Ferrea 5000 Series Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.910" Overall Length H776C08XS ensuring every polyurethane bushing fits

ensuring every polyurethane bushing fits your S197 perfectly

spoilers and replacing sharp edged fasteners inside cockpit

This adapters provides one 1/2" N

Dodge/GM/Toyota/Nissan 1987-2013

Ferrea 5000 Series Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.910" Overall Length H776C08XS ensuring every polyurethane bushing fitsThe 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