Precision Turbo and Engine’s high-quality yet economical GEN2 40mm external wastegate is perfect for the automotive enthusiast looking to get the most from their turbocharged car, truck, or any other vehicle. The GEN2 40mm external wastegate is fully adjustable and features the following: Super compact, high flow design ideal for applications with space constraints High grade, high temperature stainless steel and billet aluminum components for the best in strength, style and functionality at an affordable price. A 347 stainless steel cast valve body to provide consistent performance without fatigue or failure while also allowing for accurate boost control An internal Nickel Chromium Alloy Valve 6 different 17-7 precipitation hardened springs for maximum adjustment of boost levels V-band inlet/Vband outlet for easy/clean mounting Includes flanges and clamps need for mounting Satin black anodized finish with 6061 aluminum billet cap The GEN2 40mm wastegate is designed to be a direct fit replacement for other units on the market and is compatible with most aftermarket manual and electronic boost controllers for ease of use.