Upgrade your LS1 valvetrain with the Speedmaster PCE261.1257 Stainless Steel Roller Rocker Arm Set. Featuring a 1.7 ratio for increased valve lift over stock, these stud-mount rockers are built with stainless steel construction for enhanced strength, durability, and resistance to wear under high-performance and racing conditions.
Designed specifically for Chevy GM LS1 applications, this complete set delivers improved valvetrain geometry and reduced friction thanks to the roller tip design, helping maximize power output and engine efficiency. A direct upgrade for enthusiasts looking to extract more performance from their LS1 build.