SpeedFactory Racing 4-Port Boost Control Solenoid Kit (External Wastegates Only) regular My car has drum brakes

My car has drum brakes

D series - Lash measured at the valve tip needs to be set to 0

re-using your factory O-Ring

We've made improvements and fixed the parts that break so that you can make better and more consistent shifts

1-piece core with trick smooth-flowing endtanks and internal charge air diverters to ensure optimum flow over the entire intercooler core surface

SpeedFactory Racing 4-Port Boost Control Solenoid Kit (External Wastegates Only) regular My car has drum brakesThe SpeedFactory Racing 4 Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulsewidth 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