Jet Pontiac Quadrajet Carburetor, Stage 2, 800 CFM, JET-32102

The bodies used are later model with later model linkage and electric choke. To use in older applications you may need to adapt or upgrade your throttle cable. A Stage 2 has all of the features of a Stage 1 plus features fully re-calibrated idle, off idle, main, accelerator pump and high speed circuits to match any modifications done to the engine such as intake manifold, headers, ignition or mild cam change. A Stage 2 features improved idle quality, instant throttle response and maximum torque and horsepower. Compression ratio 8.5 – 9.5.1 mild porting. Camshaft Spec: Duration @.050 Min 210 Max 220 degrees. Built for Pontiac Engines sizes 350, 400 & 455 with later model linkage. Can also be used on 389 421 and 428 but will convert linkage to later model style.