Engines and Components› Pistons and Piston Rings

JE Pistons

JE Pistons MILWAUKEE 8- 4.020 /1.080 Piston Kit

$449.99

SKU: J001 370248

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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

JE Pistons Big Bore Piston Sets are engineered for Harley-Davidson Milwaukee-Eight 114/117" engines from 2017-up M8 models. Forged from 2618-T6 aluminum, these pistons feature a high 11.0:1 compression ratio and skirt coating for improved performance and durability. The kit includes rings, pins, and locks.

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.

Available on iOS & Android

Specifications

BrandJE Pistons
Part NumberJ001 370248

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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