Upgrade your LS1 valvetrain with the Speedmaster DNA® Aluminum Roller Rocker Arms Set (PN 1-261-010). Featuring a 1.7 ratio design, these rocker arms are engineered to maximize valve lift and improve airflow for enhanced engine performance over stock components. The aluminum construction helps reduce reciprocating mass, while the roller tip design minimizes friction and wear on the valve stems for long-lasting, reliable operation.
Designed as a complete set for Chevy GM LS1 applications, these roller rocker arms offer a straightforward upgrade path for enthusiasts looking to extract more power from their LS1 engine. Whether you're building a street performer or a dedicated track car, the Speedmaster DNA® series delivers a quality valvetrain solution backed by the brand's commitment to performance engineering.