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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.

Filters

Drag Specialties Crankcase Vent Replacement Filter Vent Filter Aluminium Black Rubber Top
£10.99 - £10.99
£10.99
£10.99 - £10.99
£10.99

Drag Specialties Crankcase Vent Replacement Filter Vent Filter Aluminium Black Rubber Top - 35-0313-BC104

in stock

DescriptionCrankcase Vent Replacement FilterReplacement filters sold separatelySpecifications Product Name: Vent Filter Riding Style: Street Uni...

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£10.99 - £10.99
£10.99
£10.99 - £10.99
£10.99
Drag Specialties Crankcase Vent Replacement Filter Vent Filter Aluminium Chrome Chrome Top
£10.99 - £10.99
£10.99
£10.99 - £10.99
£10.99

Drag Specialties Crankcase Vent Replacement Filter Vent Filter Aluminium Chrome Chrome Top - 35-0312A-BC142

in stock

DescriptionCrankcase Vent Replacement FilterReplacement filters sold separatelySpecifications Colour/Finish: Aluminium| Chrome Type: Chrome Top| ...

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£10.99 - £10.99
£10.99
£10.99 - £10.99
£10.99
Drag Specialties Crankcase Vent Filter Assembly Chrome
£20.01 - £20.01
£20.01
£20.01 - £20.01
£20.01

Drag Specialties Crankcase Vent Filter Assembly Chrome - 35-0312-BC299

in stock

DescriptionCrankcase Vent Filter AssemblyOne-piece crankcase filter assembly comes complete with filter clamp and a chrome, die-cast mounting base ...

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£20.01 - £20.01
£20.01
£20.01 - £20.01
£20.01
Drag Specialties EFI Engine Temperature Sensor Black Gold
£46.05 - £46.05
£46.05
£46.05 - £46.05
£46.05

Drag Specialties EFI Engine Temperature Sensor Black Gold - MC-DRAG047

in stock

DescriptionEFI Engine Temperature SensorHigh-quality OEM replacementSpecifications Type: Engine Temperature Riding Style: Street Colour/Finish: ...

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£46.05 - £46.05
£46.05
£46.05 - £46.05
£46.05
Drag Specialties Electronic Fuel Injector Black Grey Silver
Sold out
£77.14 - £77.14
£77.14
£77.14 - £77.14
£77.14

Drag Specialties Electronic Fuel Injector Black Grey Silver - MC-DRAG046

Out of stock

DescriptionElectronic Fuel InjectorHigh-quality OEM replacementSpecifications Product Name: Fuel Injector Colour/Finish: Black| Grey| Silver Bas...

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£77.14 - £77.14
£77.14
£77.14 - £77.14
£77.14
Sold out
Drag Specialties Billet Flange Adapter for Spigot-Type Carbs Aluminium
£39.95 - £39.95
£39.95
£39.95 - £39.95
£39.95

Drag Specialties Billet Flange Adapter for Spigot-Type Carbs Aluminium - 289219

in stock

DescriptionBillet Flange Adapter for Spigot-Type CarbsAllows you to mount OEM late-model CV or Mikuni HSR-42 carbs on early Evolutions with two-bol...

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£39.95 - £39.95
£39.95
£39.95 - £39.95
£39.95
Drag Specialties Air Cleaner Support Bracket Kit Chrome Grey
£38.40 - £38.40
£38.40
£38.40 - £38.40
£38.40

Drag Specialties Air Cleaner Support Bracket Kit Chrome Grey - 120089

in stock

DescriptionAir Cleaner Support Bracket KitCan be used in conjunction with most breather kits (where applicable)All gaskets and mounting hardware in...

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£38.40 - £38.40
£38.40
£38.40 - £38.40
£38.40
Drag Specialties EFI Air Temperature Sensor Black
£51.39 - £51.39
£51.39
£51.39 - £51.39
£51.39

Drag Specialties EFI Air Temperature Sensor Black - MC-DRAG039

in stock

DescriptionEFI Air Temperature SensorHigh-quality OEM replacementSpecifications Base Colour: Black Riding Style: Street Product Name: Sensor Co...

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£51.39 - £51.39
£51.39
£51.39 - £51.39
£51.39
Drag Specialties Crankcase Breather with Support Bracket Kit Crankcase Breather/Support Bracket Kit Black Chrome Silver
£70.94 - £70.94
£70.94
£70.94 - £70.94
£70.94

Drag Specialties Crankcase Breather with Support Bracket Kit Crankcase Breather/Support Bracket Kit Black Chrome Silver - 120087-BC514

in stock

DescriptionCrankcase Breather with Support Bracket KitKit allows the installation of aftermarket air cleaner assemblies on late model bikes equippe...

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£70.94 - £70.94
£70.94
£70.94 - £70.94
£70.94
Drag Specialties Carburetor Rebuild Kit for Keihin Black Silver Rubber
£12.88 - £12.88
£12.88
£12.88 - £12.88
£12.88

Drag Specialties Carburetor Rebuild Kit for Keihin Black Silver Rubber - 27006-76A-PBLB1

in stock

DescriptionCarburetor Rebuild Kit for KeihinIncludes all the parts necessary for rebuilding Keihin carburetorFits '76-'78 Harley-Davidson Shovelhea...

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£12.88 - £12.88
£12.88
£12.88 - £12.88
£12.88
Drag Specialties Accelerator Pump for Bendix Carb Black Gold Carburetor Rubber
£7.32 - £7.32
£7.32
£7.32 - £7.32
£7.32

Drag Specialties Accelerator Pump for Bendix Carb Black Gold Carburetor Rubber - 012619-HC3

in stock

DescriptionAccelerator Pump for Bendix CarbAccelerator pump for Bendix carburetor repair kitSpecifications Colour/Finish: Black| Gold Base Colour...

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£7.32 - £7.32
£7.32
£7.32 - £7.32
£7.32
Drag Specialties Crankcase Breather with Support Bracket Kit Crankcase Breather/Support Bracket Kit Black Chrome Silver
£59.69 - £59.69
£59.69
£59.69 - £59.69
£59.69

Drag Specialties Crankcase Breather with Support Bracket Kit Crankcase Breather/Support Bracket Kit Black Chrome Silver - 120084

in stock

DescriptionCrankcase Breather with Support Bracket KitKit allows the installation of aftermarket air cleaner assemblies on late model bikes equippe...

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£59.69 - £59.69
£59.69
£59.69 - £59.69
£59.69
Drag Specialties Replacement Crankcase Breather Filter Chrome Silver
£10.44 - £10.44
£10.44
£10.44 - £10.44
£10.44

Drag Specialties Replacement Crankcase Breather Filter Chrome Silver - 35-0317-BC142

in stock

DescriptionReplacement Crankcase Breather FilterMeasures 1-1/2" length x 2" diameter, 3/8" inlet on each endReplacement crankcase breather filter f...

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£10.44 - £10.44
£10.44
£10.44 - £10.44
£10.44
Drag Specialties Air Cleaner Support Bracket Kit Chrome Grey
£28.29 - £28.29
£28.29
£28.29 - £28.29
£28.29

Drag Specialties Air Cleaner Support Bracket Kit Chrome Grey - 120046

in stock

DescriptionAir Cleaner Support Bracket KitCan be used in conjunction with most breather kits (where applicable)All gaskets and mounting hardware in...

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£28.29 - £28.29
£28.29
£28.29 - £28.29
£28.29
Drag Specialties Support Bracket Kit Chrome Silver
£55.77 - £55.77
£55.77
£55.77 - £55.77
£55.77

Drag Specialties Support Bracket Kit Chrome Silver - 120049-BC315

in stock

DescriptionSupport Bracket KitIncludes bracket and all mounting hardware necessary for installationAllows the installation of aftermarket air clean...

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£55.77 - £55.77
£55.77
£55.77 - £55.77
£55.77
Drag Specialties Air Cleaner Breather Kit Chrome Silver
£53.77 - £53.77
£53.77
£53.77 - £53.77
£53.77

Drag Specialties Air Cleaner Breather Kit Chrome Silver - 120090-BC105

in stock

DescriptionAir Cleaner Breather KitEnables the mounting of most aftermarket air cleaners to late-style engines that breathe through the cylinder he...

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£53.77 - £53.77
£53.77
£53.77 - £53.77
£53.77
Drag Specialties High Performance 6" Dragtron™ II Air Cleaner Kit Dragtron II Chrome Silver Stainless Steel
£88.08 - £88.08
£88.08
£88.08 - £88.08
£88.08

Drag Specialties High Performance 6" Dragtron™ II Air Cleaner Kit Dragtron II Chrome Silver Stainless Steel - 121165

in stock

DescriptionHigh Performance 6" Dragtron™ II Air Cleaner KitDynamometer-designed radius entry backing plate maximizes airflow and horsepower2" washa...

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£88.08 - £88.08
£88.08
£88.08 - £88.08
£88.08
Drag Specialties Stamped Steel Dragtron™-Style Air Cleaner Chrome Silver
£40.32 - £40.32
£40.32
£40.32 - £40.32
£40.32

Drag Specialties Stamped Steel Dragtron™-Style Air Cleaner Chrome Silver - 14-0102-BX-LB2

in stock

DescriptionStamped Steel Dragtron™-Style Air CleanerStamped steel version of our popular die-cast Dragtron air cleanerFor Bendix, Keihin (not CV) a...

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£40.32 - £40.32
£40.32
£40.32 - £40.32
£40.32
Drag Specialties Five-Bolt Domed Air Cleaner Insert Chrome Silver Die Cast
£40.67 - £40.67
£40.67
£40.67 - £40.67
£40.67

Drag Specialties Five-Bolt Domed Air Cleaner Insert Chrome Silver Die Cast - 14-0210-SC4

in stock

DescriptionFive-Bolt Domed Air Cleaner InsertMatches the five-bolt style of OEM derby coverDie-cast insert with a chrome finishFor '99-'16 Original...

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£40.67 - £40.67
£40.67
£40.67 - £40.67
£40.67
Drag Specialties Smooth Chrome Constant Velocity Carburetor Top Cover For CV Carburetors Silver Die Cast
£17.77 - £17.77
£17.77
£17.77 - £17.77
£17.77

Drag Specialties Smooth Chrome Constant Velocity Carburetor Top Cover For CV Carburetors Silver Die Cast - 72830

in stock

DescriptionSmooth Chrome Constant Velocity Carburetor Top CoverInstallation is a snap; just remove the four OEM screws and bolt on the new cover wi...

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£17.77 - £17.77
£17.77
£17.77 - £17.77
£17.77
Drag Specialties Replacement Gas Tank Bung Chrome Silver Non-Vented Fuel Tank Aluminium
£6.38 - £6.38
£6.38
£6.38 - £6.38
£6.38

Drag Specialties Replacement Gas Tank Bung Chrome Silver Non-Vented Fuel Tank Aluminium - 22-0042L-BC-114

in stock

DescriptionReplacement Gas Tank BungWeld-in style bungs used for custom-mounting filler hole in fuel tanksAccepts '84-E'96 screw-in gas capsSpecifi...

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£6.38 - £6.38
£6.38
£6.38 - £6.38
£6.38
Drag Specialties Replacement Gas Tank Bung Chrome Silver Vented Fuel Tank Aluminium
£6.11 - £6.11
£6.11
£6.11 - £6.11
£6.11

Drag Specialties Replacement Gas Tank Bung Chrome Silver Vented Fuel Tank Aluminium - 22-0042RL-HC4

in stock

DescriptionReplacement Gas Tank BungWeld-in style bungs used for custom-mounting filler hole in fuel tanksAccepts '84-E'96 screw-in gas capsSpecifi...

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£6.11 - £6.11
£6.11
£6.11 - £6.11
£6.11
Drag Specialties Spin-On Oil Filter Black Standard
£6.09 - £6.09
£6.09
£6.09 - £6.09
£6.09

Drag Specialties Spin-On Oil Filter Black Standard - 140004B-BX29

in stock

DescriptionSpin-On Oil FilterHigh-quality spin-on filters are a dependable replacementSpecifications Filter Media Material: Paper Units: Each Co...

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£6.09 - £6.09
£6.09
£6.09 - £6.09
£6.09
Drag Specialties Spin-On Oil Filter Chrome Silver Standard
£7.78 - £7.78
£7.78
£7.78 - £7.78
£7.78

Drag Specialties Spin-On Oil Filter Chrome Silver Standard - 140004-BX29

in stock

DescriptionSpin-On Oil FilterHigh-quality spin-on filters are a dependable replacementSpecifications Type: Spin-On Colour/Finish: Chrome Style: ...

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£7.78 - £7.78
£7.78
£7.78 - £7.78
£7.78

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