Rocker Shaft - .625 x 4.320 OAL

The T AND D MACHINE Rocker Shaft — .625 x 4.320 OAL (part number 0202) is a precision steel component designed for high-performance engine rocker arm assemblies. This shaft is specifically engineered to provide the critical pivot point for rocker arm geometry in performance and racing engine builds. It is ideal for engine builders and performance enthusiasts looking to enhance their small-block engine valvetrains.

Measuring 0.625 inches in outside diameter with a 4.320-inch overall length, this rocker shaft is constructed from high-quality steel, ensuring durability and fatigue resistance under variable loads. The precise dimensions are crucial for maintaining rocker arm geometry, which is essential for consistent valve actuation during engine operation. This shaft is built to withstand thousands of open-close cycles, making it a reliable choice for performance applications.

Engine builders and restoration shops will find this rocker shaft particularly beneficial for upgrading or rebuilding small-block engine valvetrains. It supports configurations that demand durability and repeatability, making it suitable for street performance, circle track racing, and classic car restoration. The T AND D MACHINE Rocker Shaft is designed to fit standard rocker arm bore sizes, ensuring compatibility with various engine platforms.