SpeedFactory Racing 4 Port Boost Control Solenoid Kit Shock Absorbers With the use of a

With the use of a specialized air filter cleaning solution and low-pressure water

Entirely aluminium and with etched red shift pattern on top

Skunk2 camshafts designs are the direct result of our years of drag racing and road racing efforts

large tires

SpeedFactory Racing 4 Port Boost Control Solenoid Kit Shock Absorbers With the use of aThe SpeedFactory Racing 4 Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulse width modulation) signal from a source (Engine Control Module or Electronic Boost Controller). This solenoid can raise the boost level as high as 6 7 times the spring pressure of the wastegate and offers very precise control at very high boost levels. The 4 Port Solenoid also allows you to use much lower wastegate spring pressures for better boost