aFe Power Silver Bullet Throttle Body Spacer - Honda Civic Si 12-15 L4-2.4L AA0710AG1S57 4 AN Female to 3

4 AN Female to 3 AN Male

5/8 in Pilot

Head mount locates the pump to the driver’s side cylinder head and the block mount locates the pump to the lower driver’s side of the block

Carburetor Gaskets

and a padded laptop compartment (fits most 15" laptops)

aFe Power Silver Bullet Throttle Body Spacer - Honda Civic Si 12-15 L4-2.4L AA0710AG1S57 4 AN Female to 3Silver 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.