Upgrade your GM 4L80 transmission with the Speedmaster PCE634.1009.01 Full Manual Valve Body, precision-machined from billet aluminum for superior strength and durability over stock components. The full manual design gives you complete control over gear selection, eliminating automatic shift points for a more responsive, driver-commanded driving experience ideal for racing and high-performance applications.
Finished in a distinctive silver billet aluminum appearance, this valve body is engineered as a direct replacement unit for compatible GM 4L80 transmissions. Whether you're building a dedicated track car or a high-output street machine, this Speedmaster valve body is a foundational upgrade for serious drivetrain performance.
MPNPCE634.1009.01
UPC840136566205
