Turbosmart GenV Twin Port Internal Wastegate Actuator to suit Borg Warner EFR Series Turbochargers. This IWG actuator, has it all taking technology from the Award winning GenV range of External Wastegates providing unparalleled actuator performance.Turbosmart GenV IWG (Internal Wastegate Actuator) Range provide improvements in boost control over your factory actuator. The large working surface area of our unique diaphragm system ensures increased boost response and control, at any performance or boost level.Using Turbosmart’s locking collar system, you can also quickly change your base spring selection from 5, all the way up to 26psi. The Nitronic guide & Hard Chromed Intermediate Rod, mated with the swivel joint system ensure the best possible lower chamber seal for true twin port control strategies, unequalled actuation range and control.Features:GenV cap including 1/8NPT reference portsTrue Twin Port Control for a wide boost control windowHard chromed Intermediate rod & nitride guide for cycle tested & proven reliabilityProprietary Swivel Joint for complete linear actuation3 Secondary rods included to ensure fitment to all B1 & B2 single & twin scroll EFR’s Tech Bulletins: TS-0620-4XXX Gen-V IWG (BorgWarner EFR).pdf