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GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
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User Media for: GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
User Media for: GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)
User Media for: GrimmSpeed Phenolic Thermal Spacer 3mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)

GrimmSpeed Phenolic Thermal Spacer 3mm

Subaru Models (inc. 2004+ STI / 2002-2014 WRX)

Read 14 Reviews | 8 Q&As
Part # 018001
$50.00

In stock!
Ships within 24 hours

Features & Product Details

RallySport Direct proudly carries quality aftermarket performance enhancements and solutions brought to you by GrimmSpeed. 

 

These are the GrimmSpeed Phenolic Thermal Spacers. These thermal spacers have been designed to absorb the heat that generates between the intake manifold and the engine block. When running the factory gaskets only, the intake manifold can get very hot to the touch, and that unnecessary internal heat gets cycled back through the engine leaving much room for improvement. GrimmSpeed has come up with a great solution by creating a set of phenolic spacers that are available in a variety of thicknesses to absorb that heat to drastically reduce the transfer of heat from the engine block to the intake manifold. The result is a 1% increase in horsepower for every 5 degrees of heat reduction.

 

 

 

DETAILS:

  • 3mm in thickness
  • Designed to absorb the heat from the engine and the intake manifold
  • Reduces heat soak
  • Super durable phenolic material construction 
  • Creates cooler and denser air which increases the amount of air that mixes with the fuel which improves the overall efficiency
  • Every 5 degrees in temperature drop will increase the horsepower by 1%
  • Direct bolt-on installation
  • Can withstand operating temperatures past 500°F
  • Capable of conducting 300-900 times less heat when compared to the steel intake manifold gaskets
  • Sold as a pair
  •  

     

     

    NOTE:

  • It is recommended to use (2) sets of intake manifold gaskets on each side of the spacers (sold separately)
  •  

     

     

    Product Video

    Specifications

    Brand: GrimmSpeed
    Installation Hardware Included: No
    Material: Composite
    Thickness: 3.0mm
    Mfgr. Warranty: Lifetime
    Condition: New Product
    Return Policy:
    Standard

    PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED

    REVIEWS & CUSTOMER MEDIA

    14 Reviews
    4.1 out of 5 Stars
    5 Stars
    (9)
    4 Stars
    (1)
    3 Stars
    (2)
    2 Stars
    (1)
    1 Stars
    (1)
    Customer Photos and Videos
    GrimmSpeed Phenolic Thermal Spacer 3mm ( Part Number: 018001)
    GrimmSpeed Phenolic Thermal Spacer 3mm ( Part Number: 018001)
    GrimmSpeed Phenolic Thermal Spacer 3mm ( Part Number: 018001)
    1 of 1 people found the following review helpful
    Keep my TGV Deletes and Intake Manifold cooler. 2 years ago
    5out of 5stars

    I wanted to push a good amount of boost which increases intake air temps. The engine heating the up my intake manifold wasn't going to keep those temps down. But these GrimmSpeed Thermal Spacers dramatically reduce the heat transfer from the heads to my TGV deletes and every little bit helps.
      
    Was this review helpful?
    0 of 1 people found the following review helpful
    Just get IAG.  3 years ago
    3out of 5stars

    You can get the same exact thing from IAG for $45 AND it includes gaskets. Pretty annoying that you spend almost $70 and don't even get install hardware.
      
    Was this review helpful?
    0 of 1 people found the following review helpful
    2013 Sti 3 years ago
    2out of 5stars

    I couldn't identified any difference in the temp. I think it's because all the heat that comes out of the radiator hit the intake manifold heating it up making this gasket not much useful.
      
    Was this review helpful?
    Does what it says 4 years ago
    5out of 5stars

    Lowered intake temps a few degrees and was almost no effort to install because I already had the TGVs off. Even fit over the alignment pins for the gaskets so they didn't slide all over. Would've gone with the 8mm but I heard some things about clearance issues with TMIC.
      
    Was this review helpful?
    2006 STI built longblock 4 years ago
    5out of 5stars

    I threw these on while I was having my heads redone. After many, many WOT pulls, my intake manifold don't seem to be collecting much heat.
      
    Was this review helpful?

    QUESTIONS & ANSWERS

    • Q: Gaskets  BananaSammiches3 years ago

      Are TGV to cylinder head gaskets required for use these spacers or will the spacers themselves be enough to creat a proper seal?
      • 2 of 2 people found the following answer helpful

        A:  GrimmSpeed has installed both with and without OEM Subaru Gaskets and have had no issues with either way. They do recommend using 2 sets of oem gaskets however, one on both sides of the spacer.

        Tyler G.
          
        Was this answer helpful?
    • Q: fp black turbo inlet  Mcmcll2703395326 years ago

      will the 3mm's be enough for an fp turbo inlet? or would 8mm be better? diameter is 84 mm.
      • 0 of 0 people found the following answer helpful

        A:  The FP inlet is silicone and can be compressed to fit under the manifold, therefore 3mm spacers should be sufficient.

        Zach G. @ RallySport Direct 6 years ago  
          
        Was this answer helpful?
    • Q: Torque spec?  Cory51191276656 years ago

      Does the torque spec change since there is less thread contact?
    • Q: Turbo Inlet  dmonti117399516 years ago

      Will this fit paired with the AMR turbo inlet? I have heard both yes and no.
      • 1 of 1 people found the following answer helpful

        A:  This raises your intake manifold 3mm which allows for more room for the AMR turbo inlet.

        Tommy M. @ RallySport Direct 6 years ago  
          
        Was this answer helpful?

    This Part Fits

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