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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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Drag Specialties Replacement Piston Kit Sold out
£91.08 - £91.08
£91.08
£91.08 - £91.08
£91.08

Drag Specialties Replacement Piston Kit #21988-07+.005

Out of stock

DescriptionReplacement PistonOEM quality cast aluminium alloy constructionSome fitments feature pistons with a coating that extends piston life, re...

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£91.08 - £91.08
£91.08
£91.08 - £91.08
£91.08
Sold out
Drag Specialties Replacement Piston Kit
£79.87 - £79.87
£79.87
£79.87 - £79.87
£79.87

Drag Specialties Replacement Piston Kit #21988-07

in stock

DescriptionReplacement PistonOEM quality cast aluminium alloy constructionSome fitments feature pistons with a coating that extends piston life, re...

View full details
£79.87 - £79.87
£79.87
£79.87 - £79.87
£79.87
S&S Cycle Motor Sprocket Shaft Spacer Natural Counterbalance Shaft
£37.42 - £37.42
£37.42
£37.42 - £37.42
£37.42

S&S Cycle Motor Sprocket Shaft Spacer Natural Counterbalance Shaft #31-4011

Only 4 left!

DescriptionMotor Sprocket Shaft SpacerSprocket spacer for S&S Super Stock® and Special Application CrankcasesFor '65-'99 S&S Big Twin, ...

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£37.42 - £37.42
£37.42
£37.42 - £37.42
£37.42
S&S Cycle Pinion Gear for Two-Gear Driven Cams Gear Kit Outer
£245.65 - £245.65
£245.65
£245.65 - £245.65
£245.65

S&S Cycle Pinion Gear for Two-Gear Driven Cams Gear Kit Outer #330-0621

in stock

DescriptionPinion Gear for Two-Gear Driven CamsA two-gear set is required for gear-driven cams that do not come with secondary cam gears; be sure t...

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£245.65 - £245.65
£245.65
£245.65 - £245.65
£245.65
S&S Cycle Long-Block Installation Kit Install Kit Long Block
£721.92 - £721.92
£721.92
£721.92 - £721.92
£721.92

S&S Cycle Long-Block Installation Kit Install Kit Long Block #310-0870

Only 4 left!

DescriptionLong-Block Installation KitHigh Compression, 10.8:1 for the ultimate in street performanceNo fuel system or ignition systems includedSpe...

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£721.92 - £721.92
£721.92
£721.92 - £721.92
£721.92
S&S Cycle Parallel Key Steel
£8.50 - £8.50
£8.50
£8.50 - £8.50
£8.50

S&S Cycle Parallel Key Steel #106-1348

in stock

DescriptionParallel KeySteel individual key .188” x .150” x .420”Made in the U.S.A.Specifications Colour/Finish: Steel Units: Each Material: Ste...

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£8.50 - £8.50
£8.50
£8.50 - £8.50
£8.50
Kuryakyn Inner Primary Front Cover Extension
£53.83 - £53.83
£53.83
£53.83 - £53.83
£53.83

Kuryakyn Inner Primary Front Cover Extension #KUR8370

in stock

DescriptionInner Primary Front Cover ExtensionPuts the finishing touch on your primaryCovers the shift pivot area and grease fittingEasily installe...

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£53.83 - £53.83
£53.83
£53.83 - £53.83
£53.83
James Gasket Primary Gasket Primary Cover Foamet®
£36.99 - £36.99
£36.99
£36.99 - £36.99
£36.99

James Gasket Primary Gasket Primary Cover Foamet® #JGI-34955-04-F

in stock

DescriptionPrimary GasketTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features silicone beadingMade in th...

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£36.99 - £36.99
£36.99
£36.99 - £36.99
£36.99
James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel
£27.65 - £27.65
£27.65
£27.65 - £27.65
£27.65

James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel #JGI-25416-70-K

in stock

DescriptionDerby/Inspection Cover Seal KitHigh-quality Genuine James Gaskets seals and O-ringsCover seals are a seal, not a gasketCover seals are m...

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£27.65 - £27.65
£27.65
£27.65 - £27.65
£27.65
James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel
£27.65 - £27.65
£27.65
£27.65 - £27.65
£27.65

James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel #JGI-25416-85-K

in stock

DescriptionDerby/Inspection Cover Seal KitHigh-quality Genuine James Gaskets seals and O-ringsCover seals are a seal, not a gasketCover seals are m...

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£27.65 - £27.65
£27.65
£27.65 - £27.65
£27.65
James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel
£20.82 - £20.82
£20.82
£20.82 - £20.82
£20.82

James Gasket Derby/Inspection Cover Seal Kit Gasket Kit Derby Cover Moulded Rubber Steel #JGI-25416-70-DL

in stock

DescriptionDerby/Inspection Cover Seal KitHigh-quality Genuine James Gaskets seals and O-ringsCover seals are a seal, not a gasketCover seals are m...

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£20.82 - £20.82
£20.82
£20.82 - £20.82
£20.82
James Gasket Derby Cover Gasket Rubber Silicone
£8.51 - £8.51
£8.51
£8.51 - £8.51
£8.51

James Gasket Derby Cover Gasket Rubber Silicone #JGI-17369-06

in stock

DescriptionDerby Cover GasketDerby cover gasket for Big Twin modelsSpecifications Material: Rubber| Silicone Units: Each Riding Style: Street P...

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£8.51 - £8.51
£8.51
£8.51 - £8.51
£8.51
S&S Cycle Gasket Exhaust
£9.75 - £9.75
£9.75
£9.75 - £9.75
£9.75

S&S Cycle Gasket Exhaust #93-1004-S

in stock

DescriptionGasket ExhaustExhaust pipe gasketSpecifications Units: Each Product Name: Gasket Type: Exhaust Part NumbersItem Number: 09346667Vendo...

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£9.75 - £9.75
£9.75
£9.75 - £9.75
£9.75
James Gasket Exhaust Gaskets Exhaust Port Pair
£13.10 - £13.10
£13.10
£13.10 - £13.10
£13.10

James Gasket Exhaust Gaskets Exhaust Port Pair #JGI-65324-83-2

in stock

DescriptionExhaust GasketsHigh-quality exhaust port gasketsMade in the USA by James GasketsAvailable in dealer packs of five (sold each), dealer pa...

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£13.10 - £13.10
£13.10
£13.10 - £13.10
£13.10
S&S Cycle Gasket Base Gasket Kit Cylinder Base Pair
Sold out
£55.12 - £55.12
£55.12
£55.12 - £55.12
£55.12

S&S Cycle Gasket Base Gasket Kit Cylinder Base Pair #930-0139

Out of stock

DescriptionGasket BaseHighest-quality fibre-reinforced Aramid Premium material for strength and temperature resistanceSpecial additives also improv...

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£55.12 - £55.12
£55.12
£55.12 - £55.12
£55.12
Sold out
S&S Cycle Gasket Head Pair
£90.71 - £90.71
£90.71
£90.71 - £90.71
£90.71

S&S Cycle Gasket Head Pair #930-0140

in stock

DescriptionGasket HeadHead gasketSpecifications Features: Stock Bolt Pattern Units: Pair Product Name: Gasket Bore Size: 4,250" Part NumbersIte...

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£90.71 - £90.71
£90.71
£90.71 - £90.71
£90.71
James Gasket Primary Gasket, Seal, and O-Ring Kit Gasket Kit
£60.77 - £60.77
£60.77
£60.77 - £60.77
£60.77

James Gasket Primary Gasket, Seal, and O-Ring Kit Gasket Kit #JGI-25700378-K

in stock

DescriptionPrimary Gasket, Seal, and O-Ring KitTop quality gaskets, seals and O-rings meet or exceed OEM specificationsPrimary gasket features sili...

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£60.77 - £60.77
£60.77
£60.77 - £60.77
£60.77
James Gasket Rocker Box Gasket Kit
£65.95 - £65.95
£65.95
£65.95 - £65.95
£65.95

James Gasket Rocker Box Gasket Kit #JGI-17030-17

in stock

DescriptionRocker Box Gasket KitMade in the U.S.A.Specifications Product Name: Gasket Kit Type: Rocker Box Units: Kit Riding Style: Street Part...

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£65.95 - £65.95
£65.95
£65.95 - £65.95
£65.95
James Gasket Cam Change Gasket Kit Paper
£45.43 - £45.43
£45.43
£45.43 - £45.43
£45.43

James Gasket Cam Change Gasket Kit Paper #JGI-25700370-K

in stock

DescriptionCam Change Gasket KitKit includes all necessary gaskets, seals, O-rings and cork washers for doing a cam changeSpecifications Material:...

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£45.43 - £45.43
£45.43
£45.43 - £45.43
£45.43
James Gasket Replacement Engine Gasket Gasket Kit Motor
£125.42 - £125.42
£125.42
£125.42 - £125.42
£125.42

James Gasket Replacement Engine Gasket Gasket Kit Motor #JGI-25700730

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Units: Each Riding Style: Street Product Name: Gasket Kit Type: Mot...

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£125.42 - £125.42
£125.42
£125.42 - £125.42
£125.42
James Gasket Replacement Engine Gasket Gasket Kit Top End
£100.81 - £100.81
£100.81
£100.81 - £100.81
£100.81

James Gasket Replacement Engine Gasket Gasket Kit Top End #JGI-25700729

in stock

DescriptionReplacement Engine GasketReplacement Engine GasketSpecifications Riding Style: Street Product Name: Gasket Kit Type: Top End Units: ...

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£100.81 - £100.81
£100.81
£100.81 - £100.81
£100.81
S&S Cycle Cam Chain Tensioner Tensioner Shoe White - 6061 Aluminium
£34.61 - £34.61
£34.61
£34.61 - £34.61
£34.61

S&S Cycle Cam Chain Tensioner Tensioner Shoe White - 6061 Aluminium #330-0521

in stock

DescriptionCam Chain TensionerFor use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam plate like the S&S...

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£34.61 - £34.61
£34.61
£34.61 - £34.61
£34.61
S&S Cycle Cam Chain Tensioner Aluminium Inner Outer 6061 Aluminium Kit
£148.67 - £148.67
£148.67
£148.67 - £148.67
£148.67

S&S Cycle Cam Chain Tensioner Aluminium Inner Outer 6061 Aluminium Kit #330-0518

in stock

DescriptionCam Chain TensionerFor use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam plate like the S&S...

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£148.67 - £148.67
£148.67
£148.67 - £148.67
£148.67
S&S Cycle Gear for Gear-Driven Cams Gear Kit
£336.93 - £336.93
£336.93
£336.93 - £336.93
£336.93

S&S Cycle Gear for Gear-Driven Cams Gear Kit #33-4276

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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£336.93 - £336.93
£336.93
£336.93 - £336.93
£336.93

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