The Gen V WG38 Ultra Gate 38 External Wastegate is a Motorsport proven, cost effective external wastegate. The Turbosmart Gen V range is the Highest Flowing Wastegate range in the World. The Gen V provides extensive user configuration, world leading extended thermal performance, fatigue resistance and best in class flow performance for optimum control and longevity. The Gen V External Wastegate from Turbosmart was a ground up rework of a classic and the only feature that rolled over from the Gen 4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the Gen V range has more features, options and performance than any other gate like it. A direct fit upgrade to all Gen 4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap and base for easy, 360 degree optional routing of reference hoses, optional liquid-cooling provision, 1/8″ NPT reference ports and are provided with the full range of available springs. Click HERE, for a Look Inside the Gen V External Wastegate Range Click HERE, for How to chose the Right Size External Wastegate Features Class Leading, Thermal Performance Class Leading, CFD & Bench Validated Flow Performance Class Leading Fatigue Resistance Nitronic 60 Valve Guide & High Temp 347 SS Body 17/7 PH Stainless Steel Springs Liquid Actuator Cooling Option