Engines and Components› Pistons and Piston Rings

SEALED POWER

RE-RING KIT PRM. RINGS

$219.42

SKU: S03T 205-861

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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 H661CP is a piston and ring kit designed for 1970-1983 Chevy 7.4L 454 Big Block engines. This kit features hypereutectic, flat-top pistons with coated skirts and includes Moly Hastings or Mahle piston rings. The bore size is 4.280 inches, which is +.030 over stock.

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 205-861

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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