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

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.

Back to Engine - Additional Engine Products

Filters

£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98

MCS Rocker Shaft End Nut Set, Red Plastic Inserts for Harley-Davidson 1966-1984 Shovelhead; 1957-1985 XL Sportster

Available

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. ...

View full details
£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98
£13.56 - £13.56
£13.56
£13.56 - £13.56
£13.56

MCS Sprocket Shaft Spacer for Harley-Davidson 1970-1999 Big Twin (Excl. Twin Cam)

Available

Description Note: Use 978321 JIMS or 979425 George's Garage tool to install the sprocket shaft seal correctly and without damage. Fitment70-99 Big ...

View full details
£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 Carburettor

Available

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

View full details
£8.39 - £8.39
£8.39
£8.39 - £8.39
£8.39
£19.15 - £19.15
£19.15
£19.15 - £19.15
£19.15

MCS Spacer, Rocker Arm - 1966-1984 Big Twin (4 Used) for Harley-Davidson 1966-1984 Big Twin(4 Used)

Available

Description Spacer, rocker arm Fitment66-84 Big Twin (NU) (4 used)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER ARM PARTS Unit: ...

View full details
£19.15 - £19.15
£19.15
£19.15 - £19.15
£19.15
£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40

MCS Rocker Arm Shim Set Shovel .015" for 1966-1984 Shovelhead

Available

Description Rocker arm shim set Shovel .015" Fitment66-84 Shovelhead (NU)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER SHAFT SHIM...

View full details
£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40
Save 3% Save %
£51.78
£51.78 - £51.78
£51.78
£50.21
£50.21 - £50.21
£50.21

MCS Isolator Motor Mount Rubber. Front for Harley-Davidson 2009-2016 FLT/Touring

Available

Description 2 used. OEM style reproduction engine isolator rubber; engine mount rubber or anti-vibration motor mount rubber. OEM replacement refere...

View full details
£51.78
£51.78 - £51.78
£51.78
£50.21
£50.21 - £50.21
£50.21
Save 3% Save %
Save 13% Save %
£6.08
£6.08 - £6.08
£6.08
£5.27
£5.27 - £5.27
£5.27

MCS Air Cleaner Breather Tube for Harley-Davidson 2008-2013 FLT/Touring

Available

Description Rubber; stock replacement for stock aircleaners Fitment08-13 FLT/Touring (NU)Product Details Brand: MCS Category: MOTOR PARTS > B...

View full details
£6.08
£6.08 - £6.08
£6.08
£5.27
£5.27 - £5.27
£5.27
Save 13% Save %
Save 11% Save %
£9.64
£9.64 - £9.64
£9.64
£8.62
£8.62 - £8.62
£8.62

MCS Breather Bolt Set for 99-07 Twin Cam

Available

Description 2 bolts used. Hollow bolts. 3/8-16 threaded. Short type. Allows connection of heads to breather hose. Fitment99-07 Twin Cam (NU)Product...

View full details
£9.64
£9.64 - £9.64
£9.64
£8.62
£8.62 - £8.62
£8.62
Save 11% Save %
£34.42 - £34.42
£34.42
£38.12
£38.12 - £38.12
£38.12

MCS Pinion Shaft Bearing, XL Sportster. White/Grey for Harley-Davidson 1987-2022 XL Sportster; 2008-2012 XR1200

Available

Description Sold with the OEM color code. Replacement late style right side crankcase bearing. OEM replacement reference 24659-87. Note: See 555545...

View full details
£34.42 - £34.42
£34.42
£38.12
£38.12 - £38.12
£38.12
Save 4% Save %
£15.76
£15.76 - £15.76
£15.76
£15.07
£15.07 - £15.07
£15.07

MCS Locked Thrust Washer, Camshaft for Harley-Davidson 1958-1990 Big Twin (OEM Cases); 1958-1999 Big Twin (Aftermarket Cases) (Excl. All Twin Cam)

Available

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

View full details
£15.76
£15.76 - £15.76
£15.76
£15.07
£15.07 - £15.07
£15.07
Save 4% Save %
Save 4% Save %
£27.16
£27.16 - £27.16
£27.16
£25.97
£25.97 - £25.97
£25.97

MCS Breather Valve Spacer Set .110" to .145" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam)

Available

Description 8-pack Incl. .110"; .115"; .120"; .125"; .130"; .135"; .140" and .145". Use with steel breather valves only. Large hole. Used to set co...

View full details
£27.16
£27.16 - £27.16
£27.16
£25.97
£25.97 - £25.97
£25.97
Save 4% Save %
Save 8% Save %
£34.89
£34.89 - £34.89
£34.89
£32.25
£32.25 - £32.25
£32.25

MCS Evo Spark Plug & Head Bolt Cover Kit. Chrome for Harley-Davidson 1986-1999 Big Twin

Available

Description Chrome plated steel construction. Gives the finishing touch to your cylinder head. Quick installation; long lasting results. Fitment86-...

View full details
£34.89
£34.89 - £34.89
£34.89
£32.25
£32.25 - £32.25
£32.25
Save 8% Save %
£38.08 - £38.08
£38.08
£39.87
£39.87 - £39.87
£39.87

MCS Camshaft Roller Bearing. Outer, Rear for Harley-Davidson 1999-2006 Twin Cam (Excl. 2006 Dyna)

Available

Description OEM style 3-piece roller bearing that replaced the OEM 8990 ball bearing; used as the rear outer cam bearing from 2001-up. OEM replacem...

View full details
£38.08 - £38.08
£38.08
£39.87
£39.87 - £39.87
£39.87
Save 11% Save %
£10.46
£10.46 - £10.46
£10.46
£9.36
£9.36 - £9.36
£9.36

MCS Dual Inlet Crankcase Breather Filter. Chrome for Universal for Head Vented Models

Available

Description Fits head vented Big Twin and Sportster models. Enables you to use any aftermarket air cleaner set-up since both heads can be connected...

View full details
£10.46
£10.46 - £10.46
£10.46
£9.36
£9.36 - £9.36
£9.36
Save 11% Save %
£32.61 - £32.61
£32.61
£32.91
£32.91 - £32.91
£32.91

MCS 57-85 XL Tappet Adjusting Screw Kit for Harley-Davidson 1957-1985 XL Sportster

Available

Description With 5/16" ball-end. 9/32"-32 threaded. Fits OEM 18508-52B and any other adjustable tappets with 9/32"-32 threads. Repl. 18554-57. Note...

View full details
£32.61 - £32.61
£32.61
£32.91
£32.91 - £32.91
£32.91
£30.78 - £30.78
£30.78
£31.18
£31.18 - £31.18
£31.18

MCS Lock Nuts, for tappet adjuster screw for 2015-1985 All Harley-Davidson (Excl. All Evolution Big Twin Models)

Available

Description 9/32"-32 threaded. Fits all tappets that take 9/32-32 threaded adjusting screws. Replaces OEM 18570-38. Note: For adjusting screws see ...

View full details
£30.78 - £30.78
£30.78
£31.18
£31.18 - £31.18
£31.18
Save 4% Save %
£5.64
£5.64 - £5.64
£5.64
£5.39
£5.39 - £5.39
£5.39

MCS Rocker Arm Shim Set Shovel .007" for 1966-1984 Shovelhead

Available

Description Rocker arm shim set Shovel .007" Fitment66-84 Shovelhead (NU)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER SHAFT SHIM...

View full details
£5.64
£5.64 - £5.64
£5.64
£5.39
£5.39 - £5.39
£5.39
Save 4% Save %
Save 10% Save %
£9.25
£9.25 - £9.25
£9.25
£8.28
£8.28 - £8.28
£8.28

MCS Auto-Just Rocker Arm Tension Kit for 1966-1984 Shovelhead

Available

Description Once installed the pressure of the wave springs will remove any excessive lateral play; keeping rocker arms in place and reducing valve...

View full details
£9.25
£9.25 - £9.25
£9.25
£8.28
£8.28 - £8.28
£8.28
Save 10% Save %
Sold out
£21.59 - £21.59
£21.59
£21.59 - £21.59
£21.59

MCS Shovel Rocker Box Oil Line Kit. Braided Stainless for 1966-1984 Shovelhead

Currently Unavailable

Description With custom braided stainless steel oil lines. Complete kit with seals and fittings. Fitment66-84 Shovelhead (NU)Product Details Bran...

View full details
£21.59 - £21.59
£21.59
£21.59 - £21.59
£21.59
Sold out
£7.53 - £7.53
£7.53
£7.53 - £7.53
£7.53

MCS Rocker Arm Shim Set Shovel .005" for 1966-1984 Shovelhead

Available

Description Rocker arm shim set Shovel .005" Fitment66-84 Shovelhead (NU)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER ARM PARTS ...

View full details
£7.53 - £7.53
£7.53
£7.53 - £7.53
£7.53
£36.61 - £36.61
£36.61
£36.61 - £36.61
£36.61

MCS Evo Big Twin Tappet Block Cover Set. Chrome for Harley-Davidson 1984-1999 Evo Big Twin

Available

Description Chrome plated stamped steel covers. Fits over the existing tappet guides to improve looks. Installation does not require disassembling ...

View full details
£36.61 - £36.61
£36.61
£36.61 - £36.61
£36.61
£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16

MCS Nut, Motor Sprocket for Harley-Davidson Late 1970-1990 Big Twin

Available

Description For compensating sprocket FitmentL70-90 Big Twin (NU)Product Details Brand: MCS Category: MOTOR PARTS > SPROCKET SHAFTS NUTS Uni...

View full details
£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16
£83.04 - £83.04
£83.04
£83.04 - £83.04
£83.04

MCS Bushing/Bearing Kit, Cam & Gear Shaft 73-92 B.T. for Harley-Davidson 1973-1992 Big Twin

Available

Description Complete kit to set your cam up right; without missing anything. Kit includes following OEM part numbers: 2x 275 gear cover bushing pin...

View full details
£83.04 - £83.04
£83.04
£83.04 - £83.04
£83.04
£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16

MCS Steel Breather Valve Spacers .120" for Harley-Davidson 1950-Early 1977 Big Twin

Available

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

View full details
£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16

Compare products

Select 2 or 3 items to compare

Select first item to compare

Select second item to compare

Select third item to compare

Compare