Engine Piston Ring Set (86.50 mm 0.50 Oversize) for Toyota Corona 2.0 3S-FE Engine

High-performance engine piston ring set with an 86.50 mm (0.50 mm Oversize) diameter, specifically engineered for Toyota Corona ST191 models equipped with the 2.0L 3S-FE gasoline engine. 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 mechanical stresses and thermal loads of Toyota's S-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 fuel efficiency in rebuilt units.