CarburetorEdelbrock VRS 4150 Race & Performance Carburetor #1308 850 CFM is street friendly but race ready. The one piece, cast aluminum body fits all 4150 and 4500 carb flange manifolds without requiring an adapter plate. A street throttle arm, Moly coated throttle shafts and built in provisions for a standard GM three wire TPS mount add features to this carburetor that are ideal for any user. Multiple vacuum hook ups keep this carburetor usable on the street