PennGrade 1 SAE 50 High Performance Oil - Case of 12 - 1 Quart Bottles Conrod 1982-1990 GMC S15 CID 305

1982-1990 GMC S15 CID 305 GAS RWD

Improved Appearance When Used w/ Earl's Black Oil Coolers

Designed for 1982-85 2

Inside tang to taper relationship held tightly for repeatable valve spring installed heights

Dodge Ram Fullsize Truck 2013-15

PennGrade 1 SAE 50 High Performance Oil - Case of 12 - 1 Quart Bottles Conrod 1982-1990 GMC S15 CID 305Heavy viscosity, straight grade motor oil designed to provide superior lubrication to high performance competition engines fueled by gasoline, methanol or nitromethane. Superior alcohol separation assures continual lubricant protection to the engine. PENN GRADE 1(R) High Performance Oils are specially formulated using high quality PENN GRADE? base stocks and select additive technologies to meet the stringent lubricating demands of high performance,