This piston rings set includes four 77.5mm rings with a +0.5mm oversize design, compatible with part numbers 23410-2BCA0 and 234102BCA0.Designed for select 1.6L T-GDI engines used in vehicles from 2011 to 2019, including Accent, Verna, i30, Kona, Lafesta, Mistra, Sonata, Tucson, Cee'd, Ceed, K3, K4, KX3, Optima, Seltos, and Soul.This component supports engine rebuilds and is intended for applications requiring precise fitment and function.