Nice polished M4 Procharger, only 14 hours since given a clean bill of health at Procharger. Polished BBC bracket, Polished Procharger intercooler(biggest they make) 4.5" inlet/outlet with bracket to mount on the head, 7 different pulleys, 4 belts, and all the bolts and instructions to assemble it. This set up made 1297hp on a mild 522" BBC on pump gas at 16psi. Comes with several different pulley combinations to make between 7-16 psi(depending on your combo.) Will consider parting out too.