Edelbrock Supercharger Stage 1 for 2009–2010 5.7L HEMIMore Power, More FunThe Edelbrock Supercharger Stage 1 for 2009 2010 5. 7L HEMI turns your car into a street machine. This system boosts your engine to 506 horsepower and 501 ft lbs of torque at the flywheel. Whats Inside: Eaton Gen VI 2300 Supercharger with 4 lobe twist design Integrated bypass valve to save fuel during cruising Short, smooth air path (no jackshaft needed) High capacity air to water intercooler and heat exchanger for cool, clean air