The Stage II Big Sucker is a slightly larger Air Filter for those high horsepower Harley Davidsons.  This air cleaner uses a taller filter element to allow more air flow if the engine can use it.  Recommended for 100+ horsepower engines.

Our all-in-one backing plate features a built-in carb support and built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mount of the carburetor to create a virtually closed-loop system. Breather features o-ring banjo bolt seals and a radiused intake manifold. No oil hoses, no oil fittings, no leaking and no mess!

Stage I kit features a Team-Ness High-Flow filter that accepts all 1993 and up oval or round OEM outer covers. Stage II kit features a 20% larger Team-Ness High-Flow filter that requires an 8" round Ness or OEM outer cover. engines.