The tired old 300hp 327 engine was replaced by a strong running 350/350hp 4-bolt main with 9:1 compression. It runs great and looks stock. The factory 2 1/2" exhaust system sounds really healthy without being loud. It has power steering and 4-wheel disc brakes. muncie 4- speed tranmission. Completely rebuilt suspension and with upgrades: stainless brake calipers, stainless fuel and brake lines, stainless parking brake components, etc.