Description
Chevrolet Supermatic 4L85E. This is a four-speed automatic transmission. If an automatic valve body is used, then a standalone transmission controller is required to control the transmission.
4L85E Level 4 Designed for LS engines
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: 2400-3200
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
Transmission Mount
Billet Direct Drum with 36 Element Oversized Sprag with higher capacity frictions
Billet Sprag Case (versus OE plastic)
| Gear Ratios | 1st | 2nd | 3rd | 4th |
| GM 4L80E/ 4L85E | 2.480 | 1.480 | 1.000 | 0.750 |
| 4WD 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″ |
