GM LS V8 Engine; 7.0L/ 427 Cubic Inch; Carbureted; Automotive; 625 Horsepower/ 575 Foot Pounds of Torque; Aluminum Cylinder Heads; 11:1 Compression Ratio/ 4.06 Inch Bore/ 4.125 Inch Stroke; Internally Balanced; With Cylinder Heads/ Forged Steel Crankshaft/ Forged Pistons/ Hydraulic Roller Camshaft/ Base Dressed Long Block/ 6 Bolt Main Block/ 1 Piece Rear Main Seal/ Forged 6.25 Inch Connecting Rods/ Valve Covers/ Retro Fit Oil Pan/ Timing Cover/ Harmonic Balancer/ 850 CFM Carburetor With Mechanical Secondaries/ Dual Accelerator Pumps/ Mechanical Choke/ Aluminum Intake Manifold/ Coil Packs And Coil Pack Harness/ MAP Sensors/ Spark Plug And Wires