Engine Piston Ring Set (81.50 mm 0.50 Oversize) for Mitsubishi Carisma 1.6 & 1.8 (4G92 / 4G93)

High-performance engine piston ring set with an 81.50 mm (0.50 mm Oversize) diameter, specifically engineered for Mitsubishi Carisma models (1997-1999) equipped with 1.6L 4G92 and 1.8L 4G93 engines. These rings are designed for engines undergoing professional cylinder boring and reconditioning to 0.50 mm over standard. Manufactured from premium-grade, heat-resistant alloys to withstand the high-revving nature and thermal loads of Mitsubishi's 4G9 series powerplants. Precision-machined to ensure superior oil control and cylinder sealing, effectively preventing blow-by and oil consumption while restoring original engine torque and performance in rebuilt units.