4L80-RR850 Manumatic System Details:
- 4L80E Case with semi polished, machine burnished finish strengthening the case.
- 300M Billet Input Shaft to prevent twist or breakage.
- 300M Billet Input Clutch Hub with sintered bronze washers.
- Surfaced and Squared Direct Clutch Drum modified to accept 6 clutches and steels.
- Semi-Metallic Carbon Composite Clutches.
- Carbon Kevlar Composite Forward Clutches.
- Carbon Kevlar Composite Intermediate Clutches are with wide retention ring.
- Wide Style Intermediate Band with Carbon/Kevlar lining.
- Improved Design Low Reverse Band.
- Machined Reaction Carrier Brake Surface.
- Blueprinted Planetary Sets.
- 34-element Borg Warner Intermediate Sprag.
- New Low Reverse and Overdrive Sprag.
- Torrington Needle Bearing Sets.
- New Shift Solenoids.
- New PWM Solenoid.
- New EPC Solenoid.
- New Manifold Pressure Switch.
- New Harness.
- New output speed sensor.
- Pump blueprinted and upgraded with improved design pressure regulator valve and sleeve for fluid pressure stabilization across rpm, stator bushing surface increased to support input shaft, pump cover re-bushed and oil relief channel enlarged.
- AFL bore is reamed and re-sleeved with high output Actuator Feed Limit valve and sleeve assembly. -New HP separator plate.
- Billet Accumulator Pistons with custom springs.
- Custom Blueprinted Valve Body for increased shift performance, minimized shift overlap and increased apply pressure.
- Transmission custom blueprinted during assembly for high rpm performance use.
- Twist Machine MuscleDrive™ Billet Lock Up 10.5" Torque Converter.
- Compushift II Transmission Controller.
- Custom Twist Machine RR Calibration.
- On-board Display / Tuner with Gear Select Display.
- Twist Machine Shrifter® Billet Paddle Shifter.
- Dyno Tested.
- Lifetime calibration tuning support.
- 1 yr warranty on transmission, 2 year warranty on Compushift II, Lifetime warranty on our Paddle Shifter.
Please order by phone. A 50% deposit will be charged when your order is placed. Balance will be charged at time of shipment. Shipping charges are additional FOB Weatherford, TX. There is no core charge. Each system is custom tailored to your exact vehicle specifications and personal driving preferences. You will be contacted via phone and email to collect calibration data. Please allow 4 to 6 weeks for production.