Engines and Components› Pistons and Piston Rings

SEALED POWER

RE-RING KIT PRM. RINGS

$264.53

SKU: S03T 205-6320

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In Stock
Ships by Jul 29
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Non-Returnable Item
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Description

The Sealed Power piston ring set is designed for Big Block, 440 engines. It features a bore size of 4.320 inches, with a top ring thickness of 5/64 inch, a second ring thickness of 5/64 inch, and an oil ring thickness of 3/16 inch.

This ring set is a premium product with a Moly Steel top ring and a ductile second ring. The face of the top rings are coated with the latest generation Plasma-Moly for reduced friction and increased resistance to scuffing.

Fitment

Fitment Guaranteed

Don’t gamble
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.

Available on iOS & Android

Specifications

BrandSEALED POWER
Part NumberS03T 205-6320

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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