Edelbrock Supercharger Stage 1 - Street Kit 2003-2006 GM Gmt800 Trucks 4 8 5 3 6 0L w/ Tuner

If you're looking to add serious power to your 2003-2007 GM truck or SUV, this Edelbrock Stage 1 Street Supercharger Kit is a solid option. It's designed to fit a range of popular GMT800 platform vehicles, including the Chevrolet Avalanche 1500, Silverado 1500, and GMC Sierra 1500 models, working with the 4.8L, 5.3L, and 6.0L Gen III engines. This kit is engineered to significantly increase horsepower and torque, transforming your truck's performance for everyday driving and towing.

At the heart of this system is an Eaton Gen VI 2300 TVS supercharger, featuring a four-lobe design with 160 degrees of twist. This advanced design helps maximize airflow while minimizing temperature rise and keeping operation quiet for excellent drivability. Edelbrock also integrated a bypass valve to reduce parasitic drag under light throttle, which can help maintain fuel economy. The inlet configuration is designed for a shorter, less restrictive path for improved airflow, and it includes a high-capacity air-to-water intercooler and low-temp heat exchanger to keep intake air cool, which is crucial for consistent power output.

This Edelbrock #1577 kit is 50-state emissions legal, making it a great choice for many customers. The included tuner is calibrated for stock vehicles with the addition of a cat-back exhaust system. For the 6.0L engine, expect an increase to approximately 348 horsepower and 381 ft-lbs of torque at the rear wheels. The 4.8L engine sees gains to about 339 horsepower and 359 ft-lbs of torque, while the 5.3L engine reaches around 345 horsepower and 381 ft-lbs of torque. This kit is a comprehensive package designed to deliver a substantial performance upgrade.