M-4 ProCharger complete kit. Includes the head unit (polished), your choice of carb box, one has the Offenhauser manifold, polished box and carbs, or a polished box without carbs, polished mounting plate, pulleys, and polished AW-504 intercooler. also includes hardware and rubber 90 elbows. Also have boost referenced fuel pressure regulators and braided lines to connect carbs. This was only used briefly on a dyno for testing Contact Rob through PM or call (509)342-1705 to discuss pricing. This is very negotiable depending on what you want or need. Thanks.