NOS Gould MS-155 B-SEMI Main Bearing Set

Description:

The below information was provided via an "AI" search - cross reference part numbers and look at pictures for verification - I have no idea except what an internet search provided - if you are not 100% certain this is the item you need - do not buy - sold as is where is - no returns.

🔧 Item Overview

• Brand: Gould Engine Bearings

• Part Number: MS-155 B-SEMI

• Contents:

  • 2 × MB-1062

  • 1 × MB-1063

• Type: Semi-finished main bearing set

• Material: Precision steel-backed shells (likely babbitt overlay)

• Era: Estimated 1950s–1970s

• Condition: NOS (New Old Stock) in original packaging

🚗 Likely Vehicle Applications

While exact fitment requires catalog verification, this bearing set is likely compatible with:

• GM small-block V8s (e.g., 283, 327, 350)

• GM inline-6 or V6 engines

• Industrial or marine engines from the same era

The “SEMI” designation means these bearings are unfinished and require final machining, making them ideal for professional rebuilders or machine shops performing line boring or custom fitting.