2004.5-Present factory Duramax oil feed is supplied off of the #4 cam journal bearing, which can lead to pre-mature bearing wear or failure. Feeding even a factory turbo from the oil rifle on the block, ensures adequate supply and prevents pre-mature bearing failures.
Designed for use with a 1/4 inch Pipe Fitting inlet. Borg Warner S300 or S400 Style turbos.
High Quality AN fittings