This is the oil feed flange 4AN Billet aluminum oil feed flange for T3, T3/T4, or T04 T4 or To4 (also GT40R and GT42, GT42R, GT42RS) Designed to be bolted to turbo T3 / T4 Turbo Type: Turbo Oil Feed Line Flange Gasket Placement on Vehicle: Front Length bolt center to center: ~40.5mm 1.6 inch Length of total Flange: ~26mm 1.02 inch Flange Thickness: ~7.5mm Installation Guide: Not Included Qty: 4pcs Placement on Vehicle: Front Part Number 1: htT4235428 Part Number 2: Flange Oil Feed Inlet Outlet Turbo Turbine Charger 4AN Fitting Fitment Type: Direct Replacement Fitment: For T3 T3/T4 T04 T4 To4 GT40R GT42 GT42R GT42RS Color: Silver + Black Material: 6061 billet aluminum Package Contents: 2 * Screws (26mm) 2 * Gaskets Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.