Ness-Tech Stage II Big Sucker Air Filter Kit with Chrome Backing Plate. Ness-Tech Product 18-502.
Source: Custom Chrome
Higher performance set-up flows 20% more air than the Stage 1 Big Sucker through the larger filter. All-in-one aluminum backing plate features built-in carb support. Breather tunnels at each head to decrease crankcase pressure. Includes the backing plate, high-flow air filter, four chrome banjo bolts, and all necessary hardware.