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Engine - Tappets, Pushrods, Rockers & Valves

Browse Tappets, Pushrods, Rockers & Valves within Engine. Use the filters to narrow your selection. Check the exact model-year fitment and dimensions on each product page.

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£47.59 - £47.59
£47.59
£47.59 - £47.59
£47.59

MCS Steel Breather Valve. Std for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam)

Available

Description OEM style replacement. FitmentL77-99 Big Twin (Excl. Twin Cam) (NU)Product Details Brand: MCS Category: MOTOR PARTS > BREATHER VA...

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£47.59 - £47.59
£47.59
£47.59 - £47.59
£47.59
£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. ...

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£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98
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£171.94
£171.94 - £171.94
£171.94
£156.47
£156.47 - £156.47
£156.47

S&S Cycle Adjustable Pushrods - Chromoly Steel - Diameter: 0,4375" - Set of 4 - for Harley-Davidson FLD 1690 2012-2013 / Harley-Davidson FLS 1690 2012-2017 & More Models - 93-5096

Available

DescriptionAdjustable Pushrods 0.4375" diameter chromoly steel for maximum strength Made in the USA Rocker boxes must be removed for installation o...

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£171.94
£171.94 - £171.94
£171.94
£156.47
£156.47 - £156.47
£156.47
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£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: ...

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£19.15 - £19.15
£19.15
£19.15 - £19.15
£19.15
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£276.86
£276.86 - £276.86
£276.86
£235.09
£235.09 - £235.09
£235.09

S&S Cycle Precision Hydraulic Tappet Set for Harley-Davidson 1999-2017 Twin Cam; 2017-2026 M8; 2000-2022 XL Sportster; 2008-2012 XR1200; 2000-2010 Buell XB - 330-0718

Available

Description Complete drop-in set for one engine. Each individual USA made S&S Precision lifter is hand assembled to exact tolerances. Designed ...

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£276.86
£276.86 - £276.86
£276.86
£235.09
£235.09 - £235.09
£235.09
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Colony Twin Cam Quick Install Lower Pushrod Tube Kit : Part #DS193758 - Hogparts UK
Save 9% Save %
£85.36
£85.36 - £85.36
£85.36
£77.69
£77.69 - £77.69
£77.69

Colony Quick Install Lower Pushrod Tube Kit - Chrome - 4 Pack - for Harley-Davidson FLD 1690 2012-2013 / Harley-Davidson FLS 1690 2012-2017 & More Models - DS193758

Available

DescriptionQuick Install Lower Pushrod Tube Kit This kit is a must when installing adjustable pushrods in a Twin Cam motor Includes four short lowe...

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£85.36
£85.36 - £85.36
£85.36
£77.69
£77.69 - £77.69
£77.69
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£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...

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£10.40 - £10.40
£10.40
£10.40 - £10.40
£10.40
S&S Cycle "Time Saver" Chromoly Adjustable Pushrods Pushrod Kit Chromoly Steel 4 Pack
Save 9% Save %
£211.25
£211.25 - £211.25
£211.25
£192.25
£192.25 - £192.25
£192.25

S&S Cycle "Time Saver" Chromoly Adjustable Pushrods - 9,500" - 11,500", Chromoly Steel, 4 Pack for Harley-Davidson Touring, Softail, Dyna & FXR 1983-1999

Available

Description"Time Saver" Chromoly Adjustable Pushrods Pushrods adjust from 9.500" to 11.500" 9 mm diameter provides superior strength and durability...

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£211.25
£211.25 - £211.25
£211.25
£192.25
£192.25 - £192.25
£192.25
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S&S Cycle Quickee Pushrods Pushrod Set Adjustable Chromoly Steel Set of 4
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£221.08
£221.08 - £221.08
£221.08
£201.18
£201.18 - £201.18
£201.18

S&S Cycle Quickee Pushrods - 0,4375", Chromoly Steel, Adjustable for Harley-Davidson Touring, Softail, Dyna & FXR 1983-1999

Available

DescriptionQuickee Pushrods Features revolutionary design - allows quicker, easier installation without the removal of the rocker covers Threaded a...

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£221.08
£221.08 - £221.08
£221.08
£201.18
£201.18 - £201.18
£201.18
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£25.70
£25.70 - £25.70
£25.70
£22.69
£22.69 - £22.69
£22.69

DK Custom Rocker Locker Kit. Twin Cam for Harley-Davidson 1999-2017 Softail, Dyna; 1999-2016 FLT/Touring - DK-RL-TC

Available

Description Twin Cam engines make a lot of noise inside the rocker cover. This is due to the way H-D designed the rocker arm installation. The bolt...

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£25.70
£25.70 - £25.70
£25.70
£22.69
£22.69 - £22.69
£22.69
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£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...

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£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 ...

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£30.78 - £30.78
£30.78
£31.18
£31.18 - £31.18
£31.18
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£5.49
£5.49 - £5.49
£5.49
£4.62
£4.62 - £4.62
£4.62

Gardner-Westcott GW, Tappet Block Mount Kit. Allenhead, Stainless for Harley-Davidson Late 1976-1984 Shovelhead; 1984-1999 Evo Big Twin - S-74-26

Available

Description 1/4"-20 threaded. Replacement reference 3770 Fitment L76-84 Shovelhead 84-99 Evo Big Twin (NU) Product Details Brand: Gardner-Westcot...

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£5.49
£5.49 - £5.49
£5.49
£4.62
£4.62 - £4.62
£4.62
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£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...

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£5.64
£5.64 - £5.64
£5.64
£5.39
£5.39 - £5.39
£5.39
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Save 25% Save %
£173.03
£173.03 - £173.03
£173.03
£129.91
£129.91 - £129.91
£129.91

S&S Cycle Adj. Chromoly Pushrod Set. Evo B.T. Std Length for Harley-Davidson 1984-1999 Evo Big Twin with Standard Length Cylinders; S&S 80", 89", 96" V-Series Engines - 93-5076

Available

Description Used with engines that have standard 5.550" length cylinders. Pushrods are adjustable and can be used as hydraulic or run as solids. Pu...

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£173.03
£173.03 - £173.03
£173.03
£129.91
£129.91 - £129.91
£129.91
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Sold out
£1,197.71
£1,197.71 - £1,197.71
£1,197.71
£734.57
£734.57 - £734.57
£734.57

S&S Cycle Hydraulic Lifter Update Kit for Shovel. Evo oiling for Harley-Davidson 1966-1984 Shovelhead. Equipped with 512493 S&S Roller Rocker Arms and A 1984-1999 Style Evo Big Twin Cam - 33-5451

Currently Unavailable

Description This kit is basically the same set-up that S&S uses in their SH-series ''Shovelhead'' engines. It enables you to upgrade your Shove...

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£1,197.71
£1,197.71 - £1,197.71
£1,197.71
£734.57
£734.57 - £734.57
£734.57
Sold out
Save 15% Save %
£369.63
£369.63 - £369.63
£369.63
£313.23
£313.23 - £313.23
£313.23

S&S Cycle Evo High Performance Tappet Assembly Set for Harley-Davidson 1984-1999 Evo Big Twin; 1986-1990 XL Sportster; All S&S T-Series (Evo Type) Engines - 33-5352

Available

Description With special rollers and hydraulics. S&S tested up to 7800 RPM; without pump-up. Inner bearing race has an increased outside diamet...

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£369.63
£369.63 - £369.63
£369.63
£313.23
£313.23 - £313.23
£313.23
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£31.25
£31.25 - £31.25
£31.25
£28.88
£28.88 - £28.88
£28.88

MCS Upper Pushrod Cover Kit. 66-99 B.T. for Harley-Davidson 1940-1947 Knucklehead; 1966-1984 Shovelhead; 1984-1999 Evo Big Twin

Available

Description Chrome plated. OEM style reproduction; clip type; upper pushrod retainers. Includes springs; spring cups and steel washers. Fitment 40-...

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£31.25
£31.25 - £31.25
£31.25
£28.88
£28.88 - £28.88
£28.88
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£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...

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£9.25
£9.25 - £9.25
£9.25
£8.28
£8.28 - £8.28
£8.28
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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...

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£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 ...

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£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 ...

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£36.61 - £36.61
£36.61
£36.61 - £36.61
£36.61
£5.39 - £5.39
£5.39
£5.39 - £5.39
£5.39

MCS Rocker Arm Shim Set Shovel .010" for 1966-1984 Shovelhead

Available

Description Rocker arm shim set Shovel .010" Fitment66-84 Shovelhead (NU)Product Details Brand: MCS Category: MOTOR PARTS > ROCKER SHAFT SHIM...

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£5.39 - £5.39
£5.39
£5.39 - £5.39
£5.39
£55.48 - £55.48
£55.48
£55.48 - £55.48
£55.48

MCS 99-Up Tappet Assembly. Standard Size - 1999-2017 Twin Cam; 2017-2026 M8…

Available

Description Complete with roller. OEM style replacement lifter. OEM replacement reference 18538-99C Fitment 99-17 (NU) Twin Cam 17-26 M8 00-22 (NU)...

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

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