Edelbrock 1412 800 CFM Manual Choke Carburetor Designed and calibrated for serious street high-performance engines Easy to adjust, out-of-the-box performance with no ''failure-prone'' power valves Well equipped with a high-capacity accelerator pump and high-lift boosters No plastic parts to break and no power valves to blow out Comes with 113 primary metering jets, 101 secondary metering jets and 0.071 x 0.047 metering rods