Description
Description
Chevrolet 4L80E Performance Transmission 2wd - Level 5 Pro Series. Built and tested by GearStar Performance Transmissions.
Performance Specifications
- Rated up to: 1200 hp at the crankshaft
- Rated up to: 1100 Ft-lbs at the crankshaft
- Converter: Custom Built & Custom Stalled 10" Lock-Up Billet Yank Performance converter
- Stall: 3200+
Build Details
- 4L80E transmission
- . This is a four-speed automatic transmission. If an automatic valve body is used, then a standalone transmission controller is required to control the transmission.
- 4L80E Pro Series
- Master overhaul kit with Hardened Steels
- Raybestos Stage I Frictions
- Transgo Reprogramming Kit w/ Valve Body Recalibration & shift command
- Filter
- New Torrington Bearing Kit
- New Bushing Kit
- New Thrust Washer Kit
- New Internal Wiring Harness
- New Manifold Pressure Switch
- New EPC Solenoid
- New PWM Solenoid
- New Input & Output Speed Sensors
- New 1-2 Shift Solenoid
- New 3-4 Shift Solenoid
- Expanded Capacity Forward Clutch Drum
- Extra Capacity Second Gear Clutch Assembly
- Expanded Capacity Third Clutch Drum
- 300M Input Shaft
- 300M Main Shaft
- 300M Forward Clutch Hub
- Updated Molded Steel Direct Clutch Piston
- Updated Reverse Band
- New Low Roller Assembly
- Wide Kickdown Band w/New Apply Piston
- Updated Boost Valve
- Updated TCC Regulator Valve
- Blue Printed Pump & Valve Body
- Transmission Mount
- New OEM Steel Pan
- Billet Direct Drum with 36 Element Oversized Sprag with higher capacity frictions
- Billet Sprag Cage (versus OE plastic)
- Custom machined case to remove the stock bellhousing
- Custom billet bellhousing adapter to accept a SFI bellhousing
- SFI bellhousing bellhousing bolt pattern can be chosen
- GM 4L80E/ 4L85E
Gear Ratios
- 1st: 2.480
- 2nd: 1.480
- 3rd: 1.000
- 4th: 0.750
Dimensions
- 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"
