PennGrade 1 High Performance Oil

The best engines deserve the best oil.

PennGrade 1 "The Original Green Oil" has been proven to protect against wear in the most brutal engine applications. Available in SAE 30, 40, 50, 60, and 'Nitro" 70 monogrades, 10w-40, 20w-50 four stroke motorcycle oil, and "classic" GL-4 gear oil, this legendary oil is still 100% Made in USA and is a top choice of engine builders and racers worldwide.