PennGrade 1® Synthetic Blend SAE 10W-30 is intentionally designed for enthusiasts who demand proven protection for classic, muscle and high-performance engines.
Formulated with premium PennGrade® base oils and advanced additive technology, it delivers outstanding wear protection, exceptional film strength and high-zinc performance under extreme heat and RPM. Trusted by racers, builders and performance drivers for generations, it is built to protect engines that are pushed harder and driven longer.
