Motordyne 1/2" Copper Iso-Thermal Plenum Spacer - Infiniti G35 & Nissan 350Z

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$ 399.11
$ 380.00
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G35, FX35 & M35 1/2″ Copper Iso Thermal plenum spacer (with all Iso Thermal components, Aramid Gasket and the Polarized Copper TB heater) This premium stealth modification adds 12HP-14HP and reduces the effect of power robbing heat soak. This plenum spacer can be used for maximum performance enhancement. It also adds a substantially deeper growl under the hood. Use the copper if it ever snows in your area.



  • Compatible with OEM Strut Bar and Engine Cover
  • Direct Bolt-On
  • Does not throw CEL
  • Keeps Upper and Lower Plenum Cooled
  • Eliminates Risk of Throttle Body Freezing in Snow Climates
  • Copper Iso-Thermal System


Special Notes

  • 2003 Nissan 350Z vehicles will lose OEM strut bar with the 1/2" Basic Plenum Spacer kit


Vehicle Fitment

  • 2003-2007 Infiniti G35 Coupe RWD/AWD (V35)
  • 2003-2006 Infiniti G35 Sedan RWD/AWD (V35)
  • 2003-2006 Nissan 350Z (Z33)


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