Engine Piston Ring Set (80.50 mm 0.50 Oversize) for Nissan Sunny 1.7 CD17 Diesel

High-performance engine piston ring set with an 80.50 mm (0.50 mm Oversize) diameter, specifically engineered for Nissan Sunny models equipped with the 1.7L CD17 diesel engine. These rings are designed for engines undergoing professional cylinder boring and reconditioning to 0.50 mm over standard. Manufactured from premium, heat-resistant alloys to withstand the mechanical stresses and high compression ratios of Nissan's CD diesel powerplants. Precision-machined to ensure superior oil control and cylinder sealing, effectively preventing blow-by and oil consumption in rebuilt units.