426 Hemi JP1 professionally built engine .Also KB aluminum Block with Donovan front cover. 2 sets of Aluminum heads ready to go .6-8 new cams ,Titanium valves,20 plus new JE pistons .8 sets of new triple Springs.All other racing parts like Piston rings ,lashes ,Titanium caps,Valves guides ,Bearings,total seal rings,injector nozzles ,lash caps,oil seals,,And others parts included.