Chrome finish. Compact in design with a 4-1/2" taper and a 22ř forward angle for more leg clearance. Comes with a CNC machined base and radiused top cover. Complete with a high flow 4-layers pre-oiled black premium cotton filter element with all necessary gaskets; o-rings and installation hardware. Note: Breather design is o-ringed at the heads; passes through the backing plate and is placed inside the mouth of the throttle body. This eliminates external breather hoses so nothing will be taken away from the clean look. Note: Not compatible with the stage 4 64mm throttle body.

All black anodized finish. Compact in design with a 4-1/2" taper and a 22ř forward angle for more leg clearance. Comes with a CNC machined base and radiused top cover. Complete with a washable high flow 4-layers pre-oiled black premium cotton filter element with all necessary gaskets; O-rings and installation hardware. Note: Breather design is o-ringed at the heads; passes through the backing plate and is placed inside the mouth of the throttle/carburetor body. This eliminates external breather hoses so nothing will be taken away from the clean look. Note: Not compatible with the stage 4 64mm throttle body.

All black finish. A contemporary teardrop shaped air cleaner assembly. The back plate of this filter is CNC machined from cold forged aluminum for a maximum in strength. The open filter cover offers a maximum Rough Crafts design; a minimum in weight and a maximum in breathing capabilities. The filter element is USA made of a special synthetic material that offers better water resistance and will not require oiling; just cleaning. Compatible with stock to high performance engines. Note: The breather design used is the patented Arlen Ness Big Sucker design. Breathers are o-ringed at the heads; pass through the backing plate and proprietary shooter tubes are placed inside the mouth of the throttle/carburetor body. This allows a perfect breathing action and effectively eliminates all external breather hoses for the ultimate in clean looks.

A contemporary teardrop shaped air cleaner assembly. The back plate of this filter is CNC machined from cold forged aluminum for a maximum in strength. The open filter cover offers a maximum Rough Crafts design; a minimum in weight and a maximum in breathing capabilities. The filter element is USA made of a special synthetic material that offers better water resistance and will not require oiling; just cleaning. Compatible with stock to high performance engines. Note: The breather design used is the patented Arlen Ness Big Sucker design. Breathers are o-ringed at the heads; pass through the backing plate and proprietary shooter tubes are placed inside the mouth of the throttle/carburetor body. This allows a perfect breathing action and effectively eliminates all external breather hoses for the ultimate in clean looks.

A contemporary round shaped air cleaner assembly. The back plate of this filter is CNC machined from cold forged aluminum for a maximum in strength. The open filter cover offers a maximum Rough Crafts design; a minimum in weight and a maximum in breathing capabilities. The filter element is USA made of a special synthetic material that offers better water resistance and will not require oiling; just cleaning. Compatible with stock to high performance engines. Note: The breather design used is the patented Arlen Ness Big Sucker design. Breathers are o-ringed at the heads; pass through the backing plate and proprietary shooter tubes are placed inside the mouth of the carburetor/throttle body. This allows a perfect breathing action and effectively eliminates all external breather hoses for the ultimate in clean looks.

A contemporary round shaped air cleaner assembly. The back plate of this filter is CNC machined from cold forged aluminum for a maximum in strength. The open filter cover offers a maximum Rough Crafts design; a minimum in weight and a maximum in breathing capabilities. The filter element is USA made of a special synthetic material that offers better water resistance and will not require oiling; just cleaning. Compatible with stock to high performance engines. Note: The breather design used is the patented Arlen Ness Big Sucker design. Breathers are o-ringed at the heads; pass through the backing plate and proprietary shooter tubes are placed inside the mouth of the throttle/carburetor body. This allows a perfect breathing action and effectively eliminates all external breather hoses for the ultimate in clean looks.

Black anodized; with a Contrast Machined finish. A forged billet air cleaner featuring unmistakable Ness looks. Includes a pre-oiled black cotton air filter element; which is washable; for best filtration and a non-restrictive air flow. The Arlen Ness ''Next generation'' patented backing plate; with internal breathers; give the filter and engine a clean and unobstructed look. The clear polycarbonate window allows you to see straight into the throttle body of the running engine. Expect a better seating position since the angled outer side of the air cleaner offers improved legroom. Kit includes all gaskets and hardware required for installation. Note: An optional rain sock / pre-filter is available as 590442.

With an all black anodized finish. A forged billet air cleaner featuring unmistakable Ness looks. Includes a pre-oiled black cotton air filter element; which is washable; for best filtration and a non-restrictive air flow. The Arlen Ness ''Next generation'' patented backing plate; with internal breathers; give the filter and engine a clean and unobstructed look. The clear polycarbonate window allows you to see straight into the throttle body of the running engine. Expect a better seating position since the angled outer side of the air cleaner offers improved legroom. Kit includes all gaskets and hardware required for installation. Note: An optional rain sock / pre-filter is available as 590442.

Chrome plated finish. A forged billet air cleaner featuring unmistakable Ness looks. Includes a pre-oiled black cotton air filter element; which is washable; for best filtration and a non-restrictive air flow. The Arlen Ness ''Next generation'' patented backing plate; with internal breathers; give the filter and engine a clean and unobstructed look. The clear polycarbonate window allows you to see straight into the throttle body of the running engine. Expect a better seating position since the angled outer side of the air cleaner offers improved legroom. Kit includes all gaskets and hardware required for installation. Note: An optional rain sock / pre-filter is available as 590442.