The Turbosmart IWG-75 provided faster boost build up

Positive Seal O-Ring on the Piston face and Billet Construction

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

The result is more efficient performance from the factory turbochargers

This cap also fits: other sizes JR3

BOV Controller RacePort Blue JR30 The Turbosmart IWG-75 provided fasterThe 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