Chevrolet Supermatic 4L80E. 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. For more efficient 800 HP builds, see the 4l80E 4x4 Level 3, or for 1200 HP max power, view the 4l80E 4x4 Level 5.
4L80E Level 4 transmission designed for LS engines & 4x4 applications
Rated up to 700 HP at the crankshaft
Rated up to 650 lb-ft of torque at the crankshaft
Custom-built & custom-stalled Yank Performance converter
Available sizes: 10.5" or 13" lock-up billet
Stall range: 1600–2800 RPM
Expanded capacity forward clutch drum
Extra capacity second gear clutch assembly
Expanded the capacity of the third clutch drum
Updated molded steel direct clutch piston
Raybestos Stage I frictions
300M input shaft
300M main shaft
300M forward clutch hub
Heavy-duty intermediate sprag
Wide kickdown band with a new apply piston
Updated reverse band
New low roller assembly
TransGo reprogramming kit
Valve body recalibration
Shift command optimization
Blueprinted pump & valve body
Updated boost valve
Updated TCC regulator valve
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
Master overhaul kit with hardened steels
New Torrington bearing kit
New bushing kit
New thrust washer kit
New filter
Transmission mount
New OEM steel pan
| Gear Ratios | 1st | 2nd | 3rd | 4th |
| GM 4L80E/ 4L85E | 2.480 | 1.480 | 1.000 | 0.750 |
| 4WD Dimensions |
| Measurements are taken from the mounting surface where the trans meets the 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″ |
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