Innovative performance from the minds at Arlen Ness
Unique air filter design includes a 5-hole mounting system that allows you to bolt on your favorite Twin Cam derby cover for endless design possibilities (cover not included)
Pre-oiled filters are available in 2 variations: Standard or the new SS stainless steel jacketed configurations
All kits include patented hidden breather Big Sucker backing plates in chrome or powder-coated black wrinkle finish
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