Sierra 18-4530 2 Ring .030 OS Bore Inline Piston Kit Low Dome

Replaces OEM part #•MERCURY MARINE 774-9096A1•MERCURY MARINE 774-9137A11For 2-ring Pistons:35-140 HP; 2-6 Cyl.; 2.905 /.030 boreContains:18-4530 Piston - replaces O.E.# 774-9137A1118-3920 Piston Ring - replaces - O.E# 39-81706A26Wrist Pin (Not Sold Separately)18-4294 Circlips - replaces O.E# 40-52035