SINGLE PORT Actuator 1,0 bar / 14 psi BorgWarner EFR B1-series TwinScroll from Turbosmart Single Port Actuator 1,0 bar / 14 psi Internal Single Port Wastegate Actuator BorgWarner B1-serie Twin Scroll For Twin Scroll EFR 6258, EFR 6758, EFR 7163 Designed as a stock replacement for the B1 frame TwinScroll EFR range of turbos, with 140mm rod. Turbosmart Internal Wastegate Actuator provides better turbo response and greater sensitivity when managing boost pressures. Features: - Silicone diaphragm with Nomex reinforcement to withstand high temperatures. - High grade, billet aluminum construction. - Stainless steel rods and connecting clevis for corrosion resistance. - Locking Collar design cap allows for quick spring changes. - Ideal for use with any Turbosmart boost controller. Fits to: EFR6258 Twin Scroll EFR6758 Twin Scroll EFR7163 Twin Scroll Boost: 1,0 bar / 14 psi