Engines and Components› Cylinder Heads and Components

IAG Performance

Fire-Lock Head Gaskets 100mm Bore 0.051" Thickness

$329.99

SKU: IAG-ENG-1741

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The IAG Performance Fire-Lock Head Gaskets are designed for high horsepower and high boost Subaru EJ25 and EJ257 closed deck engines. They feature a composite material with a 100mm bore and a .051" thickness, utilizing proprietary IAG-Spec Alloy Fire-Lock rings.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandIAG Performance
Part NumberIAG-ENG-1741
CategoryEngines and Components

Buy with Confidence

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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