In a message dated 2/11/2004 7:31:00 AM Central Standard Time, vanOss@centurytel.net writes: One question: This radiator has brass fittings on one of the end tanks. On the car, some sort of metal tubing connects to these fittings. What's that for? Those are the ATX cooling connections. Bob 93 MTX 91 Audi 200q20v 96 VW GLX VR6 01 Taurus w/ Duratech