Less than a comparable zinc carburetor. This model of carburetor has the square bore flange bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor.
Holley Carburator 750 CFM Model R84018
Base plate for Holley 4779 750 cfm Double Pumper Carb Made in USA
0-80508S For Holley Carburetor 750 CFM Electric Choke Vacuum Secondaries
Holley 4779 750 CFM IMCA UMP WISSOTA LMS ASA Rat Rod NHRA IHRA DIRT K&N NASCAR
Holley 0-3310S 750 CFM Classic Holley Carburetor
For Holley Quickfuel Brawler 750 CFM Double Pumper 4 Barrel Carburetor E-Choke