Exterior Components› Body Panels and Components

SEALED POWER

CAST PISTON

$72.03

SKU: S03T 1003NP 40

Special Order
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 Sealed Power 1003NP 40 is a set of cast aluminum pistons designed for a 3.228-inch bore. These pistons feature a dome style with no valve reliefs and are manufactured to exceed OEM specifications for improved reliability and performance. The set includes pistons with a press-fit wrist pin style and measures 3.750 inches in stroke and 7.000 inches in rod length.

Fitment

Fitment Guaranteed

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on fit.

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

BrandSEALED POWER
Part NumberS03T 1003NP 40

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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