Fuel & Air

Arlen Ness #18-803 - Big Sucker™ Air Filter Kit - Natural - Stage I

Accepts Arlen Ness® Stage I round covers only.Will Fit '88-'90 models also; breather system is not applicable for these model years.FeaturesEach hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient...

Arlen Ness #18-818 - Big Sucker™ Stage II Air Filter Kit - Chrome

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesFeatures a one-piece aluminum backing plate/carb support bracket with hidden breather technologyBreather passages exit at the mouth of the carburetor/throttle body, creating a...

Arlen Ness #18-819 - Big Sucker™ Stage II Air Filter Kit - Chrome

Big Sucker™ Stage II Air Filter Kit - ChromeFeaturesFeatures a one-piece aluminum backing plate/carb support bracket with hidden breather technologyBreather passages exit at the mouth of the carburetor/throttle body, creating a virtually closed-loop...

Arlen Ness #18-820 - Big Sucker™ Stage II Air Filter Kit - Wrinkle Black

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.FeaturesFeatures a one-piece aluminum backing plate/carb support bracket with hidden breather technologyBreather passages exit at the mouth of the carburetor/throttle body, creating a...

Arlen Ness #18-821 - Big Sucker™ Stage II Air Filter Kit - Wrinkle Black

Big Sucker™ Stage II Air Filter Kit - Wrinkle BlackFeaturesFeatures a one-piece aluminum backing plate/carb support bracket with hidden breather technologyBreather passages exit at the mouth of the carburetor/throttle body, creating a virtually...

Arlen Ness #18-824 - Big Sucker™ Air Filter Kit - Natural - Stage I

Will fit 88-90 models also; breather system is not applicable for these model years.Accepts factory air cleaner cover only.FeaturesEach hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine...

Arlen Ness #18-825 - Big Sucker™ Air Filter Kit - Chrome - Stage I

Will fit 88-90 models also; breather system is not applicable for these model years.Accepts factory air cleaner cover only.FeaturesEach hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine...

Arlen Ness #18-826 - Big Sucker™ Air Filter Kit - Black - Stage I

Will fit 88-90 models also; breather system is not applicable for these model years.Accepts factory air cleaner cover only.FeaturesEach hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine...

Arlen Ness #18-827 Big Sucker Air Filter Kit - Natural - Stage I

Big Sucker Air Filter Kit Each 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 hardware Radius air inlet provides maximum...

Arlen Ness #18-901 - Clear Tear Air Cleaner Kit - Red

Clear Tear Air Cleaner Kit - RedFeaturesThe 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 allowing the rider to choose their preferred...

Arlen Ness #18-903 - Clear Tear Air Cleaner Kit - Blue

Clear Tear Air Cleaner Kit - BlueFeaturesThe 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 allowing the rider to choose their preferred...

Arlen Ness #18-904 - Clear Tear Air Cleaner Kit - Red

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.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 allowing the rider to...

Arlen Ness #18-911 - Clear Tear Air Cleaner Kit - Blue

For '01-'17 Twin Cam Delphi EFI and '99-'06 Twin Cam CV carb models.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 allowing the rider to...

Arlen Ness #18-914 - 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 #18-915 Inverted Series Air Cleaner Kit - Black

Inverted Series Air Cleaner Kit — Slot Track Forged billet aluminum backing plate features Big Sucker hidden breather technology and a radius air inlet for smooth airflow Forged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-916 - 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 #18-917 - 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 #18-918 - 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 #18-919 - 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 #18-920 - 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 #18-921 Inverted Series Air Cleaner Kit - Black

Inverted Series Air Cleaner Kit — Slot Track Forged billet aluminum backing plate features Big Sucker hidden breather technology and a radius air inlet for smooth airflow Forged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-922 - 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 #18-923 Inverted Series Air Cleaner Kit - Black

Inverted Series Air Cleaner Kit — Slot Track Forged billet aluminum backing plate features Big Sucker hidden breather technology and a radius air inlet for smooth airflow Forged billet air filter covers feature exposed design and a CNC inverted top...

Arlen Ness #18-925 - 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...