SKU: BPO71576-12
MPN: 71576
PENNGRADE Motor Oil 20W50 Motorcycle Oil in a case of 12 one-quart bottles is designed for riders who demand maximum protection in high-performance and vintage motorcycle engines. This formulation is ideal for air-cooled and liquid-cooled motorcycles operating in warm climates or during aggressive riding seasons where sustained heat and load stress require robust film strength.
The 20W50 viscosity rating balances cold-start pumpability with hot-running film strength, ensuring adequate oil flow at lower temperatures while maintaining a protective 50-weight barrier under sustained high-RPM operation and peak cylinder pressure. PENNGRADE formulations incorporate anti-oxidation additives and rust inhibitors that resist breakdown under the sustained combustion temperatures and moisture exposure common in motorcycle engines, particularly those with extended service intervals.
This product is most effective for owners of vintage cruisers, Harley-Davidson engines, and touring motorcycles that specify 20W50 or heavier oils. It is particularly beneficial for air-cooled engines where cooling airflow is limited and oil degrades faster than in automotive applications, helping to prevent sludge formation and varnish buildup.
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