Best Supercharger Available. The Whipple Twin Screw Compressor is the best supercharger on the market and it's the primary focus of this supercharger kit. It provides a broad power band and approximately 85% increase in horsepower, which are both critical to provide a true supercharge over the OEM Sierra system. Whipple is an expert in supercharger design and implementation and consistently provides the best superchargers available to consumers.

Durable and Dependable. In addition to providing low-end torque and high efficiency for max overall horsepower, the Whipple W140AX is also a durable and dependable design. Featuring a textured semi-gloss black finish, this supercharger functions exceptionally for both low and high boost levels. It provides a high adiabatic and volumetric efficiency.

Installation. Be sure to verify fitment and your parts list prior to beginning the installation. Read all instructions and have all needed tools available. This kit includes an oversized intercooled air-bypass system, high flow air filter, high flow fuel injectors, 3 minute pulleys and everything you need to install this Whipple Twin Screw Supercharger in your 6.0L Sierra.

Application. This Black Whipple W140AX 2.3L Intercooled Supercharger Kit is designed to fit 2007-2009 6.0L GMC Sierra, excluding 6.0L Hybrid models.

Fitment: 2007 2008 2009 Details