Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Mitsu 4G64 w/4G63 Heads 10.5:1 E85 Piston Shelf Stock

$264.99

SKU: W00C 6656M855

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

Easy — 1–2 hours

Description

The Wiseco 6656M855 is a performance piston designed for Mitsubishi 4G63 engines. It features a -4.5cc volume and is compatible with E85 fuel. The piston is constructed from 2618 Aerospace Alloy for a superior strength-to-weight ratio and utilizes a strutted forging for improved durability. This piston is sold individually and includes the necessary wrist pin and ring set.

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

BrandWiseco
Part NumberW00C 6656M855

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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