SBC 220 Sport Comp Shaft R/A Kit 1.60/1.60 Ratio

The SBC 220 Sport Comp Shaft R/A Kit 1.60/1.60 Ratio from T AND D MACHINE is a precision rocker arm assembly designed for small-block Chevy engine builders seeking performance gains with stock or near-stock cylinder head configurations. This kit is suitable for various street and strip applications where reliable valve actuation across the RPM band is essential for performance.

Engineered from quality materials, the rocker arm assembly is precision-ground to tight tolerances, ensuring consistent valve timing and minimizing flex and deflection compared to budget alternatives. The matched 1.60:1 rocker arm ratio on both intake and exhaust sides provides a balanced mechanical advantage that enhances camshaft lift without requiring excessive spring pressures, which can compromise longevity.

This kit is optimized for applications using standard 1.50-inch diameter pushrods and is compatible with most aftermarket and OEM cylinder head designs. Builders looking to enhance their small-block combinations will find this SBC 220 Sport Comp Shaft R/A Kit to be a reliable choice for improved performance and efficiency.