Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.910" Overall Length - (Set of 8) H768001 Dual 10 AN Female O-Ring

Dual 10 AN Female O-Ring Inlet

Made of Energy's Hyper-Flex(TM) performance polyurethane which lasts 5 -10 times longer than conventional rubber components

Features Corsa High Flow Drytech No Oil Filtration

Nissan SX 1995-1998

Blue Anodized

Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.910" Overall Length - (Set of 8) H768001 Dual 10 AN Female O-RingThe 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