GearStar GM 4L70E Level 4 Transmissions

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GearStar offers GM 4L70E Level 4 transmission models for a variety of rear-wheel-drive and four-wheel-drive applications, including many Chevy small block Gen III/I

GearStar offers GM 4L70E Level 4 transmission models for a variety of rear-wheel-drive and four-wheel-drive applications, including many Chevy small block Gen III/IV (LS-based) engines from 1997 and up. They're available in different flash stall ratings. Performance specs include: 650 hp and up to 650 lbs.-ft. torque.

Transmission details:

* Converter: Custom built and custom stalled 10 or 11 in. lock-up Billet Racing
* Stall: 1,600-3,600
* Master overhaul kit with alto hardened steels
* Raybestos Gen II racing frictions
* High-capacity filter
* New 29 element dual cage sprag
* High-capacity upgraded pump assembly
* New hardened pump rings
* New 13 vane pump rotor
* New vanes
* New stator
* .500 boost valve
* Pressure regulator valve
* Updated boost valve
* Transgo reprogramming shift kit with shift command
* Bushing kit
* New thrust washers
* 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 – AC Delco
* 300M hardened output shaft
* 300M hardened reaction shaft and hub
* Super hold 4th servo
* Corvette servo
* Wide carbon fiber 2-4 band
* New valve body spacer plate
* New shift solenoids
* New EPC solenoid
* New PWM solenoid
* New 3/2 solenoid
* New manifold pressure switch
* New internal wiring harness with new TCC solenoid
* New electronic speed sensor
* Inspection cover (polished aluminum)
* New original equipment steel transmission pan
* Transmission mount
* This transmission requires the use of a standalone controller in non-OEM applications
* All transmissions are custom built by one of five master techs from start to finish—and DYNO tested with converter the equivalent of 100 miles to ensure that transmission and converter package are in perfect operating condition before they leave the GearStar facility.

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