Upgrade your Mopar Big Block 383 or 440 engine with Speedmaster PCE261.1034.01 Aluminum Roller Rocker Arms and Shafts. Featuring a performance 1.6 ratio, these rocker arms are designed to increase valve lift over stock, helping unlock more power and efficiency from your classic Chrysler Big Block build. The aluminum construction keeps weight down while the roller tip design reduces friction and wear on the valvetrain for improved durability and smoother operation.
Engineered specifically for Mopar Chrysler Big Block 383 and 440 applications, these rocker arms and shafts deliver a direct-fit solution for enthusiasts looking to enhance their engine's performance. Whether you're building a street machine or a dedicated performance application, Speedmaster's roller rocker arm kit offers a reliable valvetrain upgrade backed by a trusted performance brand.
