4L80 Billet Aluminum Reverse Manual with PRO BRAKE

1st gear only! 

Available with or without Engine Braking


Features:
Designed from clean sheet of paper
Pro Tree Solenoid and Design
Works Well on the Street and at the Track
The Only 4L80E Pro Transbrake Available
Direct replacement for 1991 to 2010 4L80E
Full Manual Reverse Pattern
No Shift Computer Required
No Moving Parts
No Electrical Parts for Shifting
Retains Lockup Function (Optional)
Engine Braking
Backs up from Reverse Shifter Position
Adjustable Pressure from 150-300 psi
Rock Steady Pressure Regulation
Shifts on Command
Includes Billet Aluminum Bulkhead Connector
Requires NO special boost valves
Can be Used With a Stock Pan
Transmission does not need to be removed from vehicle!!
Typically 1 Hour Installation