Engines and Components Pistons and Piston Rings

JE Pistons

JE Pro Seal Subaru EJ25/EJ257 100mm 0.039in Headgasket

$101.73

SKU: J001 SB1001-039

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

The JE Pistons SB1001-039 is a Multi-Layer Steel (MLS) head gasket designed for Subaru EJ25 and EJ257 engines. It features a 100.000mm (3.937 in.) bore and a compressed thickness of 0.039 in. (1.0mm).

Constructed from premium raw materials like AISI 304 Stainless Steel, these gaskets utilize advanced in-line laser cutting and multi-stage embossing for optimal performance. Each layer is individually cut and formed, and proprietary coating technologies provide superior sealing and protection compared to other brands.

Fitment

Fitment Guaranteed

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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

BrandJE Pistons
Part NumberJ001 SB1001-039

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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