Godfather 4L60E/4L65E

Level 3 4L60E/4L65E – Rated to hold up to 700HP


  • Replace Plastic Accumulators With Aluminum Accumulators
  • Reprogrammed Valve Body
  • Opened Relief Hole In Front Pump (Eliminates Blowing Out The Front Seal Which Is A Common Problem With The 700r4)
  • Hardened 4140 Pump Rings
  • Updated Pro-Series Kevlar Band
  • Eliminate Factory 320 Boost Valve And Replace With 500 Boost Valve (Longer Transmission Life)
  • New Force Motor
  • New Shift Solenoids
  • New 3/2 Downshift Solenoid
  • New TCC Solenoids
  • New Pressure Manifold and a Special Sonnax Valve that is Specifically made for the GM code 1870 (which is very common on these particular units)

All Mad Dog Transmissions are completely rebuilt and come with a Master Overhaul Kit which includes:

  • All New Lip Seals
  • All New Gaskets
  • All New Teflon Rings
  • New Filter
  • All New Steels
  • All New Bushings
  • All New Raybestos Clutch Discs
  • All New Sprags
  • New Band

This Level 1 transmission comes with a Mad Dog Reprogramming update kit and Mad Dog shift kit.

This transmission can also be setup for pulling and towing (no extra charge).

For external full manual box add an additional $395

If a Liftgate is needed at time of delivery a $25 fee will be billed to your credit card.  Core Charge is $175.

  • Free Converter and Shipping
  • Color choices available on checkout
  • Installation and extended warranties available on request
  • This is a factory rebuilt transmission with upgrades

NOTE: Let us know what type of shift you want. We can custom build each valve body for your application.

  • Stage 1: is a factory shift
  • Stage 2: has a nice crisp shift and at wide open throttle it will put you in your seat
  • Stage 3: is for that Saturday night special. Be warned stage 3 shift is very violent

Installations are available on all our transmissions. These transmissions are a direct replacement for your GM vehicle. No modifications or custom tuning necessary. The 700R4 is a true, 4-speed overdrive transmission and does not require a computer. Our units offer great performance and better gas mileage. If you are looking for an overdrive transmission for your old-school vehicle, we can do the complete installation or send you our conversion kit.