Carburetor Main Body For Use With Holley 850 CFM Double Pumper Model Carb Proform Engine Push Rod Slotting Tool These units offer calibrated advance

These units offer calibrated advance curves that are optimized for maximum combustion efficiency and for the elimination of detonation damage and throttle ping

For Center Hung Float Bowls Only

Chrome Finish One-Piece Design

And Pontiac Engine Crankshafts

One Measures 2 to 3 Inch Range In

Carburetor Main Body For Use With Holley 850 CFM Double Pumper Model Carb Proform Engine Push Rod Slotting Tool These units offer calibrated advanceNow made of ALUMINUM! Direct replacement components to turn a street carburetor into a high performance carb. Get that extra performance out of your ride in less than 30 minutes! Add up to 25 50 HP with the PROFORM 100 percent NEW, high performance carburetor main body with No re built components. Easy swap in, swap out installation utilizing existing metering blocks, fuel bowls, and baseplate. Involves only 14 screws. Has adjustable screw in air