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Sportster – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Sportster models.

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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 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 High-Performance Camshaft Kit with Shims High Performance
£171.04 - £171.04
£171.04
£171.04 - £171.04
£171.04

S&S Cycle High-Performance Camshaft Kit with Shims High Performance #330-0709

in stock

DescriptionHigh-Performance Camshaft Kit with ShimsAdjustable cam timing so you can dial in the power curveBuilds power sooner and holds it for lon...

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£171.04 - £171.04
£171.04
£171.04 - £171.04
£171.04
S&S Cycle 557 Series Grind Cam Kit Camshaft Kit Chain
£358.31 - £358.31
£358.31
£358.31 - £358.31
£358.31

S&S Cycle 557 Series Grind Cam Kit Camshaft Kit Chain #330-0105

in stock

Description557 Series Grind Cam KitDesigned for Tri-Glides and other heavy bikes needing good bottom and mid-range performanceCamshaft's stock base...

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£358.31 - £358.31
£358.31
£358.31 - £358.31
£358.31
S&S Cycle TC3 Cam Support Plate Blue Chain Drive Aluminium
£374.37 - £374.37
£374.37
£374.37 - £374.37
£374.37

S&S Cycle TC3 Cam Support Plate Blue Chain Drive Aluminium #310-0625

in stock

DescriptionTC3 Cam Support PlatePrecision CNC-machined forged aluminiumAdjustable oil pressure regulator; adjust without removing plate from the en...

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£374.37 - £374.37
£374.37
£374.37 - £374.37
£374.37
S&S Cycle Flywheel Assembly 4140 Steel
£2,100.25 - £2,100.25
£2,100.25
£2,100.25 - £2,100.25
£2,100.25

S&S Cycle Flywheel Assembly 4140 Steel #320-0601

Only 5 left!

DescriptionFlywheel AssemblyPerfect for gear drive camshaftsConsistent balance and precision machiningBalance gear is installed for easy installati...

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£2,100.25 - £2,100.25
£2,100.25
£2,100.25 - £2,100.25
£2,100.25
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,888.75 - £1,888.75
£1,888.75
£1,888.75 - £1,888.75
£1,888.75

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0469

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,888.75 - £1,888.75
£1,888.75
£1,888.75 - £1,888.75
£1,888.75
S&S Cycle Crankpin Assembly Oversize (+0,002") Steel
£170.58 - £170.58
£170.58
£170.58 - £170.58
£170.58

S&S Cycle Crankpin Assembly Oversize (+0,002") Steel #34-2105

Only 3 left!

DescriptionCrankpin AssemblyFor use in stock and S&S flywheelsIncludes crankpin, nuts and keyMade in the USASpecifications Material: Steel Un...

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£170.58 - £170.58
£170.58
£170.58 - £170.58
£170.58
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0350

in stock

DescriptionReplacement Flywheel AssemblyFor 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)Fully assembled ...

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Flywheel Assembly 4140 Steel
£2,100.25 - £2,100.25
£2,100.25
£2,100.25 - £2,100.25
£2,100.25

S&S Cycle Flywheel Assembly 4140 Steel #320-0598

in stock

DescriptionFlywheel AssemblyPerfect for gear drive camshaftsConsistent balance and precision machiningBalance gear is installed for easy installati...

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£2,100.25 - £2,100.25
£2,100.25
£2,100.25 - £2,100.25
£2,100.25
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0360

in stock

DescriptionReplacement Flywheel AssemblyFor 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)Fully assembled ...

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Flywheel Assembly for S&S V-Series Motor Steel
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

S&S Cycle Flywheel Assembly for S&S V-Series Motor Steel #320-0477

Only 5 left!

DescriptionFlywheel Assembly for S&S V-Series MotorReplaces the original flywheels in S&S® 124" V124 engine for '84-'99 Big TwinPinion and ...

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£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0523

Only 5 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0358

Only 1 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80
S&S Cycle Flywheel Assembly Steel
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

S&S Cycle Flywheel Assembly Steel #32-2145

Only 5 left!

DescriptionFlywheel AssemblyMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° larg...

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£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34
S&S Cycle Flywheel Assembly Steel
£1,602.59 - £1,602.59
£1,602.59
£1,602.59 - £1,602.59
£1,602.59

S&S Cycle Flywheel Assembly Steel #32-2230

Only 4 left!

DescriptionFlywheel AssemblyMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° larg...

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£1,602.59 - £1,602.59
£1,602.59
£1,602.59 - £1,602.59
£1,602.59
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0475

Only 2 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,851.91 - £1,851.91
£1,851.91
£1,851.91 - £1,851.91
£1,851.91

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0351

in stock

DescriptionReplacement Flywheel AssemblyFor 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)Fully assembled ...

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£1,851.91 - £1,851.91
£1,851.91
£1,851.91 - £1,851.91
£1,851.91
S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly
£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51

S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly #320-0460

in stock

Description106" Stroker Flywheel KitFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" ...

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£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0403

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0464

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,645.65 - £1,645.65
£1,645.65
£1,645.65 - £1,645.65
£1,645.65

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0352

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,645.65 - £1,645.65
£1,645.65
£1,645.65 - £1,645.65
£1,645.65
S&S Cycle Flywheel Assembly Forged Steel
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

S&S Cycle Flywheel Assembly Forged Steel #32-2235

in stock

DescriptionFlywheel AssemblyFlywheels are CNC machined from heat-treated, closed die, steel forgings, and are stronger than cast iron or late style...

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£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

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