Engines and Components› Pistons and Piston Rings

JE Pistons

FORD 4.6L FLAT TOP 1.220 X 91MM

$1,029.44

SKU: J001 K430M91

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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

Wiseco Ford 4.6L/5.4L Modular Piston Set, 3.582 in. Bore, 1.220 in. Compression Height, 0.866 in. Pin Diameter, Professional, Set of 8. Designed for serious racers and builders, featuring custom-level performance and durability. Built for heavy to severe duty race builds, they are engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength. Features include ArmorGlide Skirt Coating (seizure resistant, friction reduction, quieter operation), fully machined crown, precision ring grooves, anti-detonation groove, additional ring seal improving features, and forced pin oiling.

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 K430M91

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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