Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 1.940", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) 2020004 This kit is designed for

This kit is designed for use with a 3" diameter axle tube

1997-2003 FORD F150

Overboost protection and programmable alarms

1987-1998 Ford E-350 Econoline

060" shorter than factory length for '68-'85 Ford 255-302

Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 1.940", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) 2020004 This kit is designed forThe 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