Description
Piston rings are the unsung workhorses of engine performance—they seal combustion pressure, control oil consumption, and directly impact horsepower and reliability. This moly-coated ring set is engineered for high-RPM environments where standard rings fall short, delivering superior scuff resistance and consistent compression across the entire rev range. Whether you’re rebuilding a race engine or upgrading a performance build, quality rings are non-negotiable if you want your engine to breathe, perform, and last.
- Bore: 4.040″
- Ring dimensions: 5/64 x 5/64 x 3/16″
- Plasma moly coating
- Standard tension
- 8-cylinder kit
- MPN: 315-0034.040






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