The result is more efficient performance from the factory turbochargers

Turbosmart mechanical boost gauge is the perfect accessory for any of our Gated Boost Control Valves Featuring simple mechanical operation

Quick release v-band collar for ease of installation and removal

This cap also fits: other sizes JR3

The IWG-75's high-quality billet aluminium construction and reinforced silicone diaphragm means that it will keep control even when you turn the boost up

BOV Controller RacePort Blue JR30 The result is more efficientThe Turbosmart BOV controller is an electronic device which controls the pressure signal to the BOV. It works by detecting a negative voltage change in throttle position. It then energises a solenoid to vent all of the air out of the BOV cap, causing a pressure differential between the piston of the BOV and the cap which will vent pressure from the intake system. Large diesel engines with larger turbochargers can experience compressor surge when