Motordyne 5/16" Basic Plenum Spacer - Infiniti G35 & Nissan 350Z

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$ 291.31
$ 277.00
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At the optimum height and yielding the best overall gains, the Motordyne 5/16″ plenum spacer 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 gasket.



  • Compatible with OEM Strut Bar and Engine Cover
  • Direct Bolt-On
  • Does not throw CEL


Special Notes

  • 2003 Nissan 350Z require longer and thinner bolts to clear the raised plenum which are included in our kits. 


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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