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Engines and Components› Pistons and Piston Rings

Sealed Power

Piston Ring Set, 4.000" Bore

$125.56 $84.97 Save $40.59

SKU: E-921K

In Stock
In Stock
Ships by Jul 29
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30 Days Return
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Description

The Sealed Power E-921K is a set of performance piston rings designed for an 8-cylinder engine. These rings feature a 4.000-inch bore and a drop-in fit. The top ring is made of steel with a Plasma-Moly coating, and the second ring measures 1.5mm thick. The oil ring is a 3-piece design. These piston rings are application-engineered replacement parts that meet industry standards for premium passenger car and light truck rebuilds.

Fitment

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Specifications

BrandSealed Power
Part NumberE-921K
CategoryEngines and Components

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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