The shim for the relief valve (code K 86056) in the Sulzer ZV40/48 engine is a small but essential component that fine-tunes the valve’s pressure settings. By allowing precise adjustments, this shim ensures the relief valve operates efficiently, preventing excessive pressure buildup and protecting engine components from potential damage. Manufactured from high-quality materials, it is designed to endure high operational stresses while maintaining accuracy. Regular inspections and necessary replacements of the shim are crucial for optimal valve performance, contributing to the overall reliability and safety of the engine system.