The Speedmaster PCE634.1009.02 is a full manual valve body precision-machined from billet aluminum, designed specifically for the GM 4L80 automatic transmission. The full manual configuration eliminates automatic upshifts, putting the driver in complete control of gear selection for maximum performance on the strip or street. The striking black finish adds a clean, aggressive look under the hood or on the build.
Engineered as a direct-fit replacement valve body for GM 4L80-equipped vehicles, this unit is ideal for performance enthusiasts and racers looking to extract the most from their drivetrain. The billet aluminum construction offers superior strength and durability compared to stock components, making it a reliable upgrade for high-demand applications. Backed by Speedmaster's commitment to quality, this valve body is a proven performance drivetrain solution.
