MotorDyne 5/16" Basic Plenum Spacer - 03-06 Nissan 350z

At the optimum height and yielding the best overall gains, the Motordyne 5/16" plenum spacer for the 2003-2006 Nissan 350z outperforms the competition and conveniently keep your engine cover and strut bar in place.

This stealth modification adds 11HP-13HP and is the simplest to install.

All Motordyne melt proof plenum spacers come with pre-attached, high quality gaskets.