This advanced engine oil is available in both 10W30 and 15W50 formulas and is perfect for late model or classic engines with flat tappet valve trains
http://www.compcams.com/Products/CC-%27Lubricants%27-1.aspx?AID=3236
http://www.compcams.com/Products/CC-%27Lubricants%27-1.aspx?AID=3236