From the desk @ MWSC "Block for the FXS, Total of 44 cubic inches with a projected 80+ HP and 75 ft lbs of torque. Should be a handful to drive. Billet steel crank, billet rod, 1.8 Rockers, custom made by Comp Cams, 42mm custom made Tillotson carb, crank trigger ignition, billet aluminum flywheel, big Titanium Valves with copper seats and PAC racing valve springs. If anyone else wants an engine like this they are $4900.00 no core required."