GM Small Block V8 Engine; 7.4L/ 454 Cubic Inch; Carbureted; Automotive; 563 Horsepower/ 545 Foot Pounds of Torque; Cast Iron Block/ Aluminum Cylinder Heads; 10:1 Compression Ratio/ 4.25 Inch Bore/ 4 Inch Stroke; Internally Balanced; With Cylinder Heads/ Forged Steel Crankshaft/ Forged Pistons/ Hydraulic Roller Camshaft/ Base Dressed Long Block/ 4 Bolt Main Block/ 2 Piece Rear Main Seal/ Forged 6 Inch Connecting Rods/ Valve Covers/ Oil Pan/ Timing Cover/ Harmonic Balancer/ 950 CFM Carburetor/ Distributor/ Aluminum Intake Manifold/ Spark Plug And Wires