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Engines and Components› Pistons and Piston Rings

SEALED POWER

Moly Piston Ring Set

$273.99 $188.10 Save $85.89

SKU: S03T E-921K 30

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Premium; Ring Groove Widths: 1.5mm, 1.5mm, 3.0mm; Set; Moly Steel Top Ring; Ductile Second Ring. Sealed Power® parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today's modern engines. Face of top rings coated with latest generation plasma-moly, decreases friction, resistant to scuffing, exacting tolerances, meets or exceeds OEM specifications.

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 E-921K 30

Videos

How to Install Piston Rings | Engine Building 101

How to Install Piston Rings | Engine Building 101
How to Clock Piston Rings: Gap Orientation and Install Tips

How to Clock Piston Rings: Gap Orientation and Install Tips

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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