These standard JIC fittings will thread in to your factory Allison bellhousing and allow you to attach a -10 AN line to it. These fittings are a 3/4-16 to -10AN, and will work on your small port 2001-2003 Early Model LB7 Duramax trucks.
Prefer a Stainless Billet Fitting? See our DHD billet conversion fittings HERE.
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