Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) 6030BK Anti-Submarine Belt pull-up adjustable strap

Anti-Submarine Belt pull-up adjustable strap measures 34-1/2" long

A urethane plug is also included if you wish to block off the auxiliary air inlet

The most aerodynamic nose available today

525 lb/in front

Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) 6030BK Anti-Submarine Belt pull-up adjustable strapThe 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