Ferrea Chevrolet BB 1.88in 11/32in 5.5in 15 Deg S-Flo Competition Plus Exhaust Valve - Set of 8

The Ferrea Chevrolet Big Block (BB) 1.88-inch diameter exhaust valves are high-performance components designed for serious engine builds. Crafted with precision, these valves feature a 1.88-inch (47.75mm) diameter, 11/32-inch stem, and measure 5.5 inches in length with a 15-degree S-Flo competition plus design. Built from durable materials to withstand high temperatures and aggressive use, they provide improved airflow and combustion efficiency. These valves are engineered to enhance engine performance, durability, and reliability in demanding applications, making them ideal for racing or high-performance street engines.

Designed specifically for Chevrolet Big Block engines, these valves are suitable for models with a 15-degree valve angle configuration. They are intended as direct replacements or upgrades for stock exhaust valves, offering increased flow and performance. The set of eight includes all necessary valves for a complete exhaust valve upgrade. Compatible with a range of Chevrolet Big Block engines, these valves are perfect for track use, high-performance builds, or restoration projects requiring precise fitment and reliable operation. Installation is straightforward for experienced engine builders familiar with valve replacement procedures.