This is one of our typical TPIS 383. This engine features Dart cyl. heads, Callies Dragonslayer crank, Manely Sportsmaster rods, Diamond pistons, Total Seal rings, TPIS ZZ-409 camshaft (226 @ .050" & .520 lift w/ 112 lobe sep), Comp Cams Magnum rockers, and .080 wall pushrods. A Cloyes Tru-Roller timing chain set and a Champ baffled oil pan finishes the build. Dyno #'s with a Mini-Ram are around 470hp and 455ft/lbs of torque.