Motordyne Engineering 5/16″ ISO Thermal Spacer VQ35DE


Please note: While longer bolts are included for the strut tower brace to clear the raised plenum, early 2003 models will require thinner bolts. These are not normally included with the kits from Motordyne.


Product Description

This is the 5/16 Stealth Plenum Spacer Upgrade for the 03-06 350Z, 03-06 G35 Sedan, and 03-07 G35 Coupe VQ35DE Engines. Gains from 12-14HP, simple and easy install. Works with OEM Strut Bar and Engine Cover. Iso Thermal Spacer Reduces Heak Soak and helps prevent power loss. Iso Thermal Gasket also allows upper and lower plenum to run cooler.

Additional information

Weight 4 lbs
Dimensions 18 × 18 × 4 in


Motordyne Engineering

Motordyne Engineering Performance Products 100% made in the USA