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

FXR – Engine

The FXR – Engine collection covers replacement, service and upgrade choices for Harley-Davidson, American V-twin and compatible motorcycle applications. Current products cover engine components, depending on the specification and application. Each product page provides the application and specification details needed to choose the right option.

Filters

£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...

View full details
£83.04 - £83.04
£83.04
£83.04 - £83.04
£83.04
£44.03 - £44.03
£44.03
£53.80
£53.80 - £53.80
£53.80

Jims Rocker Arm Shaft 84-Up – 1984–1999 Evo Big Twin; 1999–2017 Twin…

Low stock

Description OEM style replacement. Manufactured from precision machined hardened tool steel. Dimensions: .554" standard O.D. Repl. 17611-83. Fitmen...

View full details
£44.03 - £44.03
£44.03
£53.80
£53.80 - £53.80
£53.80
£15.83 - £15.83
£15.83
£15.83 - £15.83
£15.83

MCS Inner Pushrod Cover Tube Set – L1979–1984 Shovelhead; 1984–1999 Evo Big…

Low stock

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

View full details
£15.83 - £15.83
£15.83
£15.83 - £15.83
£15.83
Save 4% Save %
£13.17
£13.17 - £13.17
£13.17
£12.59
£12.59 - £12.59
£12.59

MCS Rocker Arm Shaft. Import – 1984–1999 Evo Big Twin; 1999–2017 Twin…

Low stock

Description OEM style replacement. Repl. 17611-83. Fitment 84-99 Evo Big Twin; 99-17 Twin Cam; 86-22 XL Sportster; 08-12 XR1200; 91-10 Buell XB (NU...

View full details
£13.17
£13.17 - £13.17
£13.17
£12.59
£12.59 - £12.59
£12.59
Save 4% Save %
£113.01 - £113.01
£113.01
£116.95
£116.95 - £116.95
£116.95

Jims Rocker Arm Shaft for Shovel – 1966–1984 Shovelhead

Low stock

Description OEM style replacement. Manufactured from precision machined tool steel. Dimensions: Standard O.D. on big end is .937"; smaller end is ....

View full details
£113.01 - £113.01
£113.01
£116.95
£116.95 - £116.95
£116.95
Save 3% Save %
£66.67
£66.67 - £66.67
£66.67
£64.63
£64.63 - £64.63
£64.63

Andrews High Performance Spring Set .560" Lift – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Low stock

Description Red painted. High performance .560" lift spring set for higher spring pressure. Developed to be used with 503723 steel top collars. No ...

View full details
£66.67
£66.67 - £66.67
£66.67
£64.63
£64.63 - £64.63
£64.63
Save 3% Save %
Save 9% Save %
£15.15
£15.15 - £15.15
£15.15
£13.72
£13.72 - £13.72
£13.72

MCS Oil Pump Cover, Chrome – 1968–1991 Big Twin with OEM Chain Oiler

Low stock

Description Compatible with the OEM rear chain oiler system. Chrome plated stamped steel oil pump cover for a cleaner; smoother look in the oil pum...

View full details
£15.15
£15.15 - £15.15
£15.15
£13.72
£13.72 - £13.72
£13.72
Save 9% Save %
Save 9% Save %
£16.11
£16.11 - £16.11
£16.11
£14.60
£14.60 - £14.60
£14.60

MCS Oil Pump Cover, Chrome – 1968–1991 Big Twin without Chain Oiler

Low stock

Description Not compatible with OEM rear chain oilers. Chrome plated stamped steel oil pump cover for a cleaner; smoother look in the oil pump area...

View full details
£16.11
£16.11 - £16.11
£16.11
£14.60
£14.60 - £14.60
£14.60
Save 9% Save %
£23.24 - £23.24
£23.24
£23.24 - £23.24
£23.24

MCS Oil Pump Cover, Chrome – 1992–1999 Evo Big Twin with OEM Bottom…

Low stock

Description Chrome plated stamped steel oil pump cover for a cleaner; smoother look in the oil pump area. Fitment 92-99 Evo Big Twin with OEM botto...

View full details
£23.24 - £23.24
£23.24
£23.24 - £23.24
£23.24
£36.78 - £36.78
£36.78
£36.78 - £36.78
£36.78

MCS Replacement Evo B.t. Cast Piston. Std – 1984–1999 1340cc Evo Big Twin

Low stock

Description Standard 8.5:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substan...

View full details
£36.78 - £36.78
£36.78
£36.78 - £36.78
£36.78
£271.47 - £271.47
£271.47
£305.94
£305.94 - £305.94
£305.94

MCS Connecting Rod Assembly 84-99 B.t – 1984–1999 Evo Big Twin

Low stock

Description Complete kit. Includes crankpin; crankpin nuts; rod rollers and retainers. Wrist pin bushings are installed. Repl. 24281-83. Fitment 84...

View full details
£271.47 - £271.47
£271.47
£305.94
£305.94 - £305.94
£305.94
£6.68 - £6.68
£6.68
£6.68 - £6.68
£6.68

MCS Sprocket Shaft Nut – 1972–1986 Big Twin

Low stock

Description 1-1/8-16 threaded. OEM replacement reference 24017-72; 24017-80. Fitment 72-86 Big Twin (NU) Product Details Brand: MCS Category: MO...

View full details
£6.68 - £6.68
£6.68
£6.68 - £6.68
£6.68
£42.18 - £42.18
£42.18
£42.18 - £42.18
£42.18

Colony Rocker Shaft Plug & Nut Kit. Buttonhead. Chrome – L1971–1984 Shovelhead; L1971–1985 XL…

In stock

Description Chrome. Buttonhead. OEM styling except the nuts which are Cap style; simular to stock but it is an all steel construction; and do not h...

View full details
£42.18 - £42.18
£42.18
£42.18 - £42.18
£42.18
£219.38 - £219.38
£219.38
£219.38 - £219.38
£219.38

MCS ''+.200" 3-5/8" Big Bore Shovel Cylinder Front, Black – 1966–1984 Shovel

Low stock

Description +.200" longer (5.530") than stock. Stock length is 5.330". Crankcases must be bored to accept the larger diameter cylinder. A longer th...

View full details
£219.38 - £219.38
£219.38
£219.38 - £219.38
£219.38
£7.87 - £7.87
£7.87
£7.87 - £7.87
£7.87

Colony Head Bolt Washer Set – 1936–1984 Ohv Big Twin

Low stock

Description Parkerized; for 7/16 bolts Fitment 36-84 OHV Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > CYLINDERS/HEADS ...

View full details
£7.87 - £7.87
£7.87
£7.87 - £7.87
£7.87
£201.15 - £201.15
£201.15
£201.15 - £201.15
£201.15

MCS ''+.200" 3-5/8" Big Bore Shovel Cylinder Rear, Black – 1966–1984 Shovel

Low stock

Description +.200" longer (5.530") than stock. Stock length is 5.330". Crankcases must be bored to accept the larger diameter cylinder. A longer th...

View full details
£201.15 - £201.15
£201.15
£201.15 - £201.15
£201.15
£32.03 - £32.03
£32.03
£32.03 - £32.03
£32.03

Colony Cyl Head Bolt Kit – E84-L85 Big Twin

Low stock

Description Chrome; 12-point domed head; external thread Fitment E84-L85 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > ...

View full details
£32.03 - £32.03
£32.03
£32.03 - £32.03
£32.03
Save 4% Save %
£28.99
£28.99 - £28.99
£28.99
£27.71
£27.71 - £27.71
£27.71

MCS Bushing, Oil Pump Drive Shaft – 1936–1999 Big Twin

Low stock

Description OEM replacement reference 24641-36 Fitment 36-99 Big Twin (Excl. Twin Cam) (NU) Product Details Brand: MCS Category: MOTOR PARTS >...

View full details
£28.99
£28.99 - £28.99
£28.99
£27.71
£27.71 - £27.71
£27.71
Save 4% Save %
Save 4% Save %
£18.18
£18.18 - £18.18
£18.18
£17.38
£17.38 - £17.38
£17.38

MCS 84-E85 Hydraulic Tappet De-Activators – 84-E85 Evo Big Twin

Low stock

Description Fits stock early hydraulic tappets in 84-E85 Evo Big Twin models only. This is basically a solid lifter conversion kit; used to de-acti...

View full details
£18.18
£18.18 - £18.18
£18.18
£17.38
£17.38 - £17.38
£17.38
Save 4% Save %
£10.74 - £10.74
£10.74
£11.63
£11.63 - £11.63
£11.63

Colony Head Bolt Washer Set – 1936–1984 Ohv Big Twin

Low stock

Description Chrome; for 7/16 headbolts Fitment 36-84 OHV Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > CYLINDERS/HEADS ...

View full details
£10.74 - £10.74
£10.74
£11.63
£11.63 - £11.63
£11.63
£27.23 - £27.23
£27.23
£31.38
£31.38 - £31.38
£31.38

Colony Cyl Base Nut Kit – 1979–1984 1340cc Big Twin

Low stock

Description Hex flanged; chrome Fitment 79-84 1340CC Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > CYLINDERS/HEADS MOUN...

View full details
£27.23 - £27.23
£27.23
£31.38
£31.38 - £31.38
£31.38
Save 8% Save %
£9.98
£9.98 - £9.98
£9.98
£9.22
£9.22 - £9.22
£9.22

Colony Oil Screen Kit – 1970–1999 Big Twin

Low stock

Description Includes the 24981-70 tappet oil screen and the 24982-70 oil screen spring. Fitment 70-99 Big Twin (Excl. Twin Cam) (NU) Product Detail...

View full details
£9.98
£9.98 - £9.98
£9.98
£9.22
£9.22 - £9.22
£9.22
Save 8% Save %
Save 12% Save %
£201.71
£201.71 - £201.71
£201.71
£176.63
£176.63 - £176.63
£176.63

S&S Pushrod Cover Kit (Excl. Retainers) – 1984–2025 Big Twin; 1986–2022 XL…

Low stock

Description Gloss black. Fits STD to +1.00" cylinder length. Includes inner & outer pushrod cover; springs; spring covers and seals (excl. reta...

View full details
£201.71
£201.71 - £201.71
£201.71
£176.63
£176.63 - £176.63
£176.63
Save 12% Save %
Save 8% Save %
£47.21
£47.21 - £47.21
£47.21
£43.63
£43.63 - £43.63
£43.63

Gardner-Westcott Rocker Box Top Bolt Kit. Buttonhead, Chrome – 1984–1999 Big Twin; 1986–2022 XL…

Low stock

Description Chrome plated buttonhead bolts. Includes washers. Fitment 84-99 Big Twin (Excl. Twin Cam); 86-22 XL Sportster (NU) Product Details Br...

View full details
£47.21
£47.21 - £47.21
£47.21
£43.63
£43.63 - £43.63
£43.63
Save 8% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare