TCI 421500 - TCI Transbrakes

Transbrakes come as complete units with bolt-on valve body and solenoid. Most feature a reverse shift pattern (PRN123). Powerglide is P-R-N-2-1; COMP Torqueflite is P-R-1-2-3-N. Pro Tree Transbrakes have hydraulic fluid release. Pro Tree & COMP have neutral lockout to prevent shifting into reverse unless the switch is activated.