One order contains 2 Idle mixture screws,2 pcs matching spring 1965-1975 Rochester 2G CarburetorsRochester Monojet Carburetors Rochester 4G Carburetors Rochester Quadrajet Carburetors Full CNC machining ensures uniform Idle mixture screws If you can provide drawings, then we can provide you with custom processing dle mixture screw for repair replacement Rochester carburetor Monojet carburetor For Chevrolet Engine Models 350/5.7L 1970-1980 For Chevrolet Engine Models 400/6.6L 1970-1975 |