Upgrade your LS1 or LS6 engine with the Speedmaster PCE261.1130 aluminum shaft rocker arm set, featuring a 1.7 rocker ratio designed to optimize valve lift and improve overall engine breathing. The lightweight aluminum construction helps reduce valvetrain mass for improved high-RPM stability, while the complete set includes all necessary hardware for a straightforward installation.
Engineered specifically for Chevy GM LS1 and LS6 applications, this shaft-mount rocker arm set delivers a more rigid and consistent valvetrain geometry compared to stud-mounted designs, making it a popular choice for performance street and track builds. Everything needed for installation is included in the kit, keeping your build clean and efficient.