GM 4L85E Performance Transmission Level 3



Core Charge $850 box option

Horse Power: 1000
Converter: Custom Built & Custom Stalled 10” or 11” Billet Yank Racing
Stall: 2600-3600

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.


4L85E – Level 3 Transmission with Torque Converter

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Horse Power: 1000
(Up to 1000 ft-lbs Torque)
Converter: Custom Built & Custom Stalled 10” or 11” Billet Yank Racing
Stall: 2600-3600Master Overhaul Kit
Raybestos Racing Blue Gen II Frictions
High Flow Filter
2 Transgo Reprogramming Shift Kits
GEARSTAR Full Race Shift Kit
High Energy Wide Bands
New Bearing Kit
A New Bushing Kit

New Thrust Washer Kit
New Low Roller Sprag
300M Hardened Input Shaft
A 300M Hardened Intermediate Shaft
300M Forward Hub
High Capacity Pump Assembly with New Gears
New 5 Pinion Reaction Planetary Gear Set
New 5 Pinion Low Planetary Gear Set
Extra Capacity 2nd Gear Clutch Assembly
Extra Capacity 3rd Gear Super Drum with Wide Heavy Duty Sprag, Race, and Modified Plates
Custom Machine Billet Forward & Direct Drum Pistons
Heavy Duty 2nd Gear Apply Piston
New Shift Solenoids
New EPC Solenoid
A New PWM Solenoid
New Manifold Pressure Switch
New Input & Output Speed Senor
A New Internal Wiring Harness
Updated Boost Valve
Updated TCC Regulator Valve
Blueprinted Pump & Valve Body
Transmission Mount

ATF: $100

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30,000 GVW Cooler with Integrated Fan – Call for Pricing
Full Manual Valve Body – Call for Pricing
Transbrake Valve Body – Call for Pricing
Lokar Flexible Filler Tube and Stick – Call for Pricing


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 2.48
2nd 1.48
3rd 1.00
4th 0.75

Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft
Total Length: 31″
Distance to trans mount center: 30 1/2″

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