Mercury Oil Change Kit 15/20 HP Carb Models | Quicksilver 8M0081910 Exhaust Flapper Valves 17 tooth spline

17 tooth spline

2-1/4 inch stroke

thick or 4

the Piranha system is designed for easy assembly

Scupper drain

Mercury Oil Change Kit 15/20 HP Carb Models | Quicksilver 8M0081910 Exhaust Flapper Valves 17 tooth splineConvenient Quicksilver oil change kits make it easy to change your own oil. The kits contain industry leading Quicksilver 25W 40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a high tech, advanced set of anti wear additives that provide up to 33% better camshaft wear protection and the highest levels of corrosion and oxidation protection. Designed to maintain engine