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Engines and Components› Pistons and Piston Rings

SEALED POWER

Moly Piston Ring Set

$389.99 $261.65 Save $128.34

SKU: S03T E-261K 30

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

Moderate — 2–4 hours

Description

The SEALED POWER E261K30 is a Moly Piston Ring Set designed for 8-cylinder engines with a 4.160-inch bore. These performance-grade rings feature a 5/64 x 5/64 x 3/16 inch thickness configuration and are made from steel with a plasma moly coating on the top ring, iron with a phosphate coating on the second ring, and stainless steel for the oil ring. It is a drop-in kit with standard tension.

Fitment

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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 E-261K 30

Videos

How Total Seal Piston Rings Improve Engine Performance

How Total Seal Piston Rings Improve Engine Performance
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How Much DIFFERENCE Can Piston Rings Make?
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How To Properly Gap A Piston Ring - Setting End Gap With A Total Seal Power Ring Filer
What Type Of Rings You Should Use In Your Engine?

What Type Of Rings You Should Use In Your Engine?
Summit Racing Pro GPX Gas Ported Piston Rings: A Better Seal for More Engine Performance & Longevity

Summit Racing Pro GPX Gas Ported Piston Rings: A Better Seal for More Engine Performance & Longevity
Piston Rings 101: Total Seal Gapless Rings - with Lake Speed Jr.

Piston Rings 101: Total Seal Gapless Rings - with Lake Speed Jr.
Oil Ring FAQs

Oil Ring FAQs
Piston Rings 101 - Part 2 - Piston Ring Materials & Designs

Piston Rings 101 - Part 2 - Piston Ring Materials & Designs
Piston Ring Assembly Lube

Piston Ring Assembly Lube

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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