EMPI Aluminum Pro Velocity Stacks, 3 1/2" H x 3 7/8" W on Top, Pair 48 IDA

EMPI's spun aluminum pro stacks use a race proven design to maximize airflow and velocity. Designed to mount just like the originals with no modifications of the carburetor required. Pro Velocity Stacks are not compatible with EMPI King Kong air cleaners.