ITEM NAME:4AN Turbo Oil Return and Feed Flange For T3/T4 Description: Billet Aluminum Flanges Features a Heavy Thick Base that will not distort or Leak. Center Hole threaded for AN10 fittings. 2.0inch Center To Center Mounting Holes. Fit for T3/T4 s. Specification: Size: Approx.69x25x52mm/2.71x0.98x2.04inch Package Includes: 1 set oil feed flange SKU: DMO0000239852030570.1 set oil feed flange. Fit for T3/T4 s. Center Hole threaded for AN10 fittings. Billet Aluminum Flanges Features a Heavy Thick Base that will not distort or Leak.