Ilmor 501-0050 Alternator upgrade kit. This is the best way to get more power to your MasterCraft boats accessories, and just all around performance. When adding more batteries, Stereo equipment, and ballast. The engine and its components have to work even harder. Upgrading your Ilmor Alternator to give your MasterCraft boat more power is the way to go. This kit comes with everything you need to install it on your own. 170 amp
