Ferrea Pontiac 400/428/455 1.66in 5.23in 12 Deg S-Flo 6000 Series Exhaust Valve - Set of 8

These Ferrea 6000 Series exhaust valves feature a 1.66-inch diameter face and a 5.23-inch overall length, designed with a 12-degree seat angle. They are built for Pontiac 400, 428, and 455 cubic inch engines, offering a well-built component for your engine's top end.

The S-Flo design is a notable feature, intended to improve airflow into the combustion chamber. This design, combined with the specific dimensions and seat angle, helps ensure efficient operation. Ferrea uses high-grade materials in their 6000 Series valves, aiming for durability and consistent performance under the stresses of engine operation. This set includes eight valves, enough for a complete V8 engine.

When rebuilding or upgrading your Pontiac V8, choosing the right valvetrain components is key. These Ferrea valves are a solid option for those looking for a specific fit and improved airflow characteristics for their classic Pontiac engine.