Exterior Components Body Panels and Components

SEALED POWER

CAST PISTON

$71.70

SKU: S03T H728P 20

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

Beginner — under 30 min

Description

The Sealed Power H728P 20 is a set of hypereutectic aluminum pistons designed for 4.3L/262 cubic inch V6 engines. These pistons feature a dish design with a trough, a bore size of 4.020 inches, and a compression height of 1.550 inches. They utilize a press-fit wrist pin style and are compatible with specific Chevrolet and GMC truck engines from 1990 to 1995.

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

BrandSEALED POWER
Part NumberS03T H728P 20

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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