The McCormick VP511548 is a genuine OEM piston ring with a 100mm bore, designed for optimal engine performance and durability in a wide range of McCormick agricultural tractors. This essential engine component ensures proper compression and oil control within the cylinder, contributing to efficient combustion and reduced oil consumption. It is compatible with numerous McCormick models including CX, C, MC, MTX, T, and V series, ensuring a precise fit and reliable operation.