PENN GRADE 71156, Monograde High Performance Oil SAE 50, 12 Quart

Engineered to minimize wear when stressed, even during dry or cold starts Features a 50W oil weight and is sold in a case of 12 conveniently sized, one quart bottles It delivers excellent shock load and high temperature protection to heavily stressed engine parts It's 1,500 ppm Zinc and 1,340-1,400 ppm Phosphorus contents provide the needed anti-wear protection to critical engine parts This high performance engine oil features synthetic components which facilitate improved cold starting and better protection