Edelbrock 1574 Stage 1 Supercharger for 2010-2013 Corvette Grand Sport LS3-Dry Sump W/ TuneEdelbrock Stg 1 SC #1574 For 10 13 Corvette Grand Sport LS3 Dry Sump W Tune The Edelbrock supercharger Stage 1 Street system part #1574 for 2010 13 Corvette Grand Sport with Dry sump increases the performance of your LS3 engine to 554 horsepower and 515 ft lbs of torque to the flywheel. The core of this system is the Eaton Gen VI 2300 TVS rotating assembly with a four lobe design with 160 degrees of twist for maximum flow, minimum temperature rise and