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Product Description
- 2008-2014 STi
- 2015-2021 STi
- Brand: GrimmSpeed
- Manufacturer's Part Number: 124005
- Alternate Part Numbers: GRM124005
- Manufacturer's Warranty: Lifetime Warranty! Please see GrimmSpeed's Website For Details.
- UPC: 850016028129
- Condition: New Product
FITMENTS:
Subaru
| Manufacturer's Description: Description: GrimmSpeed has set the standard for quality when it comes to aftermarket replacement gaskets so it's only natural that we should offer our fans the MOST important gaskets their car will ever need: Introducing The GrimmSpeed EJ25 Head Gasket Sets! Feature-packed, these gaskets are a perfect fit for any engine build, from basic refresh to a high horsepower track monster. The GrimmSpeed Head Gaskets feature a multi-layer steel (MLS) construction, in which multiple grades are used to provide optimal surface and combustion chamber sealing as they are torqued down. The top and bottom layers feature a Nitrile Rubberized Coating that helps accommodate a rougher RA surface finish of up to 50microinch. This acts to better seal the non-critical areas of the gasket. In addition, the gasket edge includes a folded stopper layer that allows for optimal sealing for the combustion chamber. This is done to help reduce the chances of combustion gasses causing head gasket failures under extremely high cylinder pressures that built engines can experience. After talking to numerous engine builders/tuners it was clear that creating a variety of gasket thicknesses was key for pairing them with the right build. With that in mind, we've made the gaskets available in multiple thicknesses (.78, 1.1, 1.5mm) to help fine tune each individual build. In addition, the slightly oversized bore diameters will allow for up to 0.5mm overbore. The EJ specific gaskets include enlarged center head bolt holes to accommodate up to a 13mm head studs. This is a popular upgrade option for many higher power builds, where additional cylinder head clamping force is needed. We've outdone ourselves this time, The GrimmSpeed Head Gaskets carry on the legacy of quality that you've come to know from our other extremely popular gaskets. Included: • GrimmSpeed Head Gasket Set Features: • Sold as a Set/Pair - Dual AVCS EJ25 fitment • Die Cut Multi-Layer [Stainless] Steel (MLS) Construction - Provides smooth edge finish and consistency from batch to batch, �0.001" manufacturing tolerance • Folded Stopper Layer to Better Seal the Combustion Chamber • .25micron Nitrile Rubber Layer Coating - Reduces chances of leaking on imperfectly smooth mating surfaces over non-coated gasket. • Accommodates up to 100.0mm bore • Compatible with up to 13mm, 1/2" studs |
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