aFe Power Silver Bullet Throttle Body Spacer - Honda Civic Si 12-15 L4-2.4L MT110BK high temperature racing conditions with

high temperature racing conditions with a typical dry boiling point of 617°F and a wet boiling point of 383°F

offset degree bushing kit

300 lb/in Rate

Standard Motor Products SMP Fd-488

Perfect for drivers with multiple cars

aFe Power Silver Bullet Throttle Body Spacer - Honda Civic Si 12-15 L4-2.4L MT110BK high temperature racing conditions withSilver 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.