Upgrade your Chevy GM LS1 valvetrain with the Speedmaster DNA® Aluminum Roller Rocker Arms Set (PN 1-261-022). Featuring a 1.7 rocker ratio and a shaft-mount design, these rocker arms are engineered to deliver improved valve lift and more consistent valvetrain geometry compared to stock, helping unlock additional power and throttle response from your LS1 engine.
Constructed from aluminum for a lightweight, performance-oriented build, these roller rocker arms are designed as a complete set for straightforward installation on compatible Chevy GM LS1 applications. The roller tip design helps reduce friction at the valve stem interface, promoting smoother operation and improved durability under demanding performance conditions.