Ferrea 6000 Series Exhaust Valve - 1.570" Head - 0.313" Stem Diameter - 4.915" Long - Small Block Chevy 1311114 Holley 4150 Model

Holley 4150 Model

1/4-20 in Thread

Viscosity typical of 5W-20

Brinn Pro 2

Simply drill the correct size hole

Ferrea 6000 Series Exhaust Valve - 1.570" Head - 0.313" Stem Diameter - 4.915" Long - Small Block Chevy 1311114 Holley 4150 ModelProduct Description: Exhaust Valve 6000 Series 1. 570 in Head 0. 313 in Stem Diameter 4. 915 in Long Small Block Chevy Sold Individually 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