Motordyne 1/2" Copper Iso Thermal plenum spacer - 350Z 03-06

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  • Regular price $ 362.00

  • Part Number: 12C

1/2" Copper Iso Thermal Spacer by Motordyne - 350Z

1/2" 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. The 1/2" plenum spacer is fully compatible with the engine cover. With the engine cover in place the engine bay looks completely stock.


  • Comes with the Iso Thermal Components needed in Snow belt states
  • 12-14 HP Gain
  • Simple Install
  • Stock Factory Look
  • Distinct Sound


  • This spacer will fit under the factory engine cover, however, may not fit under a Strut Bar

Vehicle Application 

  • 2003-2006 Nissan 350Z

Shipping prices only apply inside the U.S. mainland. APO, FPO, HI, AK PR, Guam and international shipping will be extra. For accurate shipping quotes, please email us at:".

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