GM Small Block V8 Engine; 6.3L/ 383 Cubic Inch; Electronic Fuel Injection; Automotive; 436 Horsepower/ 443 Foot Pounds of Torque; Cast Iron Block/ Aluminum Cylinder Heads; 10:1 Compression Ratio/ 4 Inch Bore/ 3.75 Inch Stroke; Externally Balanced; With Cylinder Heads/ Steel Crankshaft/ Hypereutectic Pistons/ Hydraulic Roller Camshaft/ Deluxe Dressed Long Block/ 4 Bolt Main Block/ 1 Piece Rear Main Seal/ 5.7 Inch OEM Type Connecting Rods With 150000 PSI Bolts/ Holley Sniper EFI/ Valve Covers/ Harmonic Balancer/ Spark Plugs And Wires/ Long Style Water Pump/ Oil Pan/ Timing Cover/ Dual Plane Satin Aluminum Intake Manifold/ HEI Distributor/ Complete Front Accessory Drive With P/S 7B10 Peanut Style A/C Compressor/ 1 Wire Alternator/ Thermostat And Thermostat Housing/ Air Cleaner/ Black Pulley Kit