Engines and Components› Engine Bearings

King Engine Bearings

King Engine Bearings Small Block Chevy (Size STD) Silicon Aluminum Bi-Metal Main Bearing Set

$19.70

SKU: K006 MB557SI

In Stock
In Stock
Ships by Aug 9
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: MB 557SI

We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive product offering that incl

Features:

  • Bi-metal Aluminum Material
  • Ideal for medium-load engines
  • Lead Free Enviromentally Safe Composite

MAIN BEARING SET For GENERAL MOTORS 262, 267, 302, 307, 327, 350

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The King Engine Bearings MB557SI is a set of main bearings designed for direct replacement. These bearings are constructed from a bi-metal, silicon aluminum material and feature 1/2 grooves located in the upper position. They are sold as a set of five and are compatible with General Motors engines including 262, 267, 302, 307, 327, and 350 CID.

Fitment

Fitment Guaranteed

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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

BrandKing Engine Bearings
Part NumberK006 MB557SI

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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