14" diameter with 3" high filter to fit 4 bbl. carbs. with 5-1/8" or 7-5/16" diameter necks. Offers the racer maximum air flow with only 2-1/2" stack height above the carburetor lip.
Dyno tests report S/B's using Moroso air cleaners can produce 10 more horsepower than with other air cleaners.