Spacer includes 2 thermal gaskets, and stainless steel allen head bolts.

Increase horsepower and torque with this 3/4 inch throttle body spacer. Tests on a 06 Civic Si produced a 4.5 horsepower gain at the wheels! Our spacer comes equipped with a 1/8th inch NPT threaded port at the bottom that can be used as an extra vacuum port or nitrous. Anodized for a brilliant show-quality look.

Fits 2006-2011 Honda Civic Si