Evergreen EGR-6.0-CNK-5 Upgraged Oil Cooler, Upgraded EGR Cooler Kit, and Head Gaskets (20mm dowel pins) Ford 6.0 OHV V8 Diesel Turbo MLS Head Gasket with 20mm dowel pins Factory honeycomb is replaced with bigger stainless steel tubing which allows for better exhaust gas flow into manifold Pressure tested tig welds guaranteed not to leak Direct replacement of existing EGR cooler Please see description details below to ensure the fitment