Sierra 18-4638 .015 OS Bore V6 Piston Kit

Replaces OEM part #•MERCURY MARINE 2705-826266A5For:140-200 HP; XR6/ MAGIII; V-6 Cyl.; 3.515/.015 (stbd) boreContains:18-4638 Piston -replaces O.E.# 785-9738T1018-3983 Piston Ring - replaces O.E.# 39-822321A118-4287 Wrist Pin Circlips (Not Sold Separately)