SKU: BPO71096
UPC: 816558021264
MPN: BPO71096
PENNGRADE Motor Oil 5W30 Racing Oil in 1-quart partial synthetic formulation is engineered for high-performance engine protection in demanding motorsports and heavy-duty applications. This semi-synthetic blend delivers elevated zinc levels—a critical additive package for flat-tappet cam engines and competition powerplants where boundary lubrication under extreme load is non-negotiable.
The 5W30 viscosity rating ensures reliable cold-start flow in cooler conditions while maintaining robust film strength at elevated operating temperatures typical of high-RPM racing engines. The high-zinc formulation—often called ZDDP (zinc dialkyldithiophosphate)—provides anti-wear protection that conventional mineral oils and modern low-SAPS synthetics cannot match, making this oil the standard choice for carbureted engines, vintage performance builds, and racing applications where modern engine oil restrictions would compromise protection. Each 1-quart bottle arrives ready for use, allowing quick top-ups or complete fluid changes without committing to a full gallon.
Buyers restoring or maintaining vintage muscle cars, street rods, classic off-road vehicles, or bracket-racing engines rely on PENNGRADE 5W30 racing oil to deliver the anti-wear additives modern oils have eliminated to meet emission standards. This product fills the gap for engines designed before catalytic converters and oxygen sensors became standard, where zinc-rich oils are essential for cam lobe longevity and valve train protection. The partial synthetic base stock balances affordability with improved stability over full mineral formulations, making it practical for frequent changes in high-performance service.
TacticalSurplusUSA stocks this 1-quart bottle for customers building or maintaining competition and classic engines where high-zinc motor oil specification is a non-negotiable requirement. The compact 1-quart size offers flexibility for stock rotation, blending, or supplementing larger oil system refills without waste.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
