Engines and Components› Engine Bearings

Clevite

RECTIFIER

$279.95

SKU: C003 MGX 978

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 Clevite MGX 978 main bearings are designed for competition engines, developed primarily for NASCAR racing. These engine bearings are suitable for applications that operate at medium to high RPMs, offering durability and performance in demanding conditions.

They feature an aluminum construction and are part of the Clevite A series.

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

BrandClevite
Part NumberC003 MGX 978

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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