Description

Features; Designed & calibrated for optimum street performance in high-horsepower small-block & big-block engines. Includes both timed & vacuum ports, mechanical choke, single/dual inlet fuel supply, metering jets- primary- .104?, secondary .104?, metering rods- .065? x .052?, step up spring- orange 5? hg. Rebuild kit BY1477. Tuning kit BY1949. BY1912 800cfm AVS2 mechanical choke square bore