Description
Maintaining proper ring seal is critical to engine performance, compression, and longevity. This Speed Pro piston ring set delivers OEM-quality construction with plasma moly coating for superior wear resistance and reduced blowby. If you’re rebuilding an 8-cylinder engine or restoring a high-mileage block, these rings provide the durability and precision needed for reliable operation.
- Bore diameter: 4.155″
- Ring thickness: 5/64 x 5/64 x 3/16″
- Material: Plasma moly coated
- Tension: Standard
- Application: 8-cylinder engines
- Configuration: Complete ring kit
- Manufacturer: Speed Pro
- Part number: R1037430






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