ARLEN NESS BIG SUCKER AIR FILTER KIT

All-in-one backing plate features a built-in carb support, built-in breather tunnels at each head to decrease crankcase pressure. Breather features O-ring banjo bolt seals and a radiused air horn, no oil hoses, no oil fittings. Stage 1 Kit - includes Hi-Flow filter that accepts ALL 93-present oval or round OEM outer air cleaner covers. Kit include: a “Big Sucker” aluminum backing plate, Hi-Flow air filter, 4 chrome banjo bolts for Twin Cam 88 and 93-up Evolution Big Twin and all necessary hardware.