PBP SD-1 - For Street Demon® carburetors 625-750 cfm Works with: All 4150 and

Works with:  All 4150 and 4160 Quick Fuel Technology®

For a mechanical secondary with 2 accel pump nozzles - order 2 PLATEs

Thunder Series AVS® and AVS2 Series carburetors with 500-650 CFMs

Must use "Straight" accelerator pump discharge nozzle and screw assemblies

PBP SD-1 - For Street Demon® carburetors 625-750 cfm Works with: All 4150 andEach Street Demon carburetor requires only 1 part #PBP SD 1 Must use "Straight" accelerator pump discharge nozzle and screw assemblies. (Not designed to work with the "tube style" or "anti pullover" nozzles.) Works with all sizes of Street Demon model carburetors running Demon "Straight" nozzles.