Upgrade your LS1 valvetrain with the Speedmaster DNA® Aluminum Roller Rocker Arms Set (PN 1-261-011). Featuring a 1.8 ratio design, these rocker arms are engineered to increase valve lift over stock, helping unlock additional horsepower and torque from your GM LS1 engine. The aluminum construction keeps rotating mass light while the roller tip reduces friction and wear on the valvetrain for improved durability and consistent performance.
Designed as a direct-fit set for GM LS1 applications, these Speedmaster roller rockers are a straightforward upgrade for enthusiasts looking to enhance valvetrain efficiency without extensive modification. Whether you're building a street performance or track-ready LS1, this set delivers a reliable, performance-focused solution backed by Speedmaster's DNA® line of engine components.
