The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1993-1996 |
Honda |
Prelude |
S |
| 1993-1996 |
Honda |
Prelude |
VTEC |
| 2004-2006 |
Subaru |
Baja |
Turbo |
| 2008 |
Subaru |
Forester |
Sports 2.5 XT |
| 2009-2013 |
Subaru |
Forester |
X Limited |
| 2009-2013 |
Subaru |
Forester |
X Premium |
| 2004-2005 |
Subaru |
Forester |
XT |
| 2007,2009-2010 |
Subaru |
Forester |
XT Limited |
| 2003-2012 |
Subaru |
Impreza |
WRX |
| 2006-2007,2010-2014 |
Subaru |
Impreza |
WRX Limited |
| 2009-2014 |
Subaru |
Impreza |
WRX Premium |
| 2004-2014 |
Subaru |
Impreza |
WRX STI |
| 2007,2011-2014 |
Subaru |
Impreza |
WRX STI Limited |
| 2010 |
Subaru |
Impreza |
WRX STI Special Edition |
| 2006-2007 |
Subaru |
Impreza |
WRX TR |
| 2003-2006 |
Subaru |
Legacy |
GT |
| 2005,2007-2009 |
Subaru |
Legacy |
GT Limited |
| 2006-2009 |
Subaru |
Legacy |
GT spec.B |
| 2005-2009 |
Subaru |
Outback |
XT Limited |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Leveraging our massive supply chain, we secure hard-to-find components that other shops can't access. Whether it's a standard upgrade or a custom exotic application, we have the network to get it to your door.
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Contact Page.
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Our experts will review your specifications and provide written confirmation for your build.
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in stock orders process within 48 hours. For your security, high value performance parts require a signature upon delivery to ensure they reach you safely.
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Please inspect your order immediately. Damage must be reported within 48 hours. For freight/LTL items, if you cannot inspect the contents immediately, please write "Subject to Inspection" on the delivery receipt before signing.
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Unused items in brand new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand new, untampered components, parts that have been installed, modified, or used are non returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful, but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Year, Make, and Model via our
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