GM 4L70E/4L75E Performance Transmission Level 4



Core Charge $550 box option

Horse Power: 650
(Up to 650 ft lbs Torque)
Converter: Custom Built & Custom Stalled 10” or 11” Lock-Up Billet Racing
Stall: 1600-2400
1300-2600 Stall Available for Diesel & 4X4

CORE CHARGE: $550.00
ATF: $100

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* Core transmissions must be received by Gearstar within 30 days of receiving your new transmission to be considered eligible for a credit or refund.


4L70E – Level 4 Transmission with Torque Converter

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Horse Power: 650
(Up to 650 ft lbs Torque)
Converter: Custom Built & Custom Stalled 10” or 11” Lock-Up Billet Racing
Stall: 1600-3600
1300-2600 Stall Available for Diesel & 4X4

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
A 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
A New EPC Solenoid
New PWM Solenoid
New 3/2 Solenoid
A New Manifold Pressure Switch
New Internal Wiring Harness W/New TCC Solenoid
New Electronic Speed Sensor
Inspection Cover (Polished Aluminum)
New Original Equipment Steel Transmission Pan
Transmission Mount

CORE CHARGE: $550.00
ATF: $100

Gearstar Has Your Back


*Lokar Flexible Filler Tube and Stick – Call for Pricing

*Hayden Cooler 30,000 GVW with optional Integrated Fan – Call for Pricing


Deep Cast Aluminum Transmission Pan – Call for Pricing

***This transmission requires the use of a standalone controller in non OEM applications.***

Please call for details (330) 434-5216

All transmissions are custom built by 1 of 5 master techs from start to finish and DYNO tested with converter the equivalent of 100 miles to insure that transmission and converter package are in perfect operating condition before they leave our facility.

All sales are final. No returns or refunds.

Gear Ratios
1st 3.06
2nd 1.62
3rd 1.00
4th 0.70

Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft
Total Length: 32″
Distance to trans mount center: 24 1/4″

GM 4L70E Performance Transmissions

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Additional information


2 Wheel, 4 Wheel