Fuel & Air

Arlen Ness #18-535 - Billet Sucker and Big Sucker Replacement Gasket Kit

Billet Sucker and Big Sucker Replacement Gasket KitFeaturesReplacement gasket kit for Arlen Ness® Billet Sucker and Big Sucker air filter kitsSpecsRiding StyleStreetModelBillet SuckerProduct NameGasketUnitsKit

Arlen Ness #18-538 - Billet Sucker and Big Sucker Replacement Gasket Kit

Billet Sucker and Big Sucker Replacement Gasket KitFeaturesReplacement gasket kit for Arlen Ness® Billet Sucker and Big Sucker air filter kitsSpecsModelBillet SuckerRiding StyleStreetProduct NameGasketUnitsKit

Arlen Ness #18-539 - Billet Sucker and Big Sucker Replacement Hardware Kit - Stage II

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesReplacement hardware kit for Arlen Ness® Billet Sucker and Big Sucker air filter kitsSpecsModelBillet SuckerProduct NameHardware KitDesignStage IIRiding StyleStreetUnitsKit

Arlen Ness #18-560 - Big Sucker™ Air Filter Kit - Black - Stage I

Accepts Arlen Ness® Stage I round covers only.FeaturesEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardwareStandard red...

Arlen Ness #18-561 - Big Sucker™ Air Filter Kit - Black - Stage I

Accepts Arlen Ness® Stage I round covers only.For '01-17' Twin Cam Delphi EFI and Twin Cam CV carb models.FeaturesEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating...

Arlen Ness #18-740 - Big Sucker™ Stage I Air Filter Kit - Black

Big Sucker™ Stage I Air Filter Kit - BlackFeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system,...

Arlen Ness #18-741 - Big Sucker™ Stage I Air Filter Kit - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually...

Arlen Ness #18-742 Big Sucker Stage I Air Filter Kit - Stainless Steel

Big Sucker Stage I Air Filter Kit — Brushed One-Piece aluminum backing plate with hidden breather technology Each hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system, eliminating...

Arlen Ness #18-743 Big Sucker Stage I Air Filter Kit - Brass

Big Sucker Stage I Air Filter Kit — Brass One-Piece aluminum backing plate with hidden breather technology Each hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system, eliminating the...

Arlen Ness #18-744 - Big Sucker™ Stage I Air Filter Kit - Black

Will Fit '88-'90 models; breather system is not applicable for these model years.For '91-'22 XL models with CV carb or Delphi EFI.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and...

Arlen Ness #18-750 - Big Sucker™ Stage I Air Filter Kit - Black

Big Sucker™ Stage I Air Filter Kit - BlackFeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system,...

Arlen Ness #18-751 - Big Sucker™ Stage I Air Filter Kit - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually...

Arlen Ness #18-752 - Big Sucker™ Stage I Air Filter Kit - Stainless Steel

Big Sucker™ Stage I Air Filter Kit - Stainless SteelFeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system,...

Arlen Ness #18-753 - Big Sucker™ Stage I Air Filter Kit - Stainless Steel

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually...

Arlen Ness #18-754 - Big Sucker™ Stage I Air Filter Kit - Black

Will Fit '88-'90 models; breather system is not applicable for these model years.For '91-'22 XL models with CV carb or Delphi EFI.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and...

Arlen Ness #18-755 - Big Sucker™ Stage I Air Filter Kit - Chrome

Big Sucker™ Stage I Air Filter Kit - ChromeFeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system,...

Arlen Ness #18-756 - Big Sucker™ Stage I Air Filter Kit - Chrome

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually...

Arlen Ness #18-758 Big Sucker Stage I Air Filter Kit - Brass

Big Sucker Stage I Air Filter Kit — Brass One-Piece aluminum backing plate with hidden breather technology Each hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system, eliminating the...

Arlen Ness #18-759 - Big Sucker™ Stage I Air Filter Kit - Chrome

Will Fit '88-'90 models; breather system is not applicable for these model years.For '91-'22 XL models with CV carb or Delphi EFI.FeaturesOne-Piece aluminum backing plate with hidden breather technologyEach hidden breather is O-ringed at the heads and...

Arlen Ness #18-764 - Big Sucker Stage 1 Outer Cover - Smooth - Brushed Stainless

Big Sucker Stage 1 Outer Cover - Smooth - Brushed StainlessFeaturesReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecsColor/FinishStainlessDesignSmoothBase ColorSilverMaterialStainless SteelModelBig...

Arlen Ness #18-767 - Big Sucker Stage 1 Outer Cover - Smooth - Carbon

Big Sucker Stage 1 Outer Cover - Smooth - CarbonFeaturesReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecsMaterialCarbon FiberProduct NameAir Cleaner CoverAir Cleaner ShapeRoundDesignSmoothBase...

Arlen Ness #18-768 - Big Sucker Stage 1 Outer Cover - Knuckle - Chrome

Big Sucker Stage 1 Outer Cover - Knuckle - ChromeFeaturesReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecsBase ColorSilverProduct NameAir Cleaner CoverAir Cleaner ShapeRoundModelBig...

Arlen Ness #18-769 - Big Sucker Stage 1 Outer Cover - Knuckle - Black

Big Sucker Stage 1 Outer Cover - Knuckle - BlackFeaturesReplacement and optional components for all Ness Billet Sucker and Big Sucker air filter kitsSpecsBase ColorBlackColor/FinishBlackUnitsEachMaterialCNC Billet AluminumAir Cleaner ShapeRoundModelBig...

Arlen Ness #18-783 - Big Sucker™ Stage II Air Filter Kit - Chrome

Will fit '88-'90 models also; breather system is not applicable for these model years.For '91-'22 XL models with CV carb or Delphi EFI.FeaturesFeatures a one-piece aluminum backing plate/carb support bracket with hidden breather technologyBreather...