This is a turbo oil supply fitting for a -4 AN fitting. This fitting allows you to build custom oil lines to your new turbo setup. Works perfectly with the Garrett T-Series or GT-series turbos. No gasket is required, as this fitting is supplied with a high temperature silicone o-ring. Every detail has been considered, the machining is very high quality.
This supply fitting has bolt holes that are 1.50 inches (on-center) from each other.