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Engines and Components› Engine Bearings

SEALED POWER

MAIN BEARING SET

$270.99 $185.93 Save $85.06

SKU: S03T 139M 10

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

Moderate — 2–4 hours

Description

Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components. The SEALED POWER 139M10 Main Bearing Set is designed for the Small Block Chevrolet 350 (5.7L V8) engine. This engine was widely used across a broad range of Chevrolet and GMC car and truck models from 1964 to 2002. It features A-Series bi-metal aluminum alloy, greater seizure resistance than tri-metal material, IROX coating, and silicon particles that help polish crankshaft journals.

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 139M 10

Videos

V-8 Engine Rebuild SBC #4 Part 2 Rod Bearing Install

V-8 Engine Rebuild SBC #4 Part 2 Rod Bearing Install

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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