AM708T New 2 Cylinder Piston Ring Set Fits John Deere Tractor M MC MI MT MTN +One New Aftermarket Replacement 2 Cylinder Piston Ring Set Fits John Deere Tractor models: [ M, MC, MI, MT, MTN, MTW (W 4" bore, (2) 0. 156" and (1) 0. 125" compression rings, (1) 0. 250" oil ring) ] **Measure old rings before ordering. Do NOT order by tractor model only. Due to many different piston manufacturers, there can be as many as 8 different ring set available for one particular engine. To ensure you order the correct rings, we need the