Started life as a brand new 10237300 Big Block V8 1996+ 502, 4 bolt, Generation VI, 4.466 bore. New Crane 13-1.80 Rocker Arms. New Mild Street Hydraulic Cam. Then transformed in to this beast of a 540 with approx 675 hp. New GM 12363391 Oval Port Aluminum heads satin finished. Powder coated new manifold. New Holley 850 830 Double Pumper 6R5533B Carburetor. Powder coated new oil pan. New Polished and Satin finished Chevrolet valve covers. New 14x5 K&N Air Filter. New Holley 4781-E double pumper carburetor. New double pumper black AN fuel line. New MSD distributor and wires. New satin water pump. New satin aluminum timing cover. So much more and yes it's 100% all new parts. Still has break-in lube everywhere. Built by Jim Shewbert (Keith Black, Ed Pink, J.B. Nethercutt, etc).