Main Bearing Set MS-909H-21
Part Number: M77MS909H21MICHIGAN 77
- SKU:
- M77MS909H21
- UPC:
- 27067471697
- MPN:
- MS-909H-21
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
Description
A worn or damaged main bearing set directly compromises engine block integrity and can lead to catastrophic failure under racing conditions. The MS-909H-21 delivers the precision tolerances and material quality your Small Block Chevy engine demands, whether you're rebuilding after a season or fortifying a fresh build. This H-Series kit ensures proper crankshaft support and oil flow, critical for consistent horsepower delivery and long-term reliability.
- Small Block Chevy compatible
- H-Series specification
- 0.021 in undersize
- Complete main bearing kit
- OEM replacement quality
- Precision CNC tolerances
- Optimized oil clearance
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