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Softail – Engine & Gaskets

Browse engine & gaskets selected for Harley-Davidson Softail motorcycles. Current products cover engine components and gaskets, seals and service parts, depending on the specification and application. Compatibility varies, so match the stated model, year and technical details before ordering.

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£55.48 - £55.48
£55.48
£55.48 - £55.48
£55.48

MCS 84-99 Tappet Assembly. Standard Size – 1984–1999 Evo Big Twin; 1986–1990 XL…

In stock

Description Complete with roller. OEM style replacement lifter. Repl. 18523-86B. Fitment 84-99 Evo Big Twin; 86-90 XL Sportster (NU) Product Detail...

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£55.48 - £55.48
£55.48
£55.48 - £55.48
£55.48
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38

MCS Plastic Breather Valve Spacers .140" – 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
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38

MCS Plastic Breather Valve Spacers .145" – 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
£17.38 - £17.38
£17.38
£16.87 - £16.87
£16.87
£16.87 - £16.87
£16.87

MCS Nut, Sprocket Shaft Extension. 1/2" – 1991–2006 Softail; 1985–1994 FXR…

Low stock

Description Nut, sprocket shaft extension. 1/2" Fitment 91-06 Softail; 85-94 FXR; 91-05 Dyna; 85-06 FLT/Touring (NU) Product Details Brand: MCS ...

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£16.87 - £16.87
£16.87
£16.87 - £16.87
£16.87
£138.19 - £138.19
£138.19
£138.19 - £138.19
£138.19

MCS OEM Style 93-99 Cam Cover. Black – 1993–1999 Big Twin

In stock

Description Cast aluminum gear cover / nose cone. Fitment 93-99 Big Twin (Excl. Twin Cam) (NU) Product Details Brand: MCS Category: MOTOR PARTS ...

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£138.19 - £138.19
£138.19
£138.19 - £138.19
£138.19
Sold out
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38

MCS Plastic Breather Valve Spacers .165" – L1977–1999 Big Twin

Out of stock

Description Use with plastic breather valves only. Large hole. Note: Steel breathers require steel breather valve spacers. Plastic breathers requir...

View full details
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38
Sold out
£9.72 - £9.72
£9.72
£9.72 - £9.72
£9.72

MCS Feed Gear, Driven. Oil Pump – 1968–1999 Big Twin

Low stock

Description Feed gear, driven. oil pump Fitment 68-99 Big Twin (NU) (Excl. TC) Product Details Brand: MCS Category: MOTOR PARTS > OIL PUMPS G...

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£9.72 - £9.72
£9.72
£9.72 - £9.72
£9.72
Sold out
£38.12 - £38.12
£38.12
£38.12 - £38.12
£38.12

MCS Spacer, Sprocket Shaft – 2001–2002 Softail (in Expl. View Only)

Out of stock

Description Spacer, sprocket shaft Fitment 01-02 Softail (NU) (IN EXPL. VIEW ONLY) Product Details Brand: MCS Category: MOTOR PARTS > SPROCKE...

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£38.12 - £38.12
£38.12
£38.12 - £38.12
£38.12
Sold out
£5.16 - £5.16
£5.16
£5.16 - £5.16
£5.16

MCS Sprocket Shaft Bearing Spacer Shim .104" – 1969–2002 Big Twin; Twin Cam B

Low stock

Description Used to set correct pre-load onto sprocket shaft bearings. Approx. dimensions: 1.265" ID; 1.530" OD Fitment 69-02 Big Twin; Twin Cam B ...

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£5.16 - £5.16
£5.16
£5.16 - £5.16
£5.16
£19.94 - £19.94
£19.94
£19.94 - £19.94
£19.94

MCS Inner Pushrod Cover Tube – 1999–2017 Twin Cam; 2017–2026 M8

Low stock

Description Zinc plated steel. 4 used. OEM style reproduction. Inner (upper) pushrod cover tube that fit behind the clip type pushrod retainer. OEM...

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£19.94 - £19.94
£19.94
£19.94 - £19.94
£19.94
£9.41 - £9.41
£9.41
£9.41 - £9.41
£9.41

MCS Thrust Washer Camshaft. .050" – 1936–1999 Big Twin

Low stock

Description Shims used to achieve correct cam end-play. Approx. dimensions: 1.062" OD; .820" ID. Fitment 36-99 Big Twin (Excl. 91-99 Evo Big Twin w...

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£9.41 - £9.41
£9.41
£9.41 - £9.41
£9.41
£83.04 - £83.04
£83.04
£83.04 - £83.04
£83.04

MCS Bushing/Bearing Kit, Cam & Gear Shaft 93-99 Evo B.t – 1993–1999 Evo 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
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38

MCS Plastic Breather Valve Spacers .135" – 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...

View full details
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38
£8.65 - £8.65
£8.65
£8.65 - £8.65
£8.65

MCS Dowel Pin Transmission – 1989–2005 Softail; Dyna; 1989–2006…

Low stock

Description 1 used. Transmission to primary housing. .3075" thick x 1.001" long. OEM replacement reference 337 Fitment 89-05 Softail; Dyna; 89-06 F...

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£8.65 - £8.65
£8.65
£8.65 - £8.65
£8.65
Sold out
£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38

MCS Breather Valve Shim, .120" – L1977–1999 Big Twin

Out of stock

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

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£17.38 - £17.38
£17.38
£17.38 - £17.38
£17.38
Sold out
Sold out
£59.50 - £59.50
£59.50
£59.50 - £59.50
£59.50

MCS Rocker Arm, Rear Intake/Front Exhaust – 1966–1984 Shovelhead

Out of stock

Description OEM style replacement rocker arm. Repl. 17375-66A. Fitment 66-84 Shovelhead (NU) Product Details Brand: MCS Category: MOTOR PARTS &g...

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£59.50 - £59.50
£59.50
£59.50 - £59.50
£59.50
Sold out
£14.04 - £14.04
£14.04
£14.04 - £14.04
£14.04

MCS Inner Pushrod Cover Tube Set. Zinc – 48-E79 Big Twin; 54-E79 XL Sportster

Low stock

Description Zinc plated steel. For use with cork style seals. OEM style reproduction. Inner (upper) pushrod cover tubes that fit behind the clip ty...

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£14.04 - £14.04
£14.04
£14.04 - £14.04
£14.04
£306.05 - £306.05
£306.05
£306.05 - £306.05
£306.05

MCS Connecting Rod Assembly 74-E81 B.t – 74-E81 Shovelhead

Low stock

Description Complete kit. Includes crankpin; crankpin nuts; rod rollers and retainers. Wrist pin bushings are installed. Repl. 24281-74A. Fitment 7...

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£306.05 - £306.05
£306.05
£306.05 - £306.05
£306.05
£219.69 - £219.69
£219.69
£219.69 - £219.69
£219.69

MCS Replacement Cylinder 80" Shovelhead, Front – 1979–1984 80" (1340cc) Shovel

Low stock

Description Black painted stock replacement cast iron cylinder. Stock 3-1/2" bore. Repl. 16494-78. Note: Cylinders must be finish bored and honed t...

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£219.69 - £219.69
£219.69
£219.69 - £219.69
£219.69
£5.16 - £5.16
£5.16
£5.16 - £5.16
£5.16

MCS Sprocket Shaft Bearing Spacer Shim .092" – 1969–2002 Big Twin; Twin Cam B

Low stock

Description Used to set correct pre-load onto sprocket shaft bearings. Approx. dimensions: 1.265" ID; 1.530" OD Fitment 69-02 Big Twin; Twin Cam B ...

View full details
£5.16 - £5.16
£5.16
£5.16 - £5.16
£5.16
£9.41 - £9.41
£9.41
£9.41 - £9.41
£9.41

MCS Thrust Washer Camshaft. .070" – 1936–1999 Big Twin

Low stock

Description Shims used to achieve correct cam end-play. Approx. dimensions: 1.062" OD; .820" ID. Fitment 36-99 Big Twin (Excl. 91-99 Evo Big Twin w...

View full details
£9.41 - £9.41
£9.41
£9.41 - £9.41
£9.41
Sold out
£12.59 - £12.59
£12.59
£12.59 - £12.59
£12.59

MCS Sprocket Shaft Spacer Shim. .090" – 1970–2002 Big Twin

Out of 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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£12.59 - £12.59
£12.59
£12.59 - £12.59
£12.59
Sold out
£10.02 - £10.02
£10.02
£10.02 - £10.02
£10.02

MCS Return Gear, Driven. Oil Pump – 1968–1999 Big Twin

Low stock

Description Return gear, driven. oil pump Fitment 68-99 Big Twin (Excl. TC) Product Details Brand: MCS Category: MOTOR PARTS > OIL PUMPS GEAR...

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£10.02 - £10.02
£10.02
£10.02 - £10.02
£10.02
£27.71 - £27.71
£27.71
£27.71 - £27.71
£27.71

MCS Plastic Breather Valve Spacer Set, .130" to .165" – L1977–1999 Big Twin

Low stock

Description Plastic spacer set; 8-pk. Incl. .130"; .135"; .140"; .145"; .150"; .155"; .160" and .165" sized spacers. Use with plastic breather valv...

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£27.71 - £27.71
£27.71
£27.71 - £27.71
£27.71

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