Description
Description
Chevrolet Supermatic 4L85E. This is a four-speed automatic transmission. This comes standard with an automatic valve body. A standalone transmission controller is required to control the transmission unless it is going into a factory application.
Performance Specifications
- 4L85E Level 4 4x4
- Rated up to 1000 hp at the crankshaft
- Rated up to 900 ft-lbs. of torque at the crankshaft
- Converter: Custom Built & Custom Stalled 10" multi disk or single disk lock-up Billet Yank Performance Converter
- Stall: 2600-3600
Build Details
- Master Overhaul Kit with Hardened Steels
- Raybestos Stage 1 Frictions
- High Flow Filter
- Transgo Reprogramming Kit w/ Valve Body Recalibration & shift command
- GEARSTAR Full Race Shift Kit
- Carbon Fiber Heavy Duty Reverse band
- Wide Carbon Fiber Kickdown Band
- New Bearing Kit
- A New Bushing Kit
- New Thrust Washer Kit
- New Low Roller Sprag
- 300M Hardened Input Shaft
- 300M Hardened Intermediate Shaft
- 300M Forward Hub
- High-Capacity Pump Assembly with New Gears
- New 5 Pinion Reaction Planetary Gear Set
- New 5 Pinion Low Planetary Gear Set
- Extra Capacity 2nd Gear Clutch Assembly
- Extra Capacity 3rd Gear Super Drum with Wide Heavy Duty Sprag, Race, and Modified Plates
- Heavy Duty 2nd Gear Apply Piston
- New Shift Solenoids
- New EPC Solenoid
- A New PWM Solenoid
- New Manifold Pressure Switch
- New Input & Output Speed Senor
- A New Internal Wiring Harness
- Updated Boost Valve
- Updated TCC Regulator Valve
- Blueprinted Pump & Valve Body
- Billet Direct Drum with 36 Element Oversized Sprag with higher capacity frictions
- Billet Sprag Case (versus OE plastic)
- GM 4L80E/ 4L85E
Gear Ratios
- 1st: 2.480
- 2nd: 1.480
- 3rd: 1.000
- 4th: 0.750
Dimensions
- Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft
- Total Length: 28 1/2" (Including OE T-Case Adapter Housing)
- Distance to trans mount center: 27"
