Boss Audio MCKGB350W.6 Marine Stereo & 6.5" Speaker Kit - White MELGFMOUN3 5" Shaft or 2

5" Shaft or 2

Fits most Mercury/Mariner 35 hp and above

Required for the conversion from a SyTen cylinder to a current SeaStar cylinder

Used on engines with closed cooling

Cupboard Bolt

Boss Audio MCKGB350W.6 Marine Stereo & 6.5" Speaker Kit - White MELGFMOUN3 5" Shaft or 2MCKGB350W. 6 Marine Stereo & 6. 5" Speaker Kit White This stereo speaker combo package from Boss is a great way to upgrade the audio on your boat, RV or ATV without emptying your wallet. The all weather stereo features built in Bluetooth, so you can stream your favorite tunes without taking your phone out of your pocket. And your music will sound great on the 6 1 2" marine rated speakers. This package also includes a 41" dipole antenna and mounting