Designed as a stock replacement for the B1 frame single scroll EFR range of turbos, with 120mm rod.\nWe've taken the proven technology from our WG38, 40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator.\nTurbosmart Internal Wastegate Actuator provides better turbo response and greater sensitivity when managing boost pressures.\nFEATURES:\n\nSilicone diaphragm with Nomex reinforcement to withstand high temperatures.\nHigh grade, billet aluminium construction.\nStainless steel rods and connecting clevis for corrosion resistance.\nLocking Collar design cap allows for quick spring changes.\nIdeal for use with any Turbosmart boost controller. - See more at: http://www.turbosmartdirect.com/Product-Categories/Turbo-Specific-Actuators/IWG75-Borg-Warner-EFR-B1-Single-scroll-Black-14PSI.html#sthash.7qbDwcuH.dpuf\n\nTS-0620-1142