Skip to product information
1 of 1

Extreme Automatics

Extreme Automatics 4L80E "Billet 80" Reverse Manual Valve Body

Extreme Automatics 4L80E "Billet 80" Reverse Manual Valve Body

34G80 Billet Aluminum Reverse Manual with Brake

  • Transbrake hot in 1st and 2nd
  • Must use transbrake for reverse
  • No engine braking


    • 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
    • Transbrake Function in 1st and 2nd Gear
    • Full Manual Reverse Pattern
    • No Shift Computer Required
    • No Moving Parts
    • No Electrical Parts for Shifting
    • Retains Lockup Function 4th Gear Only
    • No 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
    • Can be Used With a Stock Pan
    • Transmission does not need to be removed from vehicle!!
    • Typically 1 Hour Installation
      Regular price $769.00 USD
      Regular price Sale price $769.00 USD
      Sale Sold out
      Tax included.
      View full details