Precision Turbo and Engine's all-new 66MM Piston Style CO2 Wastegate was designed for extreme reliability under the most severed applications. Specifically designed for use with CO2-based boost control systems. Offers quicker response time, accuracy, and durability under the high pressure demands of CO2 actuation, when compared to standard wastegate designs. Fully adjustable and features the following: High grade, high temperature stainless steel and billet aluminum components for the best in strength, style, and functionality 4 individual ports (2 on the bottom can, and 2 on the top can) Comes complete with stainless steel inlet and outlet flanges. Unique stabilizing "Precision Pins" which prevent the inlet and outlet flange from spinning. All clamps necessary for installation The PTE 66mm CO2-specific Pro Series wastegate is compatible with most aftermarket manual or electronic boost controllers for ease of use. As a bonus, each Precision Turbo external wastegate is warranted to be free from manufacturers defect for a period of 12 months or 12,000 miles!