What and Why
The CravenSpeed ND Miata Throttle Body Spacer is a 3/4" CNC'd aluminum spacer with a 1/8" NPT threaded hole in one side that installs between the throttle body and the intake manifold of your Miata. There are no cyclone effects or fancy air tricks going on here. The spacer's sole purpose is to provide an easy-to-access threaded port in a prime location for injecting a variety of performance enhancing substances. (At this time USADA does not test vehicles) You could also use the port to install a steampunk hipster pressure gauge that sticks through the hood, we won't judge.