Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) 6030BK A urethane plug is also

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

The most aerodynamic nose available today

Camshaft Thrust Plate Bolts / Head Dowels / Oil Galley Plugs / Woodruff Key

1989-1998 Nissan 240SX

Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) 6030BK A urethane plug is alsoThe 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