Tomei Valve Spring - Mitsubishi 4G63 BOV's & Wastegates Quality is our top priority

Quality is our top priority

The SpeedFactory Racing 3-Port Boost Control Solenoid Mounting Bracket kit allows you to mount your SpeedFactory Electronic Boost Control Solenoid securely and professionally in your engine compartment

ALL G4X ECUs feature:

At Exoracing

Tomei Valve Spring - Mitsubishi 4G63 BOV's & Wastegates Quality is our top priorityHigh quality designed springs is required to transfer the exact movement of the camshaft to the valves at high engine speeds on high performance engines. The TOMEI products are always engineered with precision, Intake, mind to suit the users needs. So with this, Intake, mind careful choices, Intake, material selection is made with surface coating and other technologies. Then the pre production products are put through an extensive testing program for