MFG. Part # HP411PM Brand ATK Engines Engine Displacement 8 cu. in. Compression Ratio 10.0:1 Camshaft Type Hydraulic Roller Cylinder Head Material Aluminum Carburetor Included No Intake Manifold Included Yes Distributor Included Yes Valve Covers Included Yes Engine Balance Internal Cylinder Heads Included Yes Rear Main Seal Style 1-piece Throttle Body Included No Oil Pan Included Yes Timing Cover Included Yes Water Pump Included Yes Harmonic Balancer Included Yes Flexplate Included Yes Flywheel Included No Air Cleaner Included No Spark Plugs Included No Spark Plug Wires Included No Computer Included No Wiring Harness Included No GENERAL Assembled Yes Material Type Cast Iron Sold in Quantity Each Crate Engine Family Chevy Big Block Supercharger Included No