2001-2004 Duramax LB7 Banks BigHead Actuator (24396)
Experience instant power and explosive acceleration with this BigHead Actuator. When turbo exhaust backpressure increases, the stock actuator prematurely blows off the seat, softening boost in the midrange and killing torque. With twice the diaphragm area and spring pressure of the stock wastegate, Banks BigHead Wastegate Actuator keeps the valve seated longer and achieves a higher peak boost, sooner.
At peak, BigHead opens the wastegate and holds its position, for precise boost control that gives you crisp acceleration and more mid-range pulling power.
- Quick, Controlled Boost
- Produces massive torque right from idle
- Doubles stock's diaphragm area & spring pressure
- Keeps valve seated longer achieving higher peak boost, sooner
- Crisp acceleration and more mid-range pulling power
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