1.05AR T4 Twin Scroll EWG 179392 this item. 1.05 A/R T4 Twin Scroll (external WG) - Part # 179392. ALL BORGWARNER EFR SERIES TURBOS AVAILABLE. BorgWarner EFR 7670 Turbo. BW utilizes their 70mm Gamma-Ti turbine wheel as the optimal match for the 57.2mm inducer / 76mm exducer FMW compressor for unmatched response.
eBay