All-in-one backing plate features a built-in carb support, built-inbreather tunnels at each head to decrease crankcase pressure
Each tunnel exits at the mouth of the carburetor to create a virtually closedloop system
Breather features O-ring banjo bolt seals and a radiused intake manifold, no oil hoses, no oil fittings, no leaking
Stage I kit features a Ness-Tech™ high-flow filter that accepts all 93-05 oval or round O.E.M. outer cover
Stage II kit features a 20% larger Team Ness high-flow filter that requires an 8” round custom or O.E.M. outer cover
Kits include a “Big Sucker” aluminum backing plate, Team Ness high flow air filter, 4 chrome banjo bolts for Twin Cam 88™ and 93-Up Evolution Big Twin, simple instructions and all necessary hardware
Note: Sportster Big Suckers require use of Arlen Ness 8” diecast air cleaner cover.
