A RINGS-Standard by Mercury. The 2.0 LITER V6 (18-3921) is a cylindrical engine component that moves back and forth in the cylinder bore forces generated during combustion. The combustion chamber has...
The MERCURY RING -SET - STD.*CLEARANCE is a high-quality 3.625 standard bore ring designed for Mercury marine applications. This long-lasting ring set is compatible with Mallory 9-54237 and Mercury...
The Mercury Ring Set - Standard. (18-3982) by Sierra Marine Engine Parts is a high-quality and original factory-made ring set with a bore size of 3.500 standards and is designed for use in Mercury...