SpeedFactory Racing 4-Port Boost Control Solenoid Kit (External Wastegates Only) Boost Control Solenoid Kit Type:4-Port Solenoid and Mounting Bracket (Strongly Recommended) This stud kit looks great

This stud kit looks great and will allow you to properly clamp the intake manifold to the cylinder head without experiencing sealing problems

Available Fitments:

Center to Center Length: 138

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as well as many other uses

SpeedFactory Racing 4-Port Boost Control Solenoid Kit (External Wastegates Only) Boost Control Solenoid Kit Type:4-Port Solenoid and Mounting Bracket (Strongly Recommended) This stud kit looks greatThe 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