This Turbo Drain Flange solves all of the shortcomings of traditional drain flanges with paper gaskets and small orifices. Starting from scratch we designed a flange that will fit midframe and smaller turbos from Precision Turbo, Garrett, Borg Warner, On3, VS Racing, Comp, Bullseye, CX Racing and more! These are designed to fit Large Frame, GT55, Pro Mod Features include: Billet CNC from 6061 T6 Aluminum High temp Oring Seal (to obsolete the old paper gaskets) O-ring Groove cut with dove tailcutter so that o-ring is retained and cannot fall out 12AN Male Connection Tapered Funnel Drain design to open up flow Large Bore ID 12AN design allows for high flow Made in the USA 2 & 3/8ths bolt hole spacing. *Does Not Come with Any Hardware