Description
Piston ring sets are the critical seal between your pistons and cylinder walls—and they directly impact compression, blow-by, and horsepower retention. This 4.125″ bore set delivers the precision fit and durability you need for high-RPM performance, whether you’re building a street engine or prepping for competition. Plasma moly coating reduces friction while maintaining ring life, giving you reliable performance across extended heat cycles.
- 4.125 inch bore
- File fit installation
- 1.0mm top ring
- 1.0mm second ring
- 2.0mm oil ring
- Plasma moly coating
- 8-cylinder kit
- Standard compression
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