Ferrea 6000 Series Valve Stainless Exhaust 1.810" Head 11/32" Valve Stem 4.930" Long - Mopar B/RB-Series - Set of 8 BR40063 Both manifolds accept standard restrictor

Both manifolds accept standard restrictor plates and carb adapters

Includes the following installation hardware: NPT male brass adapter for pressure gauge

Alpinestars is always looking for new ways to improve driver safety and increase protection

Convert Holley carburetors with 7/8"-20 threads

6 x 7 in Base

Ferrea 6000 Series Valve Stainless Exhaust 1.810" Head 11/32" Valve Stem 4.930" Long - Mopar B/RB-Series - Set of 8 BR40063 Both manifolds accept standard restrictorProduct Description: Exhaust Valve 6000 Series 1. 810 in Head 11 32 in Valve Stem 4. 930 in Long Stainless Mopar B RB 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