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Engines and Components› Pistons and Piston Rings

SEALED POWER

Piston Ring Set 4.030 1/16 1/16 1/8

$491.99 $325.88 Save $166.11

SKU: S03T R-9968 30

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Speed-Pro R996830 is a full set of oversized (0.030 in) engine piston rings designed for an 8-cylinder engine with a 4.0000-inch bore diameter. It features a ductile iron plasma moly top ring and a cast iron second ring, with ring set groove widths of 1/16 x 1/16 x 1/8 inches. This product is intended for performance applications and is not street legal.

Fitment

Fitment Guaranteed

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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 R-9968 30

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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