4pcs pistons rings set with cylinder bore Φ84.00 mm, wrist pin diameter Φ20 mm, wrist pin length 50 mm, and ring thicknesses of 1.2 mm (first ring), 1.5 mm (second ring), and 2.0 mm (third ring).Designed for standard specification (no cylinder bore expansion required).Compatible with N46B20B, N46B20C, N46B20E, N46B20BD, N46B20CC, and N46B20CD engines.Fits models equipped with the 2.0 L naturally aspirated inline-4 engine (1995 cc).Includes four pistons with corresponding rings.Replaces OE numbers 11257562451, 11257548001, 11257540067, 11257562457, 11257556435, 11257541469, 99772600, 40085600, and WG1016344.This is a non-OEM replacement part.Any trademarks or model numbers cited are used strictly to demonstrate compatibility.