Ferrea 5000 Series Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 4.910" Overall Length 741021 Install the system yourself in

Install the system yourself in a few hours with the help of a fully illustrated easy-to-follow installation manual

27 in Compressed / 11

1957-1957 Oldsmobile

1 1/4-inch DOM Steel

Ferrea 5000 Series Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 4.910" Overall Length 741021 Install the system yourself inThe 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