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Engines and Components› Pistons and Piston Rings

Athena

Athena 21-23 GASGAS EX 250 F 77.97mm 4T Forged Piston

$189.95 $152.19 Save $37.76

SKU: A0EF S5F07800002B

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Ships by Jun 18
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Non-Returnable Item
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Description

The Athena forged piston kit is a high-performance engine component designed for 4-stroke off-road motorcycles. It is made from special high-performance materials produced by reverse extrusion forging. The piston features a molybdenum disulfide sinter coating to improve flow, sliding ability, performance, and durability, while reducing friction and noise. It also includes last-generation stainless steel segments with a PVD coating in CrN and wear-resistant reinforcements.

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

BrandAthena
Part NumberA0EF S5F07800002B

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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