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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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S&S Cycle Valve Guide Cast Iron
£128.35 - £128.35
£128.35
£128.35 - £128.35
£128.35

S&S Cycle Valve Guide Cast Iron #90-2212

Only 2 left!

DescriptionValve GuideCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures aprox. 0.309...

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£128.35 - £128.35
£128.35
£128.35 - £128.35
£128.35
S&S Cycle Valve Guide Cast Iron
£61.33 - £61.33
£61.33
£61.33 - £61.33
£61.33

S&S Cycle Valve Guide Cast Iron #90-2210

in stock

DescriptionValve GuideCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures aprox. 0.309...

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£61.33 - £61.33
£61.33
£61.33 - £61.33
£61.33
S&S Cycle 0.585" Street Performance Valve Spring Kit Steel
£166.52 - £166.52
£166.52
£166.52 - £166.52
£166.52

S&S Cycle 0.585" Street Performance Valve Spring Kit Steel #900-0594

in stock

Description0.585" Street Performance Valve Spring KitUnique S&S design dual-spring kit reduces the risk of valve floatSuitable for high perform...

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£166.52 - £166.52
£166.52
£166.52 - £166.52
£166.52
S&S Cycle Replacement Valves
£94.63 - £94.63
£94.63
£94.63 - £94.63
£94.63

S&S Cycle Replacement Valves #90-2022

in stock

DescriptionReplacement ValvesMade in the USAReplacement for '66-'84 valves0.030" smaller than stock.Smaller exhaust valve head allows high TDC lift...

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£94.63 - £94.63
£94.63
£94.63 - £94.63
£94.63
S&S Cycle 500 Camshafts Raw Set
£520.80 - £520.80
£520.80
£520.80 - £520.80
£520.80

S&S Cycle 500 Camshafts Raw Set #33-5082

in stock

Description500 CamshaftsTested on the dyno, street and track before being offered to the publicBolt in cams that provide excellent torque with stoc...

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£520.80 - £520.80
£520.80
£520.80 - £520.80
£520.80
S&S Cycle Gear for Gear-Driven Cams Double Undersize
£129.11 - £129.11
£129.11
£129.11 - £129.11
£129.11

S&S Cycle Gear for Gear-Driven Cams Double Undersize #33-4160XX

Only 3 left!

DescriptionGear for Gear-Driven CamsA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two second...

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£129.11 - £129.11
£129.11
£129.11 - £129.11
£129.11
S&S Cycle HP103 Camshaft Kit Chain
£411.46 - £411.46
£411.46
£411.46 - £411.46
£411.46

S&S Cycle HP103 Camshaft Kit Chain #330-0442

Only 2 left!

DescriptionHP103 Camshaft KitDesigned as bolt in cams for engines with 103" and stock 9.7:1 compression ratio up to 10.5:1Works with stock, un-port...

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£411.46 - £411.46
£411.46
£411.46 - £411.46
£411.46
S&S Cycle H-Grind Camshaft Gear
£218.05 - £218.05
£218.05
£218.05 - £218.05
£218.05

S&S Cycle H-Grind Camshaft Gear #330-0166

in stock

DescriptionH-Grind CamshaftOEM specification replacement hydraulic camshaft with unique front and rear timing specificationsH-grind is a dead-on re...

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£218.05 - £218.05
£218.05
£218.05 - £218.05
£218.05
S&S Cycle H-Grind Camshaft Gear
£251.38 - £251.38
£251.38
£251.38 - £251.38
£251.38

S&S Cycle H-Grind Camshaft Gear #330-0170

Only 3 left!

DescriptionH-Grind CamshaftOEM specification replacement hydraulic camshaft with unique front and rear timing specificationsH-grind is a dead-on re...

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£251.38 - £251.38
£251.38
£251.38 - £251.38
£251.38
S&S Cycle H-Grind Camshaft Gear
Sold out
£251.38 - £251.38
£251.38
£251.38 - £251.38
£251.38

S&S Cycle H-Grind Camshaft Gear #330-0164

Out of stock

DescriptionH-Grind CamshaftOEM specification replacement hydraulic camshaft with unique front and rear timing specificationsH-grind is a dead-on re...

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£251.38 - £251.38
£251.38
£251.38 - £251.38
£251.38
Sold out
S&S Cycle Cam Installation Kit Gear Drive
£61.90 - £61.90
£61.90
£61.90 - £61.90
£61.90

S&S Cycle Cam Installation Kit Gear Drive #106-6068

in stock

DescriptionCam Installation KitKit includes all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motorMade ...

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£61.90 - £61.90
£61.90
£61.90 - £61.90
£61.90
S&S Cycle Cam Installation Kit Chain Drive
£46.00 - £46.00
£46.00
£46.00 - £46.00
£46.00

S&S Cycle Cam Installation Kit Chain Drive #106-5929

in stock

DescriptionCam Installation KitKit includes all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motorMade ...

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£46.00 - £46.00
£46.00
£46.00 - £46.00
£46.00
S&S Cycle Cam Installation Kit Gear Drive
£70.26 - £70.26
£70.26
£70.26 - £70.26
£70.26

S&S Cycle Cam Installation Kit Gear Drive #106-5896

in stock

DescriptionCam Installation KitKit includes all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motorMade ...

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£70.26 - £70.26
£70.26
£70.26 - £70.26
£70.26
S&S Cycle 450S Cam
£251.38 - £251.38
£251.38
£251.38 - £251.38
£251.38

S&S Cycle 450S Cam #33-5064

in stock

Description450S CamS&S cams are tested on the dyno, street and racetrack before being offered to the publicWith hundreds of test hours on them,...

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£251.38 - £251.38
£251.38
£251.38 - £251.38
£251.38
S&S Cycle Gear for Gear-Driven Cams Gear Kit
£536.47 - £536.47
£536.47
£536.47 - £536.47
£536.47

S&S Cycle Gear for Gear-Driven Cams Gear Kit #33-4285

in stock

DescriptionGear for Gear-Driven CamsA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two second...

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£536.47 - £536.47
£536.47
£536.47 - £536.47
£536.47
S&S Cycle Gear for Gear-Driven Cams Oversize
£129.11 - £129.11
£129.11
£129.11 - £129.11
£129.11

S&S Cycle Gear for Gear-Driven Cams Oversize #33-4160Z

in stock

DescriptionGear for Gear-Driven CamsA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two second...

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£129.11 - £129.11
£129.11
£129.11 - £129.11
£129.11
S&S Cycle Engine Bearings White
£44.59 - £44.59
£44.59
£44.59 - £44.59
£44.59

S&S Cycle Engine Bearings White #31-4057

in stock

DescriptionEngine BearingsMade in the U.S.A.Replacement right side crankcase main bearing assembliesSpecifications Units: Each Application: Pinio...

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£44.59 - £44.59
£44.59
£44.59 - £44.59
£44.59
S&S Cycle Engine Bearings Green
£38.92 - £38.92
£38.92
£38.92 - £38.92
£38.92

S&S Cycle Engine Bearings Green #31-4058

in stock

DescriptionEngine BearingsMade in the U.S.A.Replacement right side crankcase main bearing assembliesSpecifications Size: Green Product Name: Bear...

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£38.92 - £38.92
£38.92
£38.92 - £38.92
£38.92
S&S Cycle Engine Bearings Red
£56.97 - £56.97
£56.97
£56.97 - £56.97
£56.97

S&S Cycle Engine Bearings Red #31-4017

in stock

DescriptionEngine BearingsMade in the U.S.A.Replacement right side crankcase main bearing assembliesSpecifications Product Name: Bearing Applicat...

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£56.97 - £56.97
£56.97
£56.97 - £56.97
£56.97
S&S Cycle Engine Bearings Blue
£48.43 - £48.43
£48.43
£48.43 - £48.43
£48.43

S&S Cycle Engine Bearings Blue #31-4018

in stock

DescriptionEngine BearingsMade in the U.S.A.Replacement right side crankcase main bearing assembliesSpecifications Riding Style: Street Size: Blu...

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£48.43 - £48.43
£48.43
£48.43 - £48.43
£48.43
S&S Cycle Replacement Inner Cam Bearing Needle
£20.86 - £20.86
£20.86
£20.86 - £20.86
£20.86

S&S Cycle Replacement Inner Cam Bearing Needle #31-4199-S

in stock

DescriptionReplacement Inner Cam BearingSuperior quality OE replacement bearingsMade in the U.S.A.Specifications Type: Needle Units: Each Riding...

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£20.86 - £20.86
£20.86
£20.86 - £20.86
£20.86
S&S Cycle Replacement Inner Cam Bearing Needle
£16.10 - £16.10
£16.10
£16.10 - £16.10
£16.10

S&S Cycle Replacement Inner Cam Bearing Needle #31-4080

in stock

DescriptionReplacement Inner Cam BearingSuperior quality OE replacement bearingsMade in the U.S.A.Specifications Units: Each Riding Style: Street...

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£16.10 - £16.10
£16.10
£16.10 - £16.10
£16.10
S&S Cycle Replacement Inner Cam Bearing Needle
£17.05 - £17.05
£17.05
£17.05 - £17.05
£17.05

S&S Cycle Replacement Inner Cam Bearing Needle #31-4009

in stock

DescriptionReplacement Inner Cam BearingSuperior quality OE replacement bearingsMade in the U.S.A.Specifications Units: Each Application: Cam Ri...

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£17.05 - £17.05
£17.05
£17.05 - £17.05
£17.05
S&S Cycle Right Main Crankcase Bearing Race Standard
Sold out
£96.25 - £96.25
£96.25
£96.25 - £96.25
£96.25

S&S Cycle Right Main Crankcase Bearing Race Standard #31-4004

Out of stock

DescriptionRight Main Crankcase Bearing RaceMade in the USASpecifications Riding Style: Street Application: Crankcase Product Name: Race Size: ...

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£96.25 - £96.25
£96.25
£96.25 - £96.25
£96.25
Sold out

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