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CP Pistons

CP Pistons 18-20 Kawasaki Ninja 400 13.0:1CR 72mm STD Bore 51.8mm Stroke (420cc) Piston Kit

$669.50 $636.04 Save $33.46

SKU: C00A MX3043

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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

The CP Pistons MX3043 kit is a high-performance piston upgrade for the 2018-2020 Kawasaki Ninja 400. It features a 72mm standard bore, 51.8mm stroke, and a 13.0:1 compression ratio, increasing displacement to 420cc.

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

BrandCP Pistons
Part NumberC00A MX3043

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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