Ferrea Pro Stock .309in .502 OD 3.500 Length .625 x .800 ID Exh/Int Valve Guide - Single (D/S Only)

Ferrea is known for making high-performance valvetrain components, and this Pro Stock valve guide is a good example of their work. This guide is designed for engine builds where precise valve movement is critical. It's a single guide, intended for either exhaust or intake use, and features a specific .309-inch inner diameter and .502-inch outer diameter, with a length of 3.500 inches. The internal dimensions are .625 x .800 inches, ensuring a snug fit for the valve stem.

This guide is a well-built component that helps maintain proper valve alignment within the cylinder head. Correct alignment is essential for preventing valve sealing issues and ensuring consistent engine performance. Its dimensions are chosen to work with many Pro Stock applications, offering a solid option for builders looking for reliable valvetrain parts.