The Edelbrock E-Force supercharger system (part #15770) is for 2003–2007 Silverado/Sierra Gen III 4.8L, 5.3L and 6.0L engines. Using an Eaton Gen VI 2300 TVS rotor assembly and a high-capacity air-to-water intercooler, the Stage 1 Street kit raises rear-wheel output—Edelbrock cites up to 364 hp and 397 ft-lbs for the 6.0L and about 339 hp and 359 ft-lbs for the 4.8L/5.3L when used with the proper Edelbrock tune. Handheld programmer not included.
Edelbrock 03-07 Silverado/Sierra 4.8L/5.3L/6.0L E-Force Supercharger (No Tune)