1.6 Ratio Roller Rocker Arms

The Summit Racing SUM-G6920B is a set of 16 full roller rocker arms, engineered for performance and durability in Chevrolet Small Block engines. These rocker arms are CNC-machined from high-strength extruded aluminum, ensuring a robust yet lightweight component. The heat-treated construction further enhances their reliability, making them a dependable choice for engine builds. Designed with a 1.6 ratio and a 3/8 inch stud size, these rocker arms are self-aligning, simplifying installation and ensuring proper valve train geometry. They are proudly made in the USA, reflecting a commitment to quality manufacturing. Each set includes all 16 necessary rocker arms for a complete engine application. These aluminum roller rocker arms are a direct fit for applications requiring a 3/8 in. stud size. The extruded aluminum construction contributes to reduced valvetrain mass compared to heavier steel components, potentially allowing for higher engine speeds and improved performance.