Gearstar Transmission 4L65E Level 4 Can Handle 650HP 650lb/ft tq Stall Range Custom
PN. GS4L65EL4
4L65E- designed to attach to an LS engine. The 4L65E features a 13-pin main harness connector. You will need to verify the pin count if this is going into a factory application, and plan to use the factory computer. If this is not going into a factory application, a standalone transmission controller will need to be used.
Gearstar 4L65E Level 4 (2WD) Transmission
Performance Ratings
- Rated up to 650 HP at the crankshaft
- Rated up to 600 lb-ft of torque at the crankshaft
Torque Converter
- Custom-built lock-up billet racing converter
- Available sizes:
- Custom stall speed: 2,600 to 4,000 RPM
Frictions & Overhaul Components
- Master Overhaul Kit with new steels
- Raybestos Stage 1 Racing Frictions
- New filter
Pump & Hydraulic System
- High-capacity upgraded pump assembly
- New hardened pump rings
- New 13-vane pump rotor
- New vanes
- New stator
- Pressure regulator valve
- Updated boost valve
- Performance Sonnax valve body updates
Bearings, Bushings & Internal Support
- Bushing kit
- New thrust washers
- Complete Torrington bearing kit
Hard Parts & Geartrain Upgrades
- New 29-element dual-cage sprag
- Heavy-duty hardened sun shell
- Heavy-duty expanded-capacity input drum with reinforcing sleeve
- Heavy-duty 5-pinion front and rear planetary gear set with sun gear
- Hardened output shaft
- Hardened reaction shaft and hub
Clutch, Band & Servo Upgrades
- Wide carbon-fiber 2-4 band
- Corvette servo
- Super Hold 4th servo
Springs & Shift Components
- High-rev spring kit
- New low/reverse heavy-duty spring and roller
- New valve body spacer plate
Electronics & Solenoids
- 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
Exterior Components
- New OEM steel transmission pan
- Universal transmission mount
Warranty
- 3-Year / 50,000-Mile Warranty (2WD)
Transmission Model
| Gear Ratios |
1st |
2nd |
3rd |
4th |
| GM 4L65E |
3.060 |
1.620 |
1.000 |
0.700
|
| Measurements are taken from the mounting surface where the trans meets the engine block to the tip of the tailshaft |
| Total Length: 32″ |
| Distance to trans mount center: 24 1/4″ |
