The Speedmaster PCE612.1017 Booster Valve Set is engineered specifically for the Ford C4 automatic transmission, delivering firmer, more consistent shift pressure to help reduce clutch pack slippage and extend transmission life under demanding driving conditions. This complete valve set is a direct upgrade over the factory booster valve, making it an ideal solution for performance builds and street/strip applications.
Designed as a bolt-in replacement for C4-equipped Ford vehicles, this booster valve set helps optimize hydraulic pressure throughout the transmission for crisper, more positive gear changes. Trust Speedmaster's proven drivetrain expertise to keep your C4 performing at its best, whether you're building a dedicated race car or upgrading a daily driver.