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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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£616.07
£616.07 - £616.07
£616.07
£560.60
£560.60 - £560.60
£560.60

V02 Onyx Air Intake Kit

in stock

DescriptionV02 Onyx Air Intake KitOpen face design allows for maximum airflowCNC billet aluminium coverEnhanced airflow for performanceSpecificatio...

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£616.07
£616.07 - £616.07
£616.07
£560.60
£560.60 - £560.60
£560.60
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£376.73
£376.73 - £376.73
£376.73
£344.99
£344.99 - £344.99
£344.99

Arlen Ness Black Big Sucker Stage 1 Air Filter Kit w/Slot Track Cover for 1999-2002 Harley-Davidson Touring Motorcycles

Only 3 left!

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

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£376.73
£376.73 - £376.73
£376.73
£344.99
£344.99 - £344.99
£344.99
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Sold out
£115.21
£115.21 - £115.21
£115.21
£105.51
£105.51 - £105.51
£105.51

Big Sucker™ Air Filter Kit

Out of stock

DescriptionBig Sucker™ Air Filter KitEach hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient...

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£115.21
£115.21 - £115.21
£115.21
£105.51
£105.51 - £105.51
£105.51
Sold out
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£282.36
£282.36 - £282.36
£282.36
£258.58
£258.58 - £258.58
£258.58

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Black Steel Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide e...

View full details
£282.36
£282.36 - £282.36
£282.36
£258.58
£258.58 - £258.58
£258.58
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Save 8% Save %
£258.73
£258.73 - £258.73
£258.73
£236.93
£236.93 - £236.93
£236.93

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Black Steel Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£258.73
£258.73 - £258.73
£258.73
£236.93
£236.93 - £236.93
£236.93
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Save 8% Save %
£282.36
£282.36 - £282.36
£282.36
£258.58
£258.58 - £258.58
£258.58

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Black Steel Cover for 2009-2015 Harley-Davidson Trike and 2008-2016 Harley-Davidson Touring Motorcycles

in stock

DescriptionBig Sucker™ Stage I Air Filter KitEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide e...

View full details
£282.36
£282.36 - £282.36
£282.36
£258.58
£258.58 - £258.58
£258.58
Save 8% Save %
Save 8% Save %
£258.73
£258.73 - £258.73
£258.73
£236.93
£236.93 - £236.93
£236.93

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Chrome Steel Cover for 1991-2022 Harley-Davidson Sportster Motorcycles

in stock

DescriptionBig Sucker™ Stage I Air Filter KitEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide e...

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£258.73
£258.73 - £258.73
£258.73
£236.93
£236.93 - £236.93
£236.93
Save 8% Save %
Save 8% Save %
£258.73
£258.73 - £258.73
£258.73
£236.93
£236.93 - £236.93
£236.93

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Chrome Steel Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide e...

View full details
£258.73
£258.73 - £258.73
£258.73
£236.93
£236.93 - £236.93
£236.93
Save 8% Save %
Save 8% Save %
£291.47
£291.47 - £291.47
£291.47
£267.03
£267.03 - £267.03
£267.03

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Chrome Steel Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£291.47
£291.47 - £291.47
£291.47
£267.03
£267.03 - £267.03
£267.03
Save 8% Save %
Save 8% Save %
£282.36
£282.36 - £282.36
£282.36
£258.58
£258.58 - £258.58
£258.58

Arlen Ness Big Sucker Stage 1 Air Filter Kit w/Chrome Steel Cover for 2008-2016 Harley-Davidson Touring and 2009-2015 Harley-Davidson Trike Motorcycles

in stock

DescriptionBig Sucker™ Stage I Air Filter KitEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide e...

View full details
£282.36
£282.36 - £282.36
£282.36
£258.58
£258.58 - £258.58
£258.58
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£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62

Arlen Ness Black Stage I Big Sucker Performance Air Cleaner Kit w/Standard Filter for 1991-2019 Harley-Davidson Sportster Motorcycles

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

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£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62
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Save 8% Save %
£270.07
£270.07 - £270.07
£270.07
£247.33
£247.33 - £247.33
£247.33

Arlen Ness Black Stage I Big Sucker Performance Air Cleaner Kit w/Standard Filter for 1999-2002 Harley-Davidson Touring Motorcycles

Only 4 left!

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£270.07
£270.07 - £270.07
£270.07
£247.33
£247.33 - £247.33
£247.33
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Save 8% Save %
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62

Arlen Ness Wrinkle Black Stage I Big Sucker Performance Air Cleaner Kit w/Standard Filter for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62
Save 8% Save %
Save 8% Save %
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62

Arlen Ness Wrinkle Black Stage I Big Sucker Performance Air Cleaner Kit w/Standard Filter for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide e...

View full details
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62
Save 8% Save %
Save 8% Save %
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62

Arlen Ness Wrinkle Black Stage I Big Sucker Performance Air Cleaner Kit w/Standard Filter for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62
Save 8% Save %
Save 8% Save %
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62

Arlen Ness Chrome Stage I Big Sucker Performance Air Cleaner Kit w/Standard Filter for 1991-2019 Harley-Davidson Sportster Motorcycles

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£247.47
£247.47 - £247.47
£247.47
£226.62
£226.62 - £226.62
£226.62
Save 8% Save %
Save 8% Save %
£270.07
£270.07 - £270.07
£270.07
£247.33
£247.33 - £247.33
£247.33

Big Sucker™ Stage I Air Filter Kit

in stock

DescriptionBig Sucker™ Stage I Air Filter KitOne-Piece aluminium backing plate with hidden breather technologyEach hidden breather is O-ringed at t...

View full details
£270.07
£270.07 - £270.07
£270.07
£247.33
£247.33 - £247.33
£247.33
Save 8% Save %
Sold out
£267.34
£267.34 - £267.34
£267.34
£243.13
£243.13 - £243.13
£243.13

VO2 Air Intake Kit

Out of stock

DescriptionVO2 Air Intake KitSleek, dual-port venturi machined from billet aluminiumDirect bolt-on to the factory throttle bodyIncludes washable hi...

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£267.34
£267.34 - £267.34
£267.34
£243.13
£243.13 - £243.13
£243.13
Sold out
Sold out
£26.68
£26.68 - £26.68
£26.68
£23.28
£23.28 - £23.28
£23.28

Slip-On Muffler Clamps

Out of stock

DescriptionSlip-On Muffler ClampsHigh-strength fastener hardware with corrosion-resistant coating includedIncludes two 1-3/4" stainless steel clamp...

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£26.68
£26.68 - £26.68
£26.68
£23.28
£23.28 - £23.28
£23.28
Sold out
Save 9% Save %
£548.10
£548.10 - £548.10
£548.10
£498.46
£498.46 - £498.46
£498.46

VO2 Rogue Air Intake Kit

Only 3 left!

DescriptionVO2 Rogue Air Intake KitCNC-machined billet cover secured with race-spec ARP hardwareHigh-capacity deep-pleated washable air filter elem...

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£548.10
£548.10 - £548.10
£548.10
£498.46
£498.46 - £498.46
£498.46
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£481.25
£481.25 - £481.25
£481.25
£437.67
£437.67 - £437.67
£437.67

Fuelpak 4 Tuning Module

in stock

DescriptionFuelpak 4 Tuning ModuleMade of polycarbonate plastic/Bluetooth® low energy, FP4 hardware is smaller and thinner than the previous genera...

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£481.25
£481.25 - £481.25
£481.25
£437.67
£437.67 - £437.67
£437.67
Save 9% Save %
Save 9% Save %
£26.68
£26.68 - £26.68
£26.68
£24.28
£24.28 - £24.28
£24.28

Slip-On Muffler Clamps

in stock

DescriptionSlip-On Muffler ClampsHigh-strength fastener hardware with corrosion-resistant coating includedIncludes 1-3/4" stainless steel clamp for...

View full details
£26.68
£26.68 - £26.68
£26.68
£24.28
£24.28 - £24.28
£24.28
Save 9% Save %
Save 5% Save %
£548.10
£548.10 - £548.10
£548.10
£520.11
£520.11 - £520.11
£520.11

VO2 Rogue Air Intake Kit

in stock

DescriptionVO2 Rogue Air Intake KitCNC-machined billet cover secured with race-spec ARP hardwareHigh-capacity deep-pleated washable air filter elem...

View full details
£548.10
£548.10 - £548.10
£548.10
£520.11
£520.11 - £520.11
£520.11
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£513.34
£513.34 - £513.34
£513.34
£466.86
£466.86 - £466.86
£466.86

3" Twin Slash Slip-On Mufflers

in stock

Description3" Twin Slash Slip-On MufflersFeature 2-1/2" muffler bodies shielded by 3" full-coverage heat shields for a blue-proof lookIncreased per...

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£513.34
£513.34 - £513.34
£513.34
£466.86
£466.86 - £466.86
£466.86
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