Motordyne 5/16 Plenum Spacer Basic 350Z G35
A flat spacer yielding the best overall gains, the Motordyne 5/16" plenum spacer outperforms the competition while keeping your strut bar and engine cover in place.
This stealth modification adds 11HP-13HP and is the simplest to install.
All Motordyne melt proof plenum spacers come with quality parts, pre-attached gaskets and self sealing plenum internal supports for OEM reliability.