Engines and Components› Pistons and Piston Rings

Federal Mogul

RING SET P/MOLY FILE FIT

$116.03

SKU: F00G R921035

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Federal Mogul R921035 is a set of plasma-moly piston rings designed for enhanced performance and reliability. These rings feature molybdenum-coated uppers and stainless steel oil-control rings. This set is designed for an 8-cylinder engine with a 4.09375-inch bore and features ring thicknesses of 1/16 in., 5/64 in., and 3/16 in.

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

BrandFederal Mogul
Part NumberF00G R921035

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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