The Boost Logic T3 Oil Return Flange is used on T3 size turbos. The fitting size for this flange is 1/2" NPT.
About Manufacturer: Boost Logic
Boost Logic is a leader in forced induction solutions for the high-end automobile market. With a reputation for building some of the fastest and reliable aftermarket packages for exotic sports cars, Boost Logic strives to provide the very best experience. Whether you are looking to build a 7 second drag car or a Veyron Killer Street car, Boost Logic is your one stop shop. Boost Logic is internationally renowned for their skilled craftsmanship and addiction to horsepower!