This is a fresh built Dodge Mopar R5 P7 Nascar engine. Professionally. This engine has NEW CP pistons, NEW Total Seal rings, NEW Clevite bearings, NEW Cometic gaskets, NEW Moroso Distributor, NEW Dodge R5 block, NEW spark plugs. All other parts are used but inspected and still have more life in them. It has Bryant 40lb crankshaft, Carrillo rods, low profile Moroso stainless steel oil pan, Competition Cams custom grind roller camshaft, Jesel roller lifters, Jesel belt drive, ATI balancer, 6 stage Barnes dry sump oil pump, lightweight oil lines, CV Products billet hi-flow fuel pump, CNC ported P7 aluminum cylinder heads from top Nascar team, Mopar ported intake manifold from same team as heads, Jesel shaft mounted roller rocker arms, Xceldyne titanium valves locks and retainers, PSI roller valve springs, Smith Bros 7/16" pushrods, Dodge aluminum valve covers with valve spring oilers. It is 357 CID and 12:1 compression ratio and makes 819 horsepower & 562ft-lb torque.