Description
Piston ring selection directly impacts combustion efficiency, blow-by control, and engine longevity—especially in high-performance or rebuilt applications where precision matters. The 4045MS-112 delivers plasma-moly durability and file-fit accuracy for engines demanding reliable ring sealing without compromises. Whether you’re freshening a naturally aspirated engine or building a competition platform, this ring set ensures consistent compression and reduced oil consumption across the RPM range.
- 4.040 inch bore
- File fit required
- 1.0mm top ring
- 1.0mm second ring
- 2.0mm oil ring
- Plasma-moly coating
- Standard tension
- 8-cylinder kit
