aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L Suspension>Sway Bar Endlinks alignment tool and pilot bearing

alignment tool and pilot bearing (if needed)

They provide outstanding levels of filtration efficiency and capacity

fuel pressure graphs on the specs tab for more information

Handles up to 250 GPH with AN-08 return line

aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L Suspension>Sway Bar Endlinks alignment tool and pilot bearingSilver 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 found in other helix only throttle spacers.