ISR Performance GT Oil Drain Flange w/ Integrated 5/8 male neck (fits GT15-GT38 BB Turbos)
We promise to never spam you, and just use your email address to identify you as a valid customer.
Posted by Mike Clarke on 3rd Sep 2014
This is the best adaptor to use imo when running a GT-style turbo. upgrading GT style turbos just swap this return over to the upgraded turbo and be done.