600 CFM, ELECTRIC CHOKE CARBURETORS (CALIBRATED FOR PERFORMANCE) Designed and calibrated for optimum marine performance in small-block V8 engines with a variety of manifolds that include Edelbrock Performer, Performer RPM, RPM Air-Gap, Torker II and other brands of similar design. Also ideal for Chevy 4.3L V6 engines with a Performer manifold (see Manifold Section) and Calibration Kit #1485. Comes with: Metering Jets - Primary .098, Secondary .101; Metering Rods - .068 x .047; Step-Up Spring - orange (5" Hg). These carburetors feature venturi diameters of 1-3/16" for the primary's and 1-9/16" for the secondary's. Throttle blade diameters are 1-7/16" for the primary's and of 1-11/16" diameter for the secondary's.
