Arlen Ness Big Sucker Derby Cover Air Filter Kits
Derby Suckers accept any 5-hole derby cover for use as an air cleaner cover, allowing your intake to match your engine cover. One of the coolest, simplest ideas for air filter kits today. Our innovative hi-flow air filter accepts any five hole Twin Cam derby cover on the market. Choose Ness, HD or your favorite aftermarket design.
Unique air filter kits feature a five-hole mounting system, which allows Twin Cam derby covers (not included) to be bolted on as the outer cover
Includes a standard pre-oiled filter
Includes patented Ness hidden breather Big Sucker backing plates in either chrome or powder-coated black wrinkle finish
Note> Not for magna Marelli injection unless noted