aFe POWER Silver Bullet Throttle Body Spacer (2004-2010 F-150 5.4L MOD)

Silver Bullet throttle body spacers are constructed out of durbable T-6061 billet aluminum and utilize a serrated/helix design that creates turbulence in air flow at the point just prior entry into the engine. This turbulence helps the air/fuel charge burn completely for increased horsepower, torque and throttle response. This throttle body spacer only works with aFe Stage 2 intakes part number 51-10512, 54-10512, 51-80512 and 54-80512.

This throttle body spacer is 50-state legal (CARB E.O Number D-550-5).