Big Owl Semi-Synthetic 5W-30 Motor Oil is manufactured with premium quality base stocks and engineered with premium quality additive technology. These oils have excellent boundary lubrication, excellent cold temperature performance and outstanding resistance to evaporation. Big Owl Semi-Synthetic 5W-30 Motor Oil meets or exceeds the requirements of API Service SN Plus, SN, SM, SL; Resource Conserving ILSAC GF-6; ACEA A5/B5; Ford WSS-M2C946-B1;