REBUILT CHEVY 350 WITH ONE PIECE REAR SEAL. BLOCK WAS BORED .030 OVER WITH NEW PISTONS & HASTINGS RINGS, ALL NEW BEARINGS, POLISHED CRANK WITH STANDARD BEARINGS, CLOYES ROLLER TIMING SET, MELLING HIGH VOLUMN OIL PUMP WITH STEEL DRIVE ROD, NEW HYDRAULIC COMP CAM, LIFTERS & PUSHRODS ( .443 LIFT & 204 INTAKE 214 EXHAUST DURATION ) REBUILT 1.94 HEADS WITH NEW ALUMINUM AIR GAP INTAKE AND ALL HELD TOGETHER WITH FELPRO GASKETS, THE BLOCK WILL NOT USE A STANDARD FUEL PUMP YOU WILL NEED AN ELECTRIC FUEL PUMP.