Key Features & Functions
5/16″ Plenum Spacing Design
Adds height between upper and lower intake:
- Increases plenum volume
- Improves airflow distribution
- Enhances cylinder balance
Because cylinders 5 and 6 deserve equal treatment.
Thermal Shield Barrier
Constructed to reduce heat transfer:
- Blocks engine heat from reaching intake air
- Lowers intake air temperatures (IATs)
- Improves combustion efficiency
Cooler air = denser air = more power. Not magic—just physics.
OEM:BXIM-40201
Improved Throttle Response & Mid-Range Power
Performance benefits include:
- Smoother power delivery
- Increased mid-range torque
- More responsive throttle input
Not a dyno queen mod—but very noticeable on the street.
Fitment:
Compatible with 2002-2008 For Nissan 350Z coupe (non RevUp engine)
Compatible with 2003-2009 For Nissan 350Z roadster (non RevUp engine)
Compatible with 2003-2006 Infinit G35 sedan (non RevUp engine)
Compatible with 2003-2007 Infinit G35 coupe (non RevUp)
Direct Fitment for VQ35DE
Designed specifically for:
- Nissan 350Z (VQ35DE)
- Infiniti G35 (VQ35DE)
Ensures:
- Proper alignment
- Easy bolt-on installation
- OEM-like integration
No weird fitment issues, no guesswork.
OEM:BXIM-40201 – How do I install this Blox Racing 5/16 Plenum Spacer for VQ35DE? Check out our How-To Guide here on My Pro Street.
Durable Composite Construction
Built for engine bay conditions:
- Heat-resistant material
- Long-term durability
- Maintains structural integrity under load
Because it lives in one of the hottest places in your car.
Why You Need This on Your Project Car
If you’re running a VQ35DE, this is one of the smartest bolt-ons you can do.
The Blox Racing 5/16″ Plenum Spacer gives you:
- Lower intake temperatures for better efficiency
- Improved airflow balance across all cylinders
- Noticeable gains in throttle response and drivability
- Simple, affordable bolt-on performance upgrade
Because Nissan left performance on the table—and this picks it up.
Searching related installation video on the net will be advisable and at all times wear eye protection and start with installation tools
Fitment:Compatible with 2002-2008 For Nissan 350Z coupe (non RevUp engine)
Easy to install with related installation video, durable, engineered from high-quality materials to reinforce reliability and durability
Ideal Applications
- Nissan 350Z builds
- Infiniti G35 builds
- Naturally aspirated setups
- Bolt-on performance upgrades
- Daily drivers and street builds
Final Verdict
The Blox Racing BXIM-40201-G2 Plenum Spacer is one of the most effective and affordable upgrades for the VQ35DE platform.
It fixes airflow imbalance, reduces heat soak, and improves overall performance—without complicating your build.
Because better airflow is free horsepower… once you install it.
Our products are stored in warehouses, and there will be collisions all over handling or transportation (most products want to be kept lubricated, it is normal to have lubricants). But please rest assured that it is going to not impact the use. You probably have certain requirements for appearance, please contact us and we will exchange your goods. Thank you for your understanding!
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