Dart little m block dart heads. KB carburetor, callies crank, T & D shaft rockers. Too much to list. Peterson dry sump tank, lines and 3 stage pump. spent 10k on freshen alone. Please call 541-306-8261 for details. 680 HP 580 torque as measured by Grays Racing engines in Tigard, Oregon. 8,000 without carb, spacer, or dry sump.