Available

Description 2 used. Used between drive gear and idler gear and the outer cam cover. OEM style repacement for 25800-36. Fitment36-69 OHV Big Twin (N...

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£4.53 - £4.53
£4.53
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£29.43 - £29.43
£29.43
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£29.43

MCS Spacer, Sprocker Shaft for Harley-Davidson 2003-2005 Dyna

Available

Description OEM replacement reference 24038-03 Fitment03-05 Dyna (NU)Product Details Brand: MCS Category: MOTOR PARTS > SPROCKET SHAFTS SPACE...

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£29.43 - £29.43
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£18.69 - £18.69
£18.69
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MCS Pinion Gear Red for Harley-Davidson 1993-1999 Big Twin (Excl. TC)

Currently Unavailable

Description Pinion gear red Fitment93-99 Big Twin (Excl. TC) (NU)Product Details Brand: MCS Category: MOTOR PARTS > PINION GEARS Unit: 1 Pr...

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£18.69 - £18.69
£18.69
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