Upgrade your GM LS1/LS6 engine with the Ultra Pro Magnum 1.8 Ratio Adjustable Rocker Arm Kit. Made from high-quality 8650 Chromemoly Steel, these rocker arms are designed for maximum durability and performance.
With a rocker arm ratio of 1.8, the Ultra Pro Magnum kit delivers enhanced valve lift and improved engine efficiency. Perfect for racing and competition vehicles, this kit is C.A.R.B. exempt for pre-1967 models and provides a significant power boost.
Experience smoother operation and increased horsepower with this rock-solid upgrade. Take your GM LS1/LS6 engine to the next level with the Ultra Pro Magnum 1.8 Ratio Adjustable Rocker Arm Kit.