The SHIM | OEM 15-812770A1 by RECMAR is a high-quality replacement part designed specifically for Mercruiser engines. This essential component ensures optimal performance and longevity of your marine engine. Crafted with precision and durability in mind, this OEM shim guarantees a perfect fit and seamless integration into your Mercruiser system. Whether you're a professional mechanic or a DIY enthusiast, this reliable product will help you maintain the smooth operation of your boat's engine. Upgrade your Mercruiser engine with the SHIM | OEM 15-812770A1 by RECMAR and experience enhanced performance and peace of mind on the water.