Ferrea 6000 Series Valve Stainless Exhaust 1.600" Head 5/16" Valve Stem 5.015" Long - GM LS-Series - Set of 8 R080003YL 1994-2007 Ford F-150

1994-2007 Ford F-150

With seven layers of progressively finer mesh cotton gauze/synthetic media between 100-percent polyurethane top and base

2005-2008 GMC Envoy

The knurled retaining nut actually sandwiches the degree wheel and holds it in place

Ferrea 6000 Series Valve Stainless Exhaust 1.600" Head 5/16" Valve Stem 5.015" Long - GM LS-Series - Set of 8 R080003YL 1994-2007 Ford F-150Product Description: Exhaust Valve 6000 Series 1. 600 in Head 0. 313 in Valve Stem 5. 015 in Long Stainless GM LS Series Set of 8 Ferrea Racing Components are engineered to excellence! For decades, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve programs for