Oil Cooler Port Block Off Plate Billet

The Oil Cooler Port Block Off Plate Billet from Racing Power Co-Packaged is a precision aluminum solution designed for GM LS-series engine builders and performance enthusiasts who need to seal off unused oil cooler ports. This block off plate eliminates the need for external oil cooler plumbing when converting LS engines to alternative cooling configurations, making it an essential component for engine swaps, custom builds, and racing applications where weight reduction or system simplification is critical.

Manufactured from billet aluminum and finished in natural anodize, this block off plate features a robust 1/2-inch thick construction that withstands engine bay pressures and thermal cycling without deflection or failure. The plate comes complete with precision-engineered hardware and an O-ring seal that creates a leak-free barrier against oil seepage at the mounting interface. The compact 4 x 6-inch footprint and lightweight design at just 0.12 lbs make installation straightforward while maintaining structural integrity in high-performance and race engine applications where reliability cannot be compromised.

Professional engine builders, LS engine swap specialists, and drag racing teams rely on this block off plate to cleanly eliminate oil cooler ports without drilling, tapping, or fabricating custom solutions. Whether you're converting a carbureted LS to fuel injection, transitioning to a remote oil cooler setup, or building a dedicated race engine, this plate integrates seamlessly with GM LS-series block ports. Its OEM-quality construction ensures a permanent solution that maintains pressure integrity and prevents contaminant entry into the oil system.