650 CFM OFF-ROAD AVS

Designed and calibrated for optimum off-road performance in small-block and some big-block engines. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, Performer RPM, RPM Air-Gap and other brands of similar design. Includes spring-loaded needles and seats for superior fuel control in off-road terrain. Includes: Metering Jets - Primary .095, Secondary .098; Metering Rods - .065 x .047; Step-Up Spring - Orange (5" Hg).