Airaid PowerAid Throttle Body Spacer for 20022009 Chevrolet Trailblazer / GMC Envoy 4.2L

Wake up your 4.2L’s throttle response with the Airaid PowerAid Throttle Body Spacer, designed to improve airflow characteristics for stronger everyday drivability. Featuring Airaid’s patented Helix Bore, it helps spin the incoming air charge to increase velocity and promote a more efficient air/fuel mix for cleaner, more complete combustion.

Key Features

• Patented Helix Bore design: Helps improve intake air motion for better atomisation.
• Improves off-idle torque: Supports stronger pull from around 800–3,000 rpm.
• Direct-fit upgrade: Installs between the throttle body and intake manifold.
• DIY-friendly install: Supplied with hardware and instructions.

Vehicle Fitment

2002–2009 Chevrolet Trailblazer 4.2L; 2002–2009 GMC Envoy 4.2L.

Fitment disclaimer: Always confirm engine size and throttle body compatibility before ordering.

Benefits

• Sharper throttle response for smoother take-off and passing.
• Improved low-to-mid range drivability without major modifications.
• Simple bolt-on performance that complements intake and exhaust upgrades.

Why Buy From Us

• NZ & AU friendly service with fast local support.
• Genuine Airaid parts sourced from trusted supply channels.
• Secure checkout and hassle-free ordering online.