Proform Carburetor Main Body Holley 850 CFM 4122SMLRD The stock control arm mounting

The stock control arm mounting position is fine for stock height vehicles

from the initial design

Forgot to install a fuel filter between the tank and your fuel pump

5 in Flange

Program an rpm limit that is ramped in during the launch

Proform Carburetor Main Body Holley 850 CFM 4122SMLRD The stock control arm mountingDirect 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 850+ CFM. Has adjustable screw in air bleeds, high