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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 Piston Kit for S&S Motors Replacement
£149.33 - £149.33
£149.33
£149.33 - £149.33
£149.33

S&S Cycle Piston Kit for S&S Motors Replacement #920-0027

in stock

DescriptionPiston Kit for S&S MotorsPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacem...

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£149.33 - £149.33
£149.33
£149.33 - £149.33
£149.33
S&S Cycle Piston Kit for S&S Motors Replacement
£149.33 - £149.33
£149.33
£149.33 - £149.33
£149.33

S&S Cycle Piston Kit for S&S Motors Replacement #920-0026

Only 4 left!

DescriptionPiston Kit for S&S MotorsPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacem...

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£149.33 - £149.33
£149.33
£149.33 - £149.33
£149.33
S&S Cycle Piston Kit for S&S Motor Big Bore
£452.57 - £452.57
£452.57
£452.57 - £452.57
£452.57

S&S Cycle Piston Kit for S&S Motor Big Bore #920-0071

Only 2 left!

DescriptionPiston Kit for S&S MotorPiston kit includes forged pistons, rings, wrist pin and clips for a complete motorDeck height is 1.207"Made...

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£452.57 - £452.57
£452.57
£452.57 - £452.57
£452.57
S&S Cycle Piston Kit for S&S Motors Replacement Sold out
£452.57 - £452.57
£452.57
£452.57 - £452.57
£452.57

S&S Cycle Piston Kit for S&S Motors Replacement #106-4416

Out of stock

DescriptionPiston Kit for S&S MotorsPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacem...

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£452.57 - £452.57
£452.57
£452.57 - £452.57
£452.57
Sold out
S&S Cycle Forged 3-5/8" Bore Piston Kit
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59

S&S Cycle Forged 3-5/8" Bore Piston Kit #106-5538

in stock

DescriptionForged 3-5/8" Bore Piston KitForged pistons for superior strengthModern alloys and piston skirt profiles for low noise and long engine l...

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£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59
S&S Cycle Forged 3-5/8" Bore Piston Kit
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59

S&S Cycle Forged 3-5/8" Bore Piston Kit #106-5537

in stock

DescriptionForged 3-5/8" Bore Piston KitForged pistons for superior strengthModern alloys and piston skirt profiles for low noise and long engine l...

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£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59
S&S Cycle Forged 3-5/8" Bore Piston Kit
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59

S&S Cycle Forged 3-5/8" Bore Piston Kit #106-5536

in stock

DescriptionForged 3-5/8" Bore Piston KitForged pistons for superior strengthModern alloys and piston skirt profiles for low noise and long engine l...

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£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59
S&S Cycle Forged 3-5/8" Bore Piston Kit
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59

S&S Cycle Forged 3-5/8" Bore Piston Kit #106-5535

in stock

DescriptionForged 3-5/8" Bore Piston KitForged pistons for superior strengthModern alloys and piston skirt profiles for low noise and long engine l...

View full details
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59
S&S Cycle Piston Kit 80" Stock Big Twin Low Compression
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59

S&S Cycle Piston Kit 80" Stock Big Twin Low Compression #106-5514

in stock

DescriptionPiston Kit 80" Stock Big TwinFor 80" stock big twin motorsForged pistons for superior strengthPiston kits include set of pistons, rings,...

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£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59
S&S Cycle Piston Kit 80" Stock Big Twin Low Compression
Sold out
£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59

S&S Cycle Piston Kit 80" Stock Big Twin Low Compression #106-5512

Out of stock

DescriptionPiston Kit 80" Stock Big TwinFor 80" stock big twin motorsForged pistons for superior strengthPiston kits include set of pistons, rings,...

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£427.59 - £427.59
£427.59
£427.59 - £427.59
£427.59
Sold out
£57.55 - £57.55
£57.55
£58.42
£58.42 - £58.42
£58.42

Drag Specialties Carburetor Support Bracket with Choke Cable Mount Fits Harley-Davidson Dyna, Softail, Touring Models 1992-2006

in stock

DescriptionCarburetor Support Bracket with Choke Cable MountOffers mounting of choke control under the carburetor for easy accessProvides support f...

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£57.55 - £57.55
£57.55
£58.42
£58.42 - £58.42
£58.42
£42.09 - £42.09
£42.09
£42.73
£42.73 - £42.73
£42.73

Drag Specialties Crankcase Breather Kit Fits Harley-Davidson Sportster Models 1991-2022

in stock

DescriptionCrankcase Breather KitComes with breather bolts, washers and hardwareWorks with most aftermarket air cleanersOne-piece chrome tube desig...

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£42.09 - £42.09
£42.09
£42.73
£42.73 - £42.73
£42.73
£426.14 - £426.14
£426.14
£432.61
£432.61 - £432.61
£432.61

Drag Specialties One-Piece 2" Extended Gas Tank

in stock

DescriptionOne-Piece 2" Extended Gas Tank2" Stretch over stock length; capacity is approximately 4.2 gallonsComes complete with all necessary mount...

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£426.14 - £426.14
£426.14
£432.61
£432.61 - £432.61
£432.61
S&S Cycle 110" Power Package Performance Kit Black 585GE Engine
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 110" Power Package Performance Kit Black 585GE Engine #330-0669

in stock

Description110" Power Package Performance KitCylinder fits to piston; no machining requiredTC3 cam support plate and TC3 oil pump to ensure consist...

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£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
S&S Cycle 110" Power Package Performance Kit Silver 585GE Engine
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 110" Power Package Performance Kit Silver 585GE Engine #330-0667

Only 3 left!

Description110" Power Package Performance KitCylinder fits to piston; no machining requiredTC3 cam support plate and TC3 oil pump to ensure consist...

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£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
S&S Cycle 110" Power Package Performance Kit Black 585CE Engine
£3,028.90 - £3,028.90
£3,028.90
£3,028.90 - £3,028.90
£3,028.90

S&S Cycle 110" Power Package Performance Kit Black 585CE Engine #330-0668

in stock

Description110" Power Package Performance KitCylinder fits to piston; no machining requiredTC3 cam support plate and TC3 oil pump to ensure consist...

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£3,028.90 - £3,028.90
£3,028.90
£3,028.90 - £3,028.90
£3,028.90
S&S Cycle 110" Power Package Performance Kit Silver 585CE Engine
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 110" Power Package Performance Kit Silver 585CE Engine #330-0666

in stock

Description110" Power Package Performance KitCylinder fits to piston; no machining requiredTC3 cam support plate and TC3 oil pump to ensure consist...

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£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
S&S Cycle 100" Power Package Engine Performance Kit Wrinkle Black 585GE
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 100" Power Package Engine Performance Kit Wrinkle Black 585GE #330-0665

Only 4 left!

Description100" Power Package Engine Performance KitMade in the USAS&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&...

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£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
S&S Cycle 100" Power Package Engine Performance Kit Silver 585GE
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 100" Power Package Engine Performance Kit Silver 585GE #330-0663

Only 1 left!

Description100" Power Package Engine Performance KitMade in the USAS&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&...

View full details
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
S&S Cycle 100" Power Package Engine Performance Kit Wrinkle Black 585CE
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 100" Power Package Engine Performance Kit Wrinkle Black 585CE #330-0664

Only 1 left!

Description100" Power Package Engine Performance KitMade in the USAS&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&...

View full details
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
S&S Cycle 100" Power Package Engine Performance Kit Silver 585CE
Sold out
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41

S&S Cycle 100" Power Package Engine Performance Kit Silver 585CE #330-0662

Out of stock

Description100" Power Package Engine Performance KitMade in the USAS&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&...

View full details
£3,534.41 - £3,534.41
£3,534.41
£3,534.41 - £3,534.41
£3,534.41
Sold out
S&S Cycle Sidewinder® Big Bore Stroker Engine Performance Kit Black
£3,949.54 - £3,949.54
£3,949.54
£3,949.54 - £3,949.54
£3,949.54

S&S Cycle Sidewinder® Big Bore Stroker Engine Performance Kit Black #91-9130

Only 3 left!

DescriptionSidewinder® Big Bore Stroker Engine Performance KitSidewinder Big Bore Stroker KitContains nearly everything needed to take a stock 74" ...

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£3,949.54 - £3,949.54
£3,949.54
£3,949.54 - £3,949.54
£3,949.54
S&S Cycle Sidewinder® Big Bore Stroker Engine Performance Kit Black
£3,949.54 - £3,949.54
£3,949.54
£3,949.54 - £3,949.54
£3,949.54

S&S Cycle Sidewinder® Big Bore Stroker Engine Performance Kit Black #91-9126

Only 1 left!

DescriptionSidewinder® Big Bore Stroker Engine Performance KitSidewinder Big Bore Stroker KitContains nearly everything needed to take a stock 74" ...

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£3,949.54 - £3,949.54
£3,949.54
£3,949.54 - £3,949.54
£3,949.54
S&S Cycle 4-1/8" Bore Cylinder Cylinder Kit Black Powder-Coated Aluminium Pair
£962.38 - £962.38
£962.38
£962.38 - £962.38
£962.38

S&S Cycle 4-1/8" Bore Cylinder Cylinder Kit Black Powder-Coated Aluminium Pair #910-0255

in stock

Description4-1/8" Bore CylinderCylinders have a stock bolt patternBored slightly under nominal size and are not honedDesigned for 124" Hot Set Up K...

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£962.38 - £962.38
£962.38
£962.38 - £962.38
£962.38

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