Mercury - Valve kit-relief - 812499A1 Mercury Mercruiser External Engine Match your engine model with

Match your engine model with part number 8M6007520 or check your owner’s manual

If your outboard falls within the two hundred to three hundred horsepower Yamaha high performance category

protective film you can trust

Designed for MerCruiser Bravo Three drives (serial number 0M179452 and newer)

Mercury Premium Plus delivers more than smooth lubrication

Mercury - Valve kit-relief - 812499A1 Mercury Mercruiser External Engine Match your engine model withValve kit relief WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.