Chevy Small Block Casting Number Lookup

Search engine casting numbers to identify parts and specifications


Enter the casting number and click search.

How to Use

  1. Enter a casting number in the search box above
  2. Click Search or press Enter
  3. View results with detailed part information

About Casting Numbers

Casting numbers are identification codes cast into engine blocks, cylinder heads, and other components during manufacturing. They help identify:

  • Part specifications and capabilities
  • Year range of production
  • Applications and compatibility
  • Performance characteristics