The Speedmaster PCE641.1003 is a screw-in transbrake solenoid designed specifically for use with the Ford C4 automatic transmission. Built to work with the PCE628.1003 case only, this solenoid delivers the precise line-locking function needed to hold a vehicle at the starting line while building RPM, giving drag racers a competitive edge off the launch.
Engineered for performance applications where reliability under pressure is critical, this transbrake solenoid is a targeted upgrade for racers running the C4 transmission platform. Intended for case PCE628.1003 — verify compatibility with your specific case before ordering to ensure proper fitment.