Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

CHRYSLER 493 ROD 6.768 STEP DISH +23.7CC 2V ICON PREMIUM FORGED PISTON SET

$110.69

SKU: U00B IC840.055

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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 United Engine & Machine Co Icon IC840.055 is a premium forged piston designed for high-performance applications. It features a 4.375-inch bore size and a 23.7cc dish volume.

Constructed from a 2618 forged aluminum alloy, these pistons are heat-treated for demanding conditions and high compression ratios. They include a diamond-machined skirt, head, mini-grooves, and pin bore for enhanced durability and performance. The piston ring size is 1/16 1, and the compression height is 1.869 inches.

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

BrandUnited Engine & Machine Co
Part NumberU00B IC840.055

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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