The BEPCO 745764M91 is a genuine aftermarket piston ring set designed for Perkins A4.212 diesel engines. This high-quality set includes rings with thicknesses of 3.175mm, 2.38mm, and 4.76mm, engineered for a 108mm bore. It ensures optimal engine performance and sealing, serving as a direct replacement for OEM part number 745764M91. This set is compatible with a wide range of Massey Ferguson tractors, including models 165, 175, 178, 265, 275, 285, 565, 575, 590, 675, 690, 1080, 1085, 3050, 3060, 3065, 3070, 3075, 3080, 3085, 3090, 3095, 3115, 3120, 3125, 6160, 6170, 6180, 6190, 8110, 8120, 8130, 8140, 8150, and 8160.