10/09/2026
The details you can’t see can make all the difference. 🔍
Our Diamond Finish™ rings pair a surface finish of less than 4 microinches with ring thickness tolerances of ±.000050"—precision designed to improve sealing between the ring and piston groove and help your engine make the most of every combustion cycle.
Available in Gapless® or conventional configurations, with optional face coatings to suit your application.