50-state street legal for all 1980 and earlier General Motors V8s (E.O. #D-215-10). Calibrated for maximum fuel economy. Includes timed vacuum ports, EGR and fuel vapor outlet. Not for computer- controlled engines. Comes with the following jets, rods and springs: Metering Jets � Primary .098, Secondary .095; Metering Rods � .073 x .047; Step-Up Spring � orange (5" Hg). Includes carb studs and hardware.