Engines and Components› Pistons and Piston Rings

JE Pistons

JE Pistons Kawasaki KX250F -2.8CC 3.070 Bore Piston Kit

$301.06

SKU: J001 391920

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 391920

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for dirt bike and other off-road motorcycle engines. Engineered, forged and machined 100 percent in the USA, JE Pistons are designed for each specific engine and riding application to provide the ultimate combination of durability and performance. From the motocross track to the trail and everything in between, JE Pistons' performance is proven with every handful of throttle and wave of the checkered flag. Equip your bike with the best in forged pistons.

MIA's Description

The JE Pistons 391920 Piston Kit is a go-to upgrade for serious Kawasaki KX250 riders who want to squeeze every ounce of performance out of their engine. Built from high-strength 2618-T6 forged aluminum, this piston kit is designed to take on the brutal demands of motocross and competition racing without breaking a sweat.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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 391920

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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