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Gaskets and Seals› Engine Gaskets and Seals

GrimmSpeed

Multi-Layer Steel Fire-Ring Head Gasket

$27.00 $22.00 Save $5.00

SKU: 027001

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

It is 2.5mm thick, more than double the OEM thickness of 1.2mm, and features a multi-layer steel construction with a stainless steel fire-ring.
Show original supplier description
This gasket is intentionally designed to be 2.5mm thick, significantly more than the standard 1.2mm OEM gasket, addressing common issues with both stock and aftermarket exhaust components. Constructed from premium multi-layer steel (MLS) with a 304 stainless steel fire-ring, this gasket offers enhanced durability and sealing performance. Unlike some other exhaust gaskets that may not be fully stainless steel, GrimmSpeed's design ensures resistance to corrosion and a more reliable seal, even under demanding conditions. Its thicker profile is particularly beneficial for exhaust systems that may have minor fitment imperfections, providing a more forgiving and robust seal. Many Subaru owners have reported success using this gasket to resolve persistent exhaust leaks that OEM gaskets failed to fix. Its robust construction and thicker design contribute to a leak-free driving experience, making it a recommended upgrade for any performance-oriented Subaru build.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandGrimmSpeed
Part Number027001
CategoryGaskets and Seals
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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