The Case-IH 751604R92GV is a genuine Piston and Ring Set designed for various Case-IH agricultural and industrial tractors. This essential engine component is compatible with D179, D206, D239, and D246 engines. The 3-ring piston features a precise bore of 98.425mm (3.875 inches), a stroke of 109.982mm (4.330 inches), and a pin diameter of 34.925mm (1.375 inches). With a compression ratio of 18.5:1 and a weight of approximately 2.27 kg, this piston and ring set ensures optimal engine performance, durability, and a proper seal for efficient combustion.