The 46mm Precision Turbo and Engine PW46 water-cooled wastegate features the following: • Designed with a water-cooled top to combat against extreme heat. • 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 investment cast valve body to provide consistent performance without fatigue or failure while also allowing for accurate boost control • An internal Nickel Chromium Alloy valve • Standard clamp-style flange configuration for easy mounting • A satin black anodized finish with 6061 aluminum billet cap • All clamps necessary for installation The PTE PW46 water-cooled wastegate is designed to be a direct fit replacement for other units on the market and is compatible with most aftermarket manual or electronic boost controllers for ease of use. As an added bonus, all 46mm Precision Turbo PW46 water-cooled wastegates are warranted to be free from manufacturer's defect for a period of 12 months or 12,000 miles!