Part # P5007665AC 500 WEDGE SHORT BLOCK ASSEMBLY The Mopar Performance 500 Cubic Inch Wedge Short Block Assembly is the ideal starting point for some truly impressive Horsepower and Torque Numbers! Use the right combination of Mopar Performance components to build up this Big Block Brute, and you'll leave the competition in the dust. With Premium bottom end components, this Wedge short block can handle just about anything you throw at it! Check with BPE or The UP & COMING M.P. Big Block Section on this WebSite or In Your M.P. Catalog. Specifications: * Built with all - new components (not remanufactured) * Standard deck height * Heavy-Duty Cast Iron, Siamese - Bore Cross - Bolted Block - thick wall thick deck * Forged Crankshaft - 4340 Steel, 4.15" Stroke * Forged Rods * Flat - Top Cast Hypereutectic Aluminum Pistons - 4.380" Bore, 10.25:1 Ratio with open chamber * "H" Beam - Style Premium Connecting Rods * 1/16" Moly Rings Note: Short Block Assemblies that change the emissions performance of the vehicle may not be legal for use on vehicles regulated for highway use in California and other states. HorsePower and Torque rating based on test engine. Ratings may vary on individual engines. Not Legal for sale on pollution - controlled vehicles or vehicles registered for highway use.