4pcs G4K7 Engine Car Pistons and Rings Set designed for compatibility with specific vehicle models.Constructed from forged aluminum, the pistons are engineered to support engine performance under regular operating conditions.The set includes four engine pistons, four piston pins, and one complete set of piston rings, providing all necessary components for a full piston assembly replacement.design allows fitment for applications corresponding to OE part numbers 23510-2GGA0, 23510-2G540, 235102G500, and 23410-2G500.Intended for use in 2011-2013 Sonata and Optima 2.4L models, the kit supports efficient engine rebuilds with consistent dimensional accuracy.The forged aluminum material contributes to while maintaining operational efficiency.The complete piston and ring assembly is designed for straightforward installation into the engine block, making it suitable for engine overhauls.Each component is built to match specifications, function within the engine's internal system.This piston set offers a practical solution for restoring engine performance in compatible vehicles.