Engines and Components› Pistons and Piston Rings

SEALED POWER

CAST PISTON SET W/PREM. R

$340.42

SKU: S03T 8KH423DCP 30

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

Moderate — 2–4 hours

Description

Sealed Power 8KH423DCP 30 Piston Ring Set features Hypereutectic construction and is made with exclusive FM425 material for excellent strength & scuff resistance. It allows for tighter bore and improves sealing for less blow-by. The piston skirts are protected by next-gen DUROSHIELD coating and have TAC ring groove geometry. These piston rings are weight matched to +/- 2 grams.

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 8KH423DCP 30

Videos

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How to Install Piston Rings | Engine Building 101
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How to Install Unmarked Piston Rings
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All Piston Ring settings ✅
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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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