Overview

GearStar GM 4L80E Level 4 Transmissions

GearStar GM high performance transmissions are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. Unlike other high performance transmissions builders, GearStar individual transmissions are hand-built by one technician from start to finish. Before a transmission and torque converter leaves their facility, they are dyno tested for the equivalent of 100 miles, ensuring proper working condition.

GearStar GM 4L80E Level 4 transmissions with torque converter are built with the highest quality parts available. "Heart-pounding performance with industry leading experience"; select the proper transmission for your build and "strap yourself in to experience uncompromising performance" with the "legendary road-proven craftsmanship" of GearStar Performance transmissions.

Features and specs:

* 800 hp
* Up to 700 lb.-ft. of torque
* Stall: 2,800 to 3,400
* Custom-built, custom-stalled 10 in. billet racing lock-up converter
* Master overhaul kit with Alto hardened steels
* Raybestos Stage 1 frictions
* TransGo reprogramming kit
* Filter
* Torrington bearing kit
* Bushing kit
* Thrust washer kit
* Internal wiring harness
* New manifold pressure switch
* New EPC solenoid
* New PWM solenoid
* New input and output speed sensors
* New 1-2 and 3-4 shift solenoids
* Expanded capacity forward clutch drum
* Extra-capacity 2nd gear clutch assembly
* Expanded capacity 3rd clutch drum
* Heat-treated 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 with new apply piston
* Heavy-duty intermediate sprag
* Updated boost valve
* Updated TCC regulator valve
* Blueprinted pump and valve body
* Transmission mount
* New OEM steel pan

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