Ferrea Chevy/Chry/Ford BB 1.9in 11/32in 5.425in 22 Deg Tulip +.100 Ti Comp Exhaust Valve - Set of 8

These Ferrea Comp exhaust valves are made from titanium, a material chosen for its strength and light weight, which is crucial for high-performance engine builds. The 1.9-inch head diameter and 5.425-inch overall length are specific dimensions designed to fit Big Block Chevy, Chrysler, and Ford engines, particularly those looking to improve airflow and valve train stability at higher RPMs.

The 22-degree tulip seat angle is a design choice that helps create a more efficient seal against the valve seat, reducing the chance of leaks and improving combustion. Each valve is also +.100 inch longer than stock, which is often necessary when using different camshaft profiles or cylinder head porting that alters valve train geometry. This added length ensures proper valve train geometry and clearance, preventing interference issues. The 11/32-inch stem diameter is a common size that works with many popular valve guides and spring setups.

This set includes eight valves, enough for a complete V8 engine. Ferrea is known for producing well-built internal engine components, and these valves are intended for builders who are serious about maximizing their engine's performance and durability. When installing, always refer to your engine's specific service manual for correct valve spring pressures and installation procedures to ensure optimal performance and longevity.