Engines and Components› Pistons and Piston Rings

SEALED POWER

IN-FRAME OVERHAUL KIT

$739.22

SKU: S03T FPIFK371NA

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 File-Fit Plasma-Moly Piston Rings are designed for racing and high performance street use, providing long service life. Featuring plasma-moly coated, barrel-shaped, ductile iron top rings, tapered secondary rings, and 3-piece oil rings with stainless steel expanders. The set fits small block engines with a 4.070 in. bore and includes 1/16 in. top, 1/16 in. second, and 3/16 in. oil ring thicknesses for 8-cylinder applications.

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 FPIFK371NA

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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