Edelbrock Performer Series carburetors are an ideal replacement for stock or mild street applications. They're calibrated for optimum performance in small-block and big-block engines that operate in the idle to 5,500 rpm range. Several options are available with calibrations for maximum fuel economy, off-road, to high performance for the street or track. Performer Series carburetors are ideal for passenger cars, trucks, 4x4s and RV's. Match with an Edelbrock Performer, Performer RPM, RPM Air-Gap and Torker intake manifold for the ultimate Edelbrock induction setup. Carburetors are available in 500 cfm, 600 cfm, 750 cfm and 800 cfm.