Fuel & Air System

Arlen Ness #600-034 - Velocity 90° Air Cleaner Kit - Black

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesHidden breathers are o-ringed at the heads and exit at the mouth of the throttle body/carb to provide efficient engine breathing in a virtually closed loop...

Arlen Ness #600-035 - Velocity 90° Air Cleaner Kit - Chrome

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesHidden breathers are o-ringed at the heads and exit at the mouth of the throttle body/carb to provide efficient engine breathing in a virtually closed loop...

Arlen Ness #600-038 - Crossfire Air Cleaner - Black

Features an integrated oil-catch to ensure no oil reaches the air filter and restricts air flow.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and...

Arlen Ness #600-039 - Crossfire Air Cleaner - Black

Crossfire Air Cleaner - BlackFeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden breather backing plate technologyReduced intake height...

Arlen Ness #600-040 - Crossfire Air Cleaner - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden breather backing...

Arlen Ness #600-041 - Crossfire Air Cleaner - Black

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden...

Arlen Ness #600-042 - Crossfire Air Cleaner - Black

Features an integrated oil-catch to ensure no oil reaches the air filter and restricts air flow.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and...

Arlen Ness #600-043 - Crossfire Air Cleaner - Black

Crossfire Air Cleaner - BlackFeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden breather backing plate technologyReduced intake height...

Arlen Ness #600-044 - Crossfire Air Cleaner - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden breather backing...

Arlen Ness #600-045 - Crossfire Air Cleaner - Black

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden...

Arlen Ness #600-046 - Air Cleaner Replacement Window - Clear

Designed for Method & Sidekick air cleaners only.FeaturesClear Polycarbonate Windows designed for Arlen Ness Clear Series IntakesSpecsProduct NameAir CleanerUnitsEachAir Cleaner ShapeFlatModelReplacementRiding...

Arlen Ness #600-047 - Air Cleaner Replacement Window - Clear

Designed for Clear Tear & Crossfire air cleaners only.FeaturesClear Polycarbonate Windows designed for Arlen Ness Clear Series IntakesSpecsRiding StyleStreetUnitsEachDesignWindowMaterialPolycarbonateProduct NameAir CleanerAir Cleaner...

Arlen Ness #600-048 - Crossfire Air Cleaner - Chrome

Features an integrated oil-catch to ensure no oil reaches the air filter and restricts air flow.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and...

Arlen Ness #600-049 - Crossfire Air Cleaner - Chrome

Crossfire Air Cleaner - ChromeFeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden breather backing plate technologyReduced intake height...

Arlen Ness #600-050 - Crossfire Air Cleaner - Chrome

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden breather backing...

Arlen Ness #600-051 - Crossfire Air Cleaner - Chrome

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesFeatures a polycarbonate window to view the internal working of the air intake systemHigh-performance black pre-oiled air filter is reusable and washableHidden...

Arlen Ness #600-052 - Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - Black

Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Left - BlackFeaturesCNC-machined cover that hides the breather boltsSpecsProduct NameBreather Bolt CoverMaterialCNC-MachinedModelSidekickRiding...

Arlen Ness #600-054 - Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black

Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - BlackFeaturesCNC-machined cover that hides the breather boltsSpecsModelSidekickProduct NameBreather Bolt CoverColor/FinishBlackRiding...

Arlen Ness #600-058 - Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - Black

Replacement Breather Bolt Cover Plate - Inverted/Method/Clear Tear/Sidekick - Right - BlackFeaturesCNC-machined cover that hides the breather boltsSpecsModelMethod™Color/FinishBlackTypeRightProduct NameBreather Bolt CoverRiding...

Arlen Ness #600-068 - Monster Sucker® Air Cleaner - Black

Will not fit models with fairing lowers.FeaturesHidden breather technology for a reliable intake that enhances the performance of the engineHidden breathers are O-ringed at the heads and exits out the mouth of the throttle body to provide efficient...

Arlen Ness #600-069 - Monster Sucker® Air Cleaner - Black

Will not fit models with fairing lowers.FeaturesHidden breather technology for a reliable intake that enhances the performance of the engineHidden breathers are O-ringed at the heads and exits out the mouth of the throttle body to provide efficient...

Arlen Ness #600-070 - Monster Sucker® Air Cleaner - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.Will not fit models with fairing lowers.FeaturesHidden breather technology for a reliable intake that enhances the performance of the engineHidden breathers are O-ringed at the heads and...

Arlen Ness #600-071 - Monster Sucker® Air Cleaner - Black

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesHidden breather technology for a reliable intake that enhances the performance of the engineHidden breathers are O-ringed at the heads and exits out the mouth...

Arlen Ness #600-072 - Monster Sucker® Air Cleaner - Black

Will not fit models with fairing lowers.FeaturesHidden breather technology for a reliable intake that enhances the performance of the engineHidden breathers are O-ringed at the heads and exits out the mouth of the throttle body to provide efficient...