Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 2.080", 11/32" Stem Diameter, 5.010" Overall Length - (Set of 8) Helmet Peak it is because the tear

it is because the tear off or adhesive is blocking the UV light

Air Boss 8' Chute with Launcher

E85 / Gas / Diesel

1967-1974 Chevrolet C20 Pickup

1997-2009 GMC Savana 3500

Ferrea 5000 Series Hi Performance Intake Valve - SB Chevy - 2.080", 11/32" Stem Diameter, 5.010" Overall Length - (Set of 8) Helmet Peak it is because the tearThe 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