Boat Motor Piston Ring Set STD 68mm 356-00011-0 M 39 16054A4 8M0080349 Compatible with Tohatsu Nissan Mercury 40HP 50HP 2-Stroke Engine

Direct OEM Compatibility: Precision engineered to match original manufacturing standards. Directly replaces factory part numbers 356-00011-0, 356-00011-1, 356000110M, and Mercury Quicksilver 16054A4.
Premium Taiwan Quality: 100% Made in Taiwan using professional-grade, high-tensile casting materials. Delivers exceptional resistance to heat and friction inside intense marine environments.
Standard 68mm Bore Fitment: Designed explicitly for standard-sized cylinders requiring a 68mm bore profile. Restores factory compression levels and remedies heavy exhaust blow-by.
Multi-Brand Outboard Fit: Universally compatible with popular Tohatsu, Nissan, and Mercury 2-Stroke marine outboards spanning across 40HP and 50HP horsepower configurations.
Complete Cylinder Refresh Set: Package contains two (2) premium piston rings configured to complete one full piston rebuild. We recommend checking your exact serial model before purchasing.