SpeedFactory Racing 4-Port Boost Control Solenoid Kit (External Wastegates Only) regular to help eliminate the dreaded

to help eliminate the dreaded 1-2-1 or 2-3-2 mis-shift

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 -16AN Cast Thermostat Housings are designed to replace your factory thermostat housing and allows you to easily adapt -16AN hoses and fittings to your engine's cooling system

My car has drum brakes

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

SpeedFactory Racing 4-Port Boost Control Solenoid Kit (External Wastegates Only) regular to help eliminate the dreadedThe 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