Description
When you’re blueprinting an engine or performing critical machine work on your small block, precision mandrels are non-negotiable. The Peterson Fluid Mandrel ensures your crankshaft journal work stays dead-true and maintains OEM tolerances, preventing catastrophic bearing failure down the line. Whether you’re a professional machine shop or a serious weekend builder, this mandrel is the reference standard for SBC engine work.
- 5.000″ length
- Steel construction
- Black oxide finish
- Small Block Chevy compatible
- Crankshaft mandrel
- Sold individually






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