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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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Sold out
£139.85 - £139.85
£139.85
£141.97
£141.97 - £141.97
£141.97

Drag Specialties Gasket/Seal and O-Ring Display Board for M8 Motors Fits Harley-Davidson Softail, Touring, Trike Models 2022-2024

Out of stock

DescriptionGasket/Seal and O-Ring Display Board for M8 MotorsComplete four-colour display features gaskets, seals and O-rings for Milwaukee-Eight® ...

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£139.85 - £139.85
£139.85
£141.97
£141.97 - £141.97
£141.97
Sold out
Sold out
£60.43 - £60.43
£60.43
£61.35
£61.35 - £61.35
£61.35

Drag Specialties Exhaust Gaskets Fits Harley-Davidson Softail, Sportster Models 2000-2015

Out of stock

DescriptionExhaust GasketsHigh-quality exhaust gasketsSpecificationsRiding Style : StreetUnits : 10 PackType : Exhaust InterconnectProduct Name : G...

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£60.43 - £60.43
£60.43
£61.35
£61.35 - £61.35
£61.35
Sold out
£59.28 - £59.28
£59.28
£60.18
£60.18 - £60.18
£60.18

Drag Specialties Exhaust Gaskets Fits Harley-Davidson Sportster Models 1982-2003

in stock

DescriptionExhaust GasketsHigh-quality exhaust gasketsSpecificationsUnits : 10 PackType : Crossover| Exhaust PortProduct Name : GasketRiding Style ...

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£59.28 - £59.28
£59.28
£60.18
£60.18 - £60.18
£60.18
£183.89 - £183.89
£183.89
£186.68
£186.68 - £186.68
£186.68

Drag Specialties Gasket, Seal and O-Ring Display for 04-15 Xl Evolution Motors Fits Harley-Davidson Sportster Models 2007-2022

Only 5 left!

DescriptionGasket, Seal and O-Ring Display for 04-15 Xl Evolution MotorsComplete four-colour display features gaskets, seals and O-rings necessary ...

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£183.89 - £183.89
£183.89
£186.68
£186.68 - £186.68
£186.68
Sold out
£129.51 - £129.51
£129.51
£131.47
£131.47 - £131.47
£131.47

Drag Specialties Gasket, Seal and O-Ring Display for 86-03 Xl Evolution Motors Fits Harley-Davidson Sportster Models 2000-2001

Out of stock

DescriptionGasket, Seal and O-Ring Display for 86-03 Xl Evolution MotorsComplete four-colour display features gaskets, seals and O-rings necessary ...

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£129.51 - £129.51
£129.51
£131.47
£131.47 - £131.47
£131.47
Sold out
Sold out
£153.82 - £153.82
£153.82
£156.16
£156.16 - £156.16
£156.16

Drag Specialties Gasket, Seal and O-Ring Display for Twin Cam Motors Fits Harley-Davidson Dyna, Softail Models 2000-2001

Out of stock

DescriptionGasket, Seal and O-Ring Display for Twin Cam MotorsComplete four-colour display features every gasket, seal and O-ring necessary to rebu...

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£153.82 - £153.82
£153.82
£156.16
£156.16 - £156.16
£156.16
Sold out
£110.71 - £110.71
£110.71
£112.39
£112.39 - £112.39
£112.39

Drag Specialties Gasket, Seal and O-Ring Display for 57-85 Xl Motor Fits Harley-Davidson Sportster Models 1974-1976

in stock

DescriptionGasket, Seal and O-Ring Display for 57-85 Xl MotorComplete four-colour display features every gasket, seal and O-ring necessary to rebui...

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£110.71 - £110.71
£110.71
£112.39
£112.39 - £112.39
£112.39
£161.26 - £161.26
£161.26
£163.71
£163.71 - £163.71
£163.71

Drag Specialties Gasket, Seal and O-Ring Display for Big Twin 5-Speed Transmissions

Only 2 left!

DescriptionGasket, Seal and O-Ring Display for Big Twin 5-Speed TransmissionsComplete four-colour display features gaskets, seals and O-rings neces...

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£161.26 - £161.26
£161.26
£163.71
£163.71 - £163.71
£163.71
£44.89 - £44.89
£44.89
£45.57
£45.57 - £45.57
£45.57

Drag Specialties Rear Swingarm Mount Bushing for 2009-2016 Harley-Davidson Touring Motorcycles

in stock

DescriptionSwingarm Pivot MountUrethane mount specially designed to out-last and out-dampen the OEM partSold individuallySpecificationsUnits : Each...

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£44.89 - £44.89
£44.89
£45.57
£45.57 - £45.57
£45.57
Sold out
£50.57 - £50.57
£50.57
£51.34
£51.34 - £51.34
£51.34

Drag Specialties Front ISO-Mount Motor Mount for 2009-2016 Harley-Davidson Touring Motorcycles

Out of stock

DescriptionIso-Mount™ Motor MountUrethane motor mount specially designed to out-last and out-dampen the OEM partSpecificationsColour/Finish : Black...

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£50.57 - £50.57
£50.57
£51.34
£51.34 - £51.34
£51.34
Sold out
£132.83 - £132.83
£132.83
£134.84
£134.84 - £134.84
£134.84

Isolator Engine Mount Dyna

in stock

DescriptionIsolator Engine MountHigh-quality replacement motor mountsMeet or exceed OEM specificationsInstall using OEM hardwareSpecificationsProdu...

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£132.83 - £132.83
£132.83
£134.84
£134.84 - £134.84
£134.84
£127.87 - £127.87
£127.87
£129.81
£129.81 - £129.81
£129.81

Drag Specialties Rear-Isolator Motor Mount for 1991-1998 Harley-Davidson Dyna Motorcycles

in stock

DescriptionIsolator Engine MountHigh-quality replacement motor mountsMeet or exceed OEM specificationsInstall using OEM hardwareSpecificationsRidin...

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£127.87 - £127.87
£127.87
£129.81
£129.81 - £129.81
£129.81
£127.87 - £127.87
£127.87
£129.81
£129.81 - £129.81
£129.81

Drag Specialties Front Isolator Motor Mount for 1991-2017 Harley-Davidson Dyna Motorcycles

in stock

DescriptionIsolator Engine MountHigh-quality replacement motor mountsMeet or exceed OEM specificationsInstall using OEM hardwareSpecificationsColou...

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£127.87 - £127.87
£127.87
£129.81
£129.81 - £129.81
£129.81
£21.43 - £21.43
£21.43
£21.76
£21.76 - £21.76
£21.76

Drag Specialties Swingarm Mount for 1986-2008 Harley-Davidson Touring Motorcycles

in stock

DescriptionSwingarm Isolator MountMeets or exceeds OE specificationsSpecificationsColour/Finish : BlackRiding Style : StreetProduct Name : MountUni...

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£21.43 - £21.43
£21.43
£21.76
£21.76 - £21.76
£21.76
Sold out
£54.24 - £54.24
£54.24
£55.06
£55.06 - £55.06
£55.06

Drag Specialties Chrome Stabilizer Link for 2004-2022 Harley-Davidson Sportster Motorcycles

Out of stock

DescriptionChrome Tie-LinkChrome-plated steelSold eachSpecificationsProduct Name : StabilizerMaterial : SteelUnits : EachType : Tie-LinkRiding Styl...

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£54.24 - £54.24
£54.24
£55.06
£55.06 - £55.06
£55.06
Sold out
£132.06 - £132.06
£132.06
£134.06
£134.06 - £134.06
£134.06

Drag Specialties High Volume Oil Pump Fits Harley-Davidson Dyna, Softail, Touring, Trike Models 2017-2024

in stock

DescriptionHigh Volume Oil Pump126% feed and 131% scavenge volume compared to OEM (stock) M8 fourth generation oil pumps at 1000 rpm123% feed and 1...

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£132.06 - £132.06
£132.06
£134.06
£134.06 - £134.06
£134.06
£22.72 - £22.72
£22.72
£23.06
£23.06 - £23.06
£23.06

Drag Specialties Oil Pump Replacement Partition Plate & O-Ring Set for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionOil Pump PartsDifferent parts in product - Can either list as "OEM replacement parts for DS Oil Pump" or split product apart and list mo...

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£22.72 - £22.72
£22.72
£23.06
£23.06 - £23.06
£23.06
£164.44 - £164.44
£164.44
£166.94
£166.94 - £166.94
£166.94

Oil Pump Assembly Dyna, Softail, Classic, Touring

in stock

DescriptionOil Pump AssemblyHigh-quality replacement cast aluminium pump body with steel gears and shaftRaw cast aluminium finishGaskets and seals ...

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£164.44 - £164.44
£164.44
£166.94
£166.94 - £166.94
£166.94
Sold out
£148.10 - £148.10
£148.10
£150.35
£150.35 - £150.35
£150.35

Drag Specialties High Performance Oil Pump for Various Various Harley-Davidson Motorcycles (See Fitment List)

Out of stock

DescriptionHigh Performance Oil PumpHelp to reduce oil carryover during high rpm operation; higher volume helps reduce engine and oil temperatures5...

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£148.10 - £148.10
£148.10
£150.35
£150.35 - £150.35
£150.35
Sold out
£109.87 - £109.87
£109.87
£111.54
£111.54 - £111.54
£111.54

Drag Specialties High Performance Oil Pump for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionHigh Performance Oil PumpHelp to reduce oil carryover during high rpm operation; higher volume helps reduce engine and oil temperatures5...

View full details
£109.87 - £109.87
£109.87
£111.54
£111.54 - £111.54
£111.54
Sold out
£431.96 - £431.96
£431.96
£438.52
£438.52 - £438.52
£438.52

Drag Specialties Black Replacement Cylinders (4.25 in. Bore; 124/128 cu. in.) for Various Various Harley-Davidson Motorcycles (See Fitment List)

Out of stock

DescriptionCylinder SetCylinders are finished slightly undersized so they may be finish-honed to fit your pistonOEM black texture powder-coat with ...

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£431.96 - £431.96
£431.96
£438.52
£438.52 - £438.52
£438.52
Sold out
£348.52 - £348.52
£348.52
£353.81
£353.81 - £353.81
£353.81

Drag Specialties Replacement Cylinders for XL Evolution-Style Motors Fits Harley-Davidson Sportster Models 1988-2003

Only 1 left!

DescriptionReplacement Cylinders for XL Evolution-Style MotorsFeatures a ductile cast-iron sleeve in aluminium castingThe sleeve has external ribs ...

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£348.52 - £348.52
£348.52
£353.81
£353.81 - £353.81
£353.81
£348.43 - £348.43
£348.43
£353.72
£353.72 - £353.72
£353.72

Drag Specialties Replacement Cylinder for Evolution Motors Fits Harley-Davidson Dyna, Softail, Touring Models 1983-1999

Only 3 left!

DescriptionReplacement Cylinder for Evolution MotorsFeatures a ductile cast-iron sleeve in aluminium castingThe sleeve has external ribs that “lock...

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£348.43 - £348.43
£348.43
£353.72
£353.72 - £353.72
£353.72
£18.83 - £18.83
£18.83
£19.12
£19.12 - £19.12
£19.12

Drag Specialties Rocker Arm Shaft Fits Harley-Davidson Dyna, Touring Models 1970-1984

Only 2 left!

DescriptionRocker Arm ShaftRocker arm shaft for Harley Davidson modelsSpecificationsApplication : Exhaust| IntakeUnits : EachType : Rocker ArmMount...

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£18.83 - £18.83
£18.83
£19.12
£19.12 - £19.12
£19.12

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