The Landini 86721 piston is a high-quality replacement component designed for Perkins A4.212 engines. This piston ensures reliable performance and durability in various Landini 6500 series agricultural tractors, including models 6500, 6500 C, 6500 F, 6500 L, 6500 V, 6550, 6560, 6570, 6580, 6830, and 6840. Featuring a 108 mm bore, 100 mm overall length, 60 mm compression height, and a 35 mm diameter piston pin, it is engineered to precise OEM specifications. It also includes a 54 mm combustion bowl diameter and is designed for 3 piston rings.