Royal Purple 01130 10W-30 Multi-Grade Motor Oil 1 Quart Royal Purple® High Performance engine oils carry the current API and ILSAC engine oil licenses, as well as the GM dexos1™* gasoline engine oil approval. Enhanced additive technology prevents metal-to-metal contact beyond both GM dexos1™* and ILSAC GF-5 specsA low coefficient of friction results in optimized fuel efficiency (the fuel economy of our 5W-30 meets the fuel economy requirements of a 5W-20 oil) Patented anti- wear additive chemistry minimizes the harmful effects exhaust gases pose to the catalyst Patented additive technology prevents the white sludge and lubrication starvation that can occur with higher concentration gasoline-ethanol blends No rust observed in standard industry testing
