Engines and Components› Pistons and Piston Rings

JE Pistons

MITSU 4G64 W/4G63 HEADS 10.5:1 E85

$986.96

SKU: J001 K656M865

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

Advanced — 4+ hours

Description

Professional Series forged racing pistons from Wiseco are designed for serious racers and builders, offering custom-level performance and durability. These pistons are built for heavy to severe duty race applications, providing an upgrade for increased horsepower and boost. Made from 2618 High Strength Alloy with ArmorGlide™ skirt coating and fully machined crowns, they feature precision ring grooves and a 10.5:1 compression ratio. Wiseco engineers use 3D design and finite element modeling for optimal strength and weight.

Fitment

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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

BrandJE Pistons
Part NumberJ001 K656M865

Videos

4G64 Fitting pistons - Mitsubishi engine rebuilding

4G64 Fitting pistons - Mitsubishi engine rebuilding

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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