Engine Piston Set (89.50 mm 0.50 Oversize) for Nissan Pickup SD23 / SD25 Engine

High-precision engine piston set with a 89.50 mm (0.50 mm Oversize) diameter, specifically designed for Nissan Pickup models (1986-1988) equipped with the SD23 and SD25 diesel engines. These pistons are engineered for engines undergoing professional cylinder boring and reconditioning. Manufactured from premium-grade, thermal-resistant aluminum alloys to withstand the mechanical stresses and high thermal loads typical of Nissan's SD diesel series. They provide a superior seal within the oversized cylinder, effectively preventing oil consumption and restoring original engine torque and fuel efficiency in rebuilt units.