The Proline 4000 has all the features as the PL 5000 but is built with at stock PG case. It is rated to 2000+ HP.
- Prolite Transbrake
- NASA Input Shaft
- New Clutch Hub
- New Servo
- 8 Clutch Pack
- 4340 Output Shaft
- 9310 1.80 Gears
- New Gear Housing
- New 1.80 Ring Gear
- New Pins
- New Thrust Washers
- Deep Aluminum Pan
- High Flow PG Pump
- High Performance Gasket
- and Seals
- Stock Case
- Rated to 2000 HP
JW Bellhousing for Modular Engine
This is a good transmission for most 800-900rwhp cars.