Description
Total Seal’s Classic Race piston ring set delivers the precision fit and reliable sealing performance that serious racers demand in high-RPM applications. File-fit rings allow you to dial in exact clearances for your specific engine build, ensuring optimal compression and minimal blowby. Built from ductile iron and engineered for sustained performance, this 4.040″ set is the foundation of a properly sealed, efficient engine.
- 4.040″ bore diameter
- 1/16 x 1/16 x 3/16″ thickness
- File-fit construction
- Standard tension
- Ductile iron material
- 8-cylinder kit
- Classic race profile
- MPN: CR3690 45






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