Engines and Components Pistons and Piston Rings

United Engine & Machine Co

1 SET IC645C.040/1 SET 3917CD8.040

$947.64

SKU: U00B IC645CKTD.040

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

Advanced — 4+ hours

Description

Icon Forged Pistons are crafted from high ductile 2618 alloy with 1% silicon, engineered for demanding performance applications like high compression, boosted engines, and nitrous systems. Features include CNC machined crowns and valve reliefs, top land mini groove technology, in-house CNC machined skirts, and accumulator grooves for optimal ring seal. Skirt and pin boss struts endure heavy loads. Includes wrist pins and spiral lock rings. Rings (1.5mm, 1.5mm, 3mm) are not included. Skirts are coated.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC645CKTD.040

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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