Bigger is truly better in high-performance engines. Mopar Performance has developed a huge 528 HEMI Crate Engine that cranks out a whopping 610 HorsePower and 650 Ft. Lbs. Of Torque! Mopar Performance recommends that for maximum performance, an 850/900 cfm Holley Carburetor and 2 1/4" Exhaust Headers be used. Options: Cross Ram Intake (Part# P5007334) Holley Carburetors (Part# P4452778 & P4452779) HEMI Air Horns (Part# P5007809) Linkage Kit (Part# P4510635). Listed Above In Blue, Needed To Go Along With Your 528HEMI. Specifications: * Built with all - new components * Heavy - Duty Siamesed Bore Cast Iron Block with cross - bolted mains * Aluminum Cylinder Heads * Black Cast Aluminum Valve Covers * Breathers * Stainless Steel 2.25" Intake Valves and 1.94" Exhaust Valves * Heavy - Duty Single Valve Springs * Premium Material Valve Stem Seals * 292º Hydraulic Camshaft - 0.524" / 0.543" Lift * Forged Pistons - 4.50" Bore, 10.25:1 Compression Ratio * Aluminum Dual Plane M1 4-bbl Intake Manifold * Forged Steel Crankshaft - 4.15" Stroke * Precision Double Roller Timing Chain and Sprockets * Chrome Front Cover * 6 - Quart Rear Sump Oil Pan (1970-71 B- and E-Body Style) * Spark Plug Wires * High - Performance Electronic Distributor * Heavy-Duty Engine Stand and Shipping Crate Note: 10.25:1 Compression Ratio with Aluminum Heads allows the use of current high octane premium pump gasoline. Crate engines 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. P5007630AC 528 HEMI Crate Engine - 610 HorsePower & 650 Ft. Lbs. Torque