High Performance Billet Aluminum Throttle Body Spacer Silver Anodized Aluminum. 2001-2006 GMC Sierra 1500 4.3L V6. Throttle Body Spacer. 2001-2006 Chevrolet Silverado 1500 4.3L V6. High Performance Vortex Power Flow TBS Installs Between Intake Manifold & Throttle Body To Raise The Throttle Body.
