Proflow Universal Oil Filter Sandwich Adaptor, Ford & Chev, 90 Deg, AN8 ORB Ports, Billet Aluminum, Black - PFEOS-OB2010Part Number: PFEOS OB2010 This universal sandwich plate is designed to be mounted in between the standard oil filter and engine block and comes with a secondary landing plate for Chevrolet. It comes with a variety of thread inserts which include 3 4 16, 13 16 16 (long and short), M18 x 1. 5 mm, M20 x 1. 5 and M22 x 1. 5 (both female and male are the same thread). Black anodised and has 2 x AN8 ORB ports. Seal I. D: 62mm(2 7 16") Seal O. D: 87mm(3 3