500hp big block gm motor 4500.00

Have a 454 engine zero miles has aprox 500-515 Hp has closed chamber heads with mild porting 225 188 exh Stainless steel valves has 11-600-4 comp cams not a race cam but healthy idle also has 60lb of hot idle.All the valve train is comp cams.comes with new Edlebrock intake with new hei Dist.new Sfi flexplate.