CP Pistons CP Pistons 2-N26-4000-0THG CP 1.2mm Cast Iron Back Cut 2nd Ring 4.000 bore Taper Hook Groove (Napier)
CP Pistons CP Pistons SWC-10015-0 CP Ring Set 1.2mm Top Ring - 1.5mm 2nd Ring - 3.0mm Oil Ring - 3.780 bore