Big Head Actuator Kit-2001-04 Chevy 6.6L
With twice the diaphram area and spring pressure of the stock wastegate; BigHead keeps the valve seated longer; raising peak boost significantly. Delivers precise boost control; improves Duramax; Cummins; Power Stroke acceleration.
- Doubles Stock Diaphragm Area
- Doubles Stock Diaphragm Spring Pressure
- Massive Torque Right From Idle
- Higher Peak Boost Sooner
- More Mid Range Muscle
Application Summary:
| Year |
Make/Model |
| 2001-2004 |
Chevrolet Silverado 2500 HD |
| 2001-2004 |
Chevrolet Silverado 3500 |
| 2001-2004 |
GMC Sierra 2500 HD |
| 2001-2004 |
GMC Sierra 3500 |