Direct replacement Components to turn a street carburetor into a high-performance carb: get that extra perfomrance out of your ride in less than 30 minutes! Add up to 25-50 HP with PROFORM's 100% NEW, high-performance carburetor main body (no re-built components). Easy swap-in, swap-out installation utilizin existing metering blocks, fuel bowls, and base plate. Involves only 14 screws. Flows 750+ CFM. Has adjustable screw-in air bleeds, high-performance down-leg boosters. Get maximum air flow with no air horn, choke tower, or choke control. comes in clamshell package with instructions, all necessary non-stick replacement gaskets and high-performance jet kit. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley and Double Pumper are registered trademarks of Holley Performance Products, Inc. This product manufactured by Specialty Auto Parts USA, Inc. and it is not made by or endorsed by any other carburetor manufacturer.Pit Stop USA offers Proform Carburetor Main Body Holley 750 CFM Vacuum Secondary Carb 67101C at low everyday prices. Be sure to check out all of our products from ProForm including ProForm Main Bodies.