aFe Silver Bullet Throttle Body Spacer Kit (46-38004) 1553 measuring 67 inches (1

measuring 67 inches (1

AR1-HDSD kit features ACT's most popular Heavy Duty pressure plate

and M3 models

Using the upgraded air box alone

laser cut bracket

aFe Silver Bullet Throttle Body Spacer Kit (46-38004) 1553 measuring 67 inches (1Silver Bullet Throttle Body Spacer (46 38004) by aFe. What is inexpensive, takes only a few minutes to install, and results in more power and improved throttle response? The aFe Silver Bullet! The Silver Bullet Throttle Body Spacer installs between your throttle body and intake manifold. It creates turbulence and improves volumetric efficiency for more complete combustion. The aFe Silver Bullet Throttle Body Spacer is an easy and economical way to