PennGrade 1 10w-30 Synthetic Blend Performance Oil. Winning races and protecting engines for decades! PennGrade 1®: The Origins of the Original Green Oil®. Our story began with Kendall GT-1 Racing Oil circa 1965 at the Kendall Refinery in Bradford, Pennsylvania.

Brand: PennGrade 1
Type: Synthetic Blend
Oil Viscosity: 10W - 30
Volume: 1qt.
Manufacturer Part Number: 71506-12
Package Quantity: Pack of 12
Country/Region of Manufacture: United States