TURBOSMART BOV CONTROLLER RACEPORT BLACKTurbosmarts blow off valve controller kit uses a throttle position sensor and solenoid to allow a blow off valve to be fitted to turbo diesel vehicles. The Race Port BOV controller kit is ideal for reducing compressor surge in high boost and racing turbo diesel engines. SUPPLIED WITH: BOV Controller, Specific Race Port BOV, Wiring loom, Solenoid and bracket, Reinforced pressure tubing, Hose clamps and mounting hardware. Welding and or fabrication