Yamaha - Lower unit gasket kit - 66M-W0001-21-00 MerCruiser-5-0L-5-7L-MPI-Alpha-2010 Commonly used in mid-to-high horsepower

Commonly used in mid-to-high horsepower Yamaha four-stroke engines across inshore and offshore applications

Increases air flow for better turbo efficiency

Fits Mercury FourStroke outboards from 30 to 300 horsepower in both three- and four-cylinder configurations

This product has been superseded by: 90-8M0133889

Yamaha - Lower unit gasket kit - 66M-W0001-21-00 MerCruiser-5-0L-5-7L-MPI-Alpha-2010 Commonly used in mid-to-high horsepower66M W0001 21 00 LOWER UNIT GASKET KIT 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.