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Pre-Evo – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Pre-Evolution classic models.

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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 #320-0523

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 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 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...

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£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
S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly
Sold out
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly #320-0450

Out of stock

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

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
Sold out
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 #320-0359

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
£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80
S&S Cycle Crankpin Assembly Standard Steel
£225.37 - £225.37
£225.37
£225.37 - £225.37
£225.37

S&S Cycle Crankpin Assembly Standard Steel #34-2503

in stock

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

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£225.37 - £225.37
£225.37
£225.37 - £225.37
£225.37
S&S Cycle Pinion Shaft Assembly Silver Steel
£216.14 - £216.14
£216.14
£216.14 - £216.14
£216.14

S&S Cycle Pinion Shaft Assembly Silver Steel #33-2021

in stock

DescriptionPinion Shaft AssemblyIncludes shaft, nut and keysMade in the USAFor use with standard bearing diameter.Specifications Colour/Finish: Si...

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£216.14 - £216.14
£216.14
£216.14 - £216.14
£216.14
S&S Cycle Crankpin Assembly Standard Steel
£199.87 - £199.87
£199.87
£199.87 - £199.87
£199.87

S&S Cycle Crankpin Assembly Standard Steel #34-2602

in stock

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

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£199.87 - £199.87
£199.87
£199.87 - £199.87
£199.87
S&S Cycle Crankcase for Dyna Powder-Coated Wrinkle Black 356 T-6 Aluminium
£2,336.83 - £2,336.83
£2,336.83
£2,336.83 - £2,336.83
£2,336.83

S&S Cycle Crankcase for Dyna Powder-Coated Wrinkle Black 356 T-6 Aluminium #310-0856

in stock

DescriptionCrankcase for Dyna4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124, or T143Stock look...

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£2,336.83 - £2,336.83
£2,336.83
£2,336.83 - £2,336.83
£2,336.83
S&S Cycle Engine Case Super Stock® T2 Powder-Coated Wrinkle Black 356 T-6 Aluminium
Sold out
£2,304.71 - £2,304.71
£2,304.71
£2,304.71 - £2,304.71
£2,304.71

S&S Cycle Engine Case Super Stock® T2 Powder-Coated Wrinkle Black 356 T-6 Aluminium #310-0367A

Out of stock

DescriptionEngine CaseReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Features greater overall strength than stock c...

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£2,304.71 - £2,304.71
£2,304.71
£2,304.71 - £2,304.71
£2,304.71
Sold out
S&S Cycle Crankcase for Dyna Powder-Coated Wrinkle Black 356 T-6 Aluminium
£2,284.79 - £2,284.79
£2,284.79
£2,284.79 - £2,284.79
£2,284.79

S&S Cycle Crankcase for Dyna Powder-Coated Wrinkle Black 356 T-6 Aluminium #310-0878

Only 3 left!

DescriptionCrankcase for Dyna4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124, or T143Stock look...

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£2,284.79 - £2,284.79
£2,284.79
£2,284.79 - £2,284.79
£2,284.79
S&S Cycle Engine Case Super Stock® T2 Wrinkle Black 356 T-6 Aluminium
£2,262.74 - £2,262.74
£2,262.74
£2,262.74 - £2,262.74
£2,262.74

S&S Cycle Engine Case Super Stock® T2 Wrinkle Black 356 T-6 Aluminium #310-0369

in stock

DescriptionEngine CaseReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Features greater overall strength than stock c...

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£2,262.74 - £2,262.74
£2,262.74
£2,262.74 - £2,262.74
£2,262.74
S&S Cycle Big Bore Kit
£789.93 - £789.93
£789.93
£789.93 - £789.93
£789.93

S&S Cycle Big Bore Kit #920-0145

in stock

DescriptionBig Bore KitIncreases bore from stockIncrease compression ratio from 9.5:1 to 11.0:1Kit includes cylinder sleeves, pistons and head gask...

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£789.93 - £789.93
£789.93
£789.93 - £789.93
£789.93
S&S Cycle 1200cc Conversion Kit for XL883 Powder-Coated Silver Big Bore Aluminium Cast
£925.97 - £925.97
£925.97
£925.97 - £925.97
£925.97

S&S Cycle 1200cc Conversion Kit for XL883 Powder-Coated Silver Big Bore Aluminium Cast #910-0688

in stock

Description1200cc Conversion Kit for XL883Saves time because pistons already fit to the cylinders - ready to assemble out of the boxCylinders are c...

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£925.97 - £925.97
£925.97
£925.97 - £925.97
£925.97
S&S Cycle 1200cc Conversion Kit for XL883 Powder-Coated Wrinkle Black Big Bore Aluminium Cast
£925.97 - £925.97
£925.97
£925.97 - £925.97
£925.97

S&S Cycle 1200cc Conversion Kit for XL883 Powder-Coated Wrinkle Black Big Bore Aluminium Cast #910-0687

in stock

Description1200cc Conversion Kit for XL883Saves time because pistons already fit to the cylinders - ready to assemble out of the boxCylinders are c...

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£925.97 - £925.97
£925.97
£925.97 - £925.97
£925.97
S&S Cycle 91 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair
£1,868.61 - £1,868.61
£1,868.61
£1,868.61 - £1,868.61
£1,868.61

S&S Cycle 91 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair #900-0349

in stock

Description91 cc Super Stock® Cylinder HeadsDesigned specifically for S&S® T-Series T2 long block engines for Harley Davidson® big twins and en...

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£1,868.61 - £1,868.61
£1,868.61
£1,868.61 - £1,868.61
£1,868.61
S&S Cycle Flywheel Assembly 4140 Steel
Sold out
£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 #320-0603

Out of stock

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

View full details
£2,100.25 - £2,100.25
£2,100.25
£2,100.25 - £2,100.25
£2,100.25
Sold out
S&S Cycle Ring Set Piston 2 Pack
£148.41 - £148.41
£148.41
£148.41 - £148.41
£148.41

S&S Cycle Ring Set Piston 2 Pack #940-0060

in stock

DescriptionRing SetComplete set of piston ringsMade in the U.S.A.Specifications Product Name: Ring Set Riding Style: Street Type: Piston Units:...

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£148.41 - £148.41
£148.41
£148.41 - £148.41
£148.41
S&S Cycle Super Stock® Generator Engine Case Natural A356 T-6 Aluminium Alloy Kit
£2,284.79 - £2,284.79
£2,284.79
£2,284.79 - £2,284.79
£2,284.79

S&S Cycle Super Stock® Generator Engine Case Natural A356 T-6 Aluminium Alloy Kit #31-0008

Only 1 left!

DescriptionSuper Stock® Generator Engine CaseInclude crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain p...

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£2,284.79 - £2,284.79
£2,284.79
£2,284.79 - £2,284.79
£2,284.79
S&S Cycle Crankcase Screen Oil Oiling
£7.96 - £7.96
£7.96
£7.96 - £7.96
£7.96

S&S Cycle Crankcase Screen Oil Oiling #31-2010

in stock

DescriptionCrankcase Screen OilSold as a Pack (5)Specifications Type: Oiling Product Name: Crankcase Units: Each Part NumbersItem Number: 092002...

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£7.96 - £7.96
£7.96
£7.96 - £7.96
£7.96

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