363 Cubic Inch; 4 Bolt Main; 4.125 Inch Diameter Bore X 3.400 Inch Stroke; 8.2 Inch Deck Height; Internally Balanced; With Scat Forged Crankshaft/ Scat Forged Steel I Beam Rods/ Mahle Forged Aluminum Pistons; Not For Sale On Pollution Control Vehicles