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Engines and Components› Pistons and Piston Rings

Athena

Athena 2020 Kawasaki KX 250 4T 77.97mm 4T Forged Piston

$189.95 $152.19 Save $37.76

SKU: A0EF S5F07800003B

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In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Athena Ø 77.97 mm OE S5F07800003B is a forged piston designed for superior strength and durability. It serves as a direct OEM replacement for the S5F07800003B part number, ensuring a seamless fit within your engine's top end. This piston is meticulously crafted using advanced forging techniques to withstand higher compression ratios and extreme temperatures.

This Athena piston offers enhanced performance, improved power output, and throttle response. Its precise machining and tight tolerances minimize friction, contributing to better fuel efficiency and reduced oil consumption. The forged aluminum construction provides exceptional resistance to wear and tear for a longer lifespan.

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 S5F07800003B

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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