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The Ferrea 6000 Series exhaust valve set for Chevrolet small-block applications is sold as a set of eight and provides stock-dimension exhaust geometry. Each valve measures 1.60 inches at the head with an 11/32-inch stem and a 4.91-inch overall length plus a 0.25-inch margin and a 12-degree flow profile. These matched valves suit rebuilds needing reliable exhaust seating and consistent valve train fit.
Ferrea Chevy SB 1.6in 11/32in 4.91in 0.25in 12 Deg Flo Stk 6000 Series Exhaust Valve - Set of 8
