Engines and Components Pistons and Piston Rings

SEALED POWER

RING COMPRESSION

$21.44

SKU: S03T BT10370 .25MM

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

Easy — 1–2 hours

Description

The Sealed Power E-937K .25MM is a set of performance piston rings designed for engines with a 3.789-inch bore. These rings feature a 1.5mm top ring made of steel with a moly facing, a 1.5mm second ring made of iron with a phosphate coating, and a 3.0mm stainless steel oil ring with standard tension. This set is sold as an 8-cylinder kit and is an OE-quality replacement designed to seal mild to high-compression engines and protect against oil blow-by.

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 BT10370 .25MM

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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