You are buying Proform 67100C Aluminum Carburetor Main Body for Holley 4150 -
Main Body do work on Holley 650 CFM (#4777), 700 CFM 750 CFM (#4779)& 800 CFM with Mechanical Secondary (4150 Style Holley) -
Flows Up to 870 CFM -
40% Lighter than Zink (Save 2lb) -
Adds up to 25-50 hp in less than 30 minutes. -
No Air Horn, No Chocke Tower or Chocke Control -
High Performance Down-Leg Boosters Part#67100C | | |