Ferrea Pontiac 400/428/455 1.77in 11/32in 5.11in 12 Deg S-Flo 6000 Series Exhaust Valve - Set of 8

Ferrea is well-known for making strong internal engine components, and these 6000 Series S-Flo exhaust valves are a prime example. If you're rebuilding the top end of your Pontiac 400, 428, or 455 engine, these valves are built to handle the demands of performance applications.

Each valve features a 1.77-inch head diameter and a 0.340-inch (11/32-inch) stem diameter, with an overall length of 5.11 inches. The 12-degree S-Flo design helps improve airflow into the cylinder, which can lead to better performance. They are constructed from durable materials designed for longevity in high-performance Pontiac V8s.

This set includes eight exhaust valves, enough for a complete engine. When rebuilding your Pontiac V8, using well-built components like these Ferrea valves is key to achieving reliable power.