Overview

Gearstar GM 4L65E Level 4 Transmissions for GM LT4

Gearstar GM 4L65E Level 4 transmissions for the GM LT4 engine are designed for strength and durability. Built with heavy-duty and upgraded components, these 4L65E transmissions are able to handle the torque from your custom build. All Gearstar transmissions are custom built by master technicians from start to finish and dyno tested with converter for the equivalent of 100 miles. They do this to ensure the transmission and converter package are in perfect operating condition before they leave the factory.

Features:

* Maximum 650 hp and 650 lb./ft. of torque
* Yank Performance custom billet lock-up compatible torque converter
* LT4 bellhousing
* Master overhaul kit with Alto hardened steels
* Raybestos Gen II racing frictions
* High-flow filter
* New 29 element dual cage sprag
* High-capacity upgraded pump assembly
* New hardened pump rings,13-vane pump rotor, and stator
* 0.500 updated boost valve
* Pressure regulator valve
* Transgo reprogramming shift kit with shift command
* Bushing kit
* New thrust washers and complete Torrington bearing kit
* Heavy-duty hardened sun shell
* Heavy-duty expanded capacity input drum with reinforcing sleeve
* High-rev spring kit
* Heavy-duty 5-pinion front and rear planetary gear set with sun gear
* Hardened output shaft and reaction shaft and hub
* Super hold 4th gear servo
* Corvette servo
* Wide carbon fiber 2-4 band
* New valve body spacer plate
* New shift solenoids, EPC solenoid, PWM solenoid, and 3/2 solenoid
* New manifold pressure switch
* New internal wiring harness and TCC solenoid
* New electronic speed sensor
* New Original Equipment transmission pan
* Transmission mount
* Also includes an external transmission cooler, bellhousing bolts, torque converter bolts, and all required fluid