The McCormick 1442584X1 Piston Ring is a genuine OEM component designed for various McCormick CX series tractors. This essential engine part ensures proper compression and oil control within the cylinder, contributing to efficient engine operation and longevity. Manufactured to precise specifications, this piston ring features a bore diameter of 88.9 mm and a thickness of 2.38 mm, guaranteeing a perfect fit and reliable performance.