Fuel & Air System

Arlen Ness #18-982 - Inverted Series Air Cleaner Kit - Chrome

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed...

Arlen Ness #18-983 - Inverted Series Air Cleaner Kit - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed...

Arlen Ness #18-984 - Inverted Series Air Cleaner Kit - Chrome

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers...

Arlen Ness #18-985 - Inverted Series Air Cleaner Kit - Black

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers...

Arlen Ness #18-986 - Inverted Series Air Cleaner Kit - Chrome

Inverted Series Air Cleaner Kit - ChromeFeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-987 - Inverted Series Air Cleaner Kit - Black

Inverted Series Air Cleaner Kit - BlackFeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-988 - Clear Tear Air Cleaner Kit - Chrome

Will Fit '88-'90 models also; breather system is not applicable for these model years.FeaturesThe Clear Tear air cleaner series brings the timeless teardrop shape to a new levelRadius window can be installed in both the front or back facing direction...

Arlen Ness #18-989 - Clear Tear Air Cleaner Kit - Chrome

Clear Tear Air Cleaner Kit - ChromeFeaturesBreather design is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubesRadius window can be installed in both the front or...

Arlen Ness #18-990 - Inverted Series Air Cleaner Kit - Chrome

Inverted Series Air Cleaner Kit - ChromeFeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-991 - Inverted Series Air Cleaner Kit - Black

Inverted Series Air Cleaner Kit - BlackFeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-992 - Inverted Series Air Cleaner Kit - Chrome

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed...

Arlen Ness #18-993 - Inverted Series Air Cleaner Kit - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed...

Arlen Ness #18-994 - Inverted Series Air Cleaner Kit - Chrome

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers...

Arlen Ness #18-995 - Inverted Series Air Cleaner Kit - Black

Will fit '88-'90 models also; breather system is not applicable for these model years.FeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers...

Arlen Ness #18-996 - Inverted Series Air Cleaner Kit - Chrome

Inverted Series Air Cleaner Kit - ChromeFeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-997 - Inverted Series Air Cleaner Kit - Black

Inverted Series Air Cleaner Kit - BlackFeaturesForged billet aluminum backing plate features Big Sucker™ hidden breather technology and a radius air inlet for smooth airflowForged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-998 - Clear Tear Air Cleaner Kit - Black

Will Fit '88-'90 models also; breather system is not applicable for these model years.FeaturesThe Clear Tear air cleaner series brings the timeless teardrop shape to a new levelRadius window can be installed in both the front or back facing direction...

Arlen Ness #18-999 - Clear Tear Air Cleaner Kit - Black

Clear Tear Air Cleaner Kit - BlackFeaturesBreather design is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubesRadius window can be installed in both the front or back...

Arlen Ness #50-291 - Big Sucker™ Stage I Air Filter Kit - Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 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 the need for any external hoses or...

Arlen Ness #50-330 - Big Sucker™ Stage I Air Filter Kit - Chrome

Big Sucker™ Stage I Air Filter Kit - ChromeFeaturesEach 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 hardwareRadius air inlet...

Arlen Ness #50-331 - 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 #50-332 - Big Sucker™ Stage I Air Filter Kit - Chrome

For '93-'99 Evolution Big Twin models with CV carb.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 hardwareRadius air...

Arlen Ness #50-334 - 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.FeaturesEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient...

Arlen Ness #50-335 - Big Sucker™ Stage I Air Filter Kit - Wrinkle Black

Big Sucker™ Stage I Air Filter Kit - Wrinkle BlackFeaturesEach 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 hardwareRadius air...