Description
Chevrolet Supermatic 4L80E. 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.
4L80E level 5 designed for Big Block / Small Block Chevrolet engines & 2wd applications
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” Lock-Up Billet Yank Performance converter
Stall: 3200+
Master overhaul kit with Hardened Steels
Raybestos Stage I Frictions
Transgo Reprogramming Kit w/ Valve Body Recalibration & shift command
Filter
New Torrington Bearing Kit
New Bushing Kit
New Thrust Washer Kit
New Internal Wiring Harness
New Manifold Pressure Switch
New EPC Solenoid
New PWM Solenoid
New Input & Output Speed Sensors
New 1-2 Shift Solenoid
New 3-4 Shift Solenoid
Expanded Capacity Forward Clutch Drum
Extra Capacity Second Gear Clutch Assembly
Expanded Capacity Third Clutch Drum
300M Input Shaft
300M Main Shaft
300M Forward Clutch Hub
Updated Molded Steel Direct Clutch Piston
Updated Reverse Band
New Low Roller Assembly
Wide Kickdown Band w/New Apply Piston
Updated Boost Valve
Updated TCC Regulator Valve
Blue Printed Pump & Valve Body
Transmission Mount
New OEM Steel Pan
Billet Direct Drum with 36 Element Oversized Sprag with higher capacity frictions
Billet Sprag Cage (versus OE plastic)
| Gear Ratios | 1st | 2nd | 3rd | 4th |
| GM 4L80E/ 4L85E | 2.480 | 1.480 | 1.000 | 0.750 |
| 2WD Dimensions |
| Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft |
| Total Length: 31″ |
| Distance to trans mount center: 30 1/2″ |
