I was looking through my July 2007 Popular Mechanics magazine which I received in my snail mail a couple of weeks ago.A big two page ad about the new spark plugs.
Also, in my snail mail this morning is an O'Reilly auto parts flyer.Measure & Charge Refrigerant and Oil.Contains refrigerant,oil and stop leak.19 ounzes. INT MAC134 $19.95 cuhulin