Its a bbc 468 with bowtie raised port heads intake ports flow 380.valves are 225/188 110cc,flat top pistons 9to1compresson the cam is 717 intake 731 exhaust duration 290/294. Turbo 400 with 4000 stall. 4:10 gears with a vortech ysi supercharger 15psi of boost.and i drive it on the street. Let me know if you need more info...thanks brian