Skip to content
Find us Hours of Business Email Us Shipping Cookie policy Returns Terms & Conditions Privacy Policy Refunds

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

Arlen Ness Black Air Cleaner Cover Mounting Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) Save 9% Save %
£19.01
£19.01 - £19.01
£19.01
£17.38
£17.38 - £17.38
£17.38

Arlen Ness Black Air Cleaner Cover Mounting Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #600-052

Only 5 left!

DescriptionReplacement Breather Bolt Cover PlateCNC-machined cover that hides the breather bolts6061-T6 Forged AluminiumSpecificationsUnits : EachR...

View full details
£19.01
£19.01 - £19.01
£19.01
£17.38
£17.38 - £17.38
£17.38
Save 9% Save %
Save 8% Save %
£212.95
£212.95 - £212.95
£212.95
£195.01
£195.01 - £195.01
£195.01

Arlen Ness Black Knuckle Cover for Arlen Ness Round Stage Kit #18-769

Only 4 left!

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecification...

View full details
£212.95
£212.95 - £212.95
£212.95
£195.01
£195.01 - £195.01
£195.01
Save 8% Save %
Save 8% Save %
£212.95
£212.95 - £212.95
£212.95
£195.01
£195.01 - £195.01
£195.01

Big Sucker Stage 1 Outer Cover #18-768

in stock

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecification...

View full details
£212.95
£212.95 - £212.95
£212.95
£195.01
£195.01 - £195.01
£195.01
Save 8% Save %
Save 8% Save %
£204.52
£204.52 - £204.52
£204.52
£187.31
£187.31 - £187.31
£187.31

Arlen Ness Carbon Cover for Arlen Ness Round Stage Kit #18-767

in stock

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecification...

View full details
£204.52
£204.52 - £204.52
£204.52
£187.31
£187.31 - £187.31
£187.31
Save 8% Save %
Save 8% Save %
£87.35
£87.35 - £87.35
£87.35
£79.99
£79.99 - £79.99
£79.99

Arlen Ness Brushed Stainless Cover for Arlen Ness Round Stage Kit #18-764

in stock

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecification...

View full details
£87.35
£87.35 - £87.35
£87.35
£79.99
£79.99 - £79.99
£79.99
Save 8% Save %
Arlen Ness Black Smooth Air Cleaner Outlet Cover
Save 8% Save %
£69.02
£69.02 - £69.02
£69.02
£63.21
£63.21 - £63.21
£63.21

Arlen Ness Black Smooth Air Cleaner Outlet Cover #18-761

in stock

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsNot for part ...

View full details
£69.02
£69.02 - £69.02
£69.02
£63.21
£63.21 - £63.21
£63.21
Save 8% Save %
Arlen Ness Chrome Smooth Air Cleaner Outlet Cover
Save 8% Save %
£69.02
£69.02 - £69.02
£69.02
£63.21
£63.21 - £63.21
£63.21

Arlen Ness Chrome Smooth Air Cleaner Outlet Cover #18-760

in stock

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsNot for part ...

View full details
£69.02
£69.02 - £69.02
£69.02
£63.21
£63.21 - £63.21
£63.21
Save 8% Save %
Arlen Ness Scalloped Air Cleaner Outlet Cover
Save 8% Save %
£159.75
£159.75 - £159.75
£159.75
£146.30
£146.30 - £146.30
£146.30

Arlen Ness Scalloped Air Cleaner Outlet Cover #18-781

in stock

DescriptionBig Sucker Stage 1 Outer CoverReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsNot for part ...

View full details
£159.75
£159.75 - £159.75
£159.75
£146.30
£146.30 - £146.30
£146.30
Save 8% Save %
Save 8% Save %
£43.32
£43.32 - £43.32
£43.32
£39.68
£39.68 - £39.68
£39.68

Arlen Ness Replacement Air Cleaner Window #600-047

Only 4 left!

DescriptionAir Cleaner Replacement WindowClear Polycarbonate Windows designed for Arlen Ness Clear Series IntakesDesigned for Clear Tear & Cros...

View full details
£43.32
£43.32 - £43.32
£43.32
£39.68
£39.68 - £39.68
£39.68
Save 8% Save %
Save 8% Save %
£46.25
£46.25 - £46.25
£46.25
£42.35
£42.35 - £42.35
£42.35

Arlen Ness Monster And Velocity Series Hardware Kit for 1988-2021 Harley-Davidson Sportster Motorcycles #602-022

in stock

DescriptionReplacement Air Cleaner Hardware KitIncludes all necessary gaskets and hardware to bring your air cleaner to like new conditionReplaceme...

View full details
£46.25
£46.25 - £46.25
£46.25
£42.35
£42.35 - £42.35
£42.35
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Monster And Velocity Series Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-021

in stock

DescriptionReplacement Monster and Velocity Series Hardware KitReplacement hardware kit for Monster Sucker®, Velocity 65° and Velocity 90° air clea...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Monster and Velocity Series Hardware Kit #602-020

in stock

DescriptionReplacement Air Cleaner Hardware KitIncludes all necessary gaskets and hardware to bring your air cleaner to like new conditionReplaceme...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage II Air Cleaner Hardware Kit for 2008-2016 Harley-Davidson Touring and 2008-2016 Harley-Davidson Dyna Motorcycles #602-018

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage II Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-017

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage II Air Cleaner Hardware Kit for 1999-2001 Harley-Davidson Touring Motorcycles #602-016

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.39
£43.39 - £43.39
£43.39

Arlen Ness Replacement Big Sucker Stage II Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-015

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.39
£43.39 - £43.39
£43.39
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage II Air Cleaner Hardware Kit for 1988-2022 Harley-Davidson Sportster Motorcycles #602-014

Only 2 left!

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£46.25
£46.25 - £46.25
£46.25
£42.35
£42.35 - £42.35
£42.35

Arlen Ness Big Sucker Stage 1 Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-013

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£46.25
£46.25 - £46.25
£46.25
£42.35
£42.35 - £42.35
£42.35
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for 2008-2016 Harley-Davidson Dyna and 2008-2016 Harley-Davidson Touring Motorcycles #602-012

Only 2 left!

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-011

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for 1999-2001 Harley-Davidson Touring Motorcycles
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for 1999-2001 Harley-Davidson Touring Motorcycles #602-010

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.39
£43.39 - £43.39
£43.39

Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-009

in stock

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.39
£43.39 - £43.39
£43.39
Save 8% Save %
Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for 1988-2022 Harley-Davidson Sportster Motorcycles
Save 8% Save %
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41

Arlen Ness Replacement Big Sucker Stage I Air Cleaner Hardware Kit for 1988-2022 Harley-Davidson Sportster Motorcycles #602-008

Only 4 left!

DescriptionBig Sucker Air Cleaner Replacement Hardware KitEach hardware kit includes hardware, gaskets and O-rings for Stage I or Stage II intakesR...

View full details
£47.41
£47.41 - £47.41
£47.41
£43.41
£43.41 - £43.41
£43.41
Save 8% Save %
Arlen Ness Replacement Method/Inverted Series/Sidekick/Clear Tear Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 8% Save %
£36.21
£36.21 - £36.21
£36.21
£33.15
£33.15 - £33.15
£33.15

Arlen Ness Replacement Method/Inverted Series/Sidekick/Clear Tear Air Cleaner Hardware Kit for Various Various Harley-Davidson Motorcycles (See Fitment List) #602-006

Only 4 left!

DescriptionReplacement Air Cleaner Hardware KitIncludes hardware gaskets and all necessary components for air cleaners with forged billet backing p...

View full details
£36.21
£36.21 - £36.21
£36.21
£33.15
£33.15 - £33.15
£33.15
Save 8% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare