Ferrea Chevy/Chry/Ford SB 2.2in 11/32in 5.34in 0.29in 12 Deg +.400 Ti Comp Intake Valve - Set of 8

This set includes eight Ferrea F1666 titanium compound intake valves, designed for Chevy, Chrysler, and Ford small block engines. Each valve measures 2.2 inches in diameter with a 11/32 inch stem and a total length of 5.34 inches. The +.400 length designation indicates these valves are extended by 0.400 inches compared to a standard length, which is often necessary when using certain camshafts or cylinder head combinations to ensure proper valve train geometry and clearance.

These valves are constructed with a titanium compound, a material known for its strength and light weight. This combination helps reduce valve float at high RPMs and lessens the stress on the valve springs and valvetrain components. The 12-degree valve seat angle is a common specification that works well with many performance cylinder heads, promoting good sealing and efficient combustion. The tip measures 0.29 inches, which is important for compatibility with various rocker arm styles.

When rebuilding or upgrading a performance engine, especially one that will see higher RPMs or more aggressive camshaft profiles, using valves like these can make a notable difference in reliability and performance. They are a solid option for builders looking to optimize their engine's top end. Always ensure you have the correct valve spring installed to match the valve weight and operating RPMs for optimal performance and longevity.