Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.910" Overall Length - (Set of 8) R090003XL 654" long for use with

654" long for use with Oldsmobile 455 with 1442-KIT rocker kit

high ∩ ¼Ã©ow requirements and extreme pressures

P15/P1500 Van 1974-1967

Pedal assembly does not have provisions for a clutch pedal

Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.500", 11/32" Stem Diameter, 4.910" Overall Length - (Set of 8) R090003XL 654" long for use withThe 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