SpeedFactory Racing 4 Port Boost Control Solenoid Kit Shock Absorbers Skunk2 camshafts designs are the

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

When fitting a single exit exhaust to your Impreza GRB or GRF

Motul 300V Le Mans 10W-60

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

Thick-walled intake runners leave large allowances for porting to minimize chances of breakthrough and a larger 70mm throttle body opening offer maximum air flow

SpeedFactory Racing 4 Port Boost Control Solenoid Kit Shock Absorbers Skunk2 camshafts designs are theThe 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