The Moroso 4150/4160 carburetor spacer is an open-plenum, 2-inch cast aluminum spacer for 4150/4160-style carburetors. It provides a substantial increase in plenum height with cast aluminum construction and an open plenum profile, intended for tuners needing a two-inch cast spacer for 4150/4160 flange applications.
Moroso 4150/4160 Carburetor Spacer - Open Plenum - 2in - Cast Aluminum