Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) Battery 1979-1993 GMC K1500 Suburban

1979-1993 GMC K1500 Suburban

69 in Diameter

install the new nut and adjust the valves as necessary

HIGH FLOW POWER PLUS SERIES TWIN 62MM THROTTLE BODY INCREASES AIRFLOW TO IMPROVE HORSEPOWER AND THROTTLE RESPONSE OVER STOCK

Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) Battery 1979-1993 GMC K1500 SuburbanThe 5000 Series Valves have become the alternative for performance engine builders that use competitors "street" or "performance valve". These valves are produced in Ferrea's CNC centers allowing tight tolerances and cost effective design. They feature a one piece forging made from stainless steel, a special heat treatment process, hard chrome stems, and hard tip. Most applications are available in an undercut stem and dished head, while other