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The AIRAID PowerAid throttle body spacer for 2007–2013 Avalanche, Sierra and Silverado 4.8/5.3/6.0L applications uses a patented Helix Bore to spin incoming air as it passes through the spacer, boosting air velocity and improving atomization of the air/fuel mixture for stronger mid-range torque. This true bolt-on upgrade includes mounting hardware and installs with common hand tools without drilling or cutting.
Airaid 07-13 Avalanche/Sierra/Silverado 4.8/5.3/6.0L PowerAid TB Spacer
