aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L SPECIAL-ORDER Due to the dirt-resistant trapezoidal

Due to the dirt-resistant trapezoidal thread and the polyamide threaded ring

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aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L SPECIAL-ORDER Due to the dirt-resistant trapezoidalManufacturer Part # : 46 33010 Market Description Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T 6061 billet aluminum and using a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle