Clevite 41904CP.030 Plasma-Moly Piston Ring Set Oversize - 0.030

The Clevite 41904CP.030 is a premium piston ring set engineered for Chrysler, Dodge, and Jeep 5.7L HEMI V8 engines requiring a 0.030 inch oversize bore. Manufactured by MAHLE, a world-leading OE supplier, this ring set delivers OE-quality performance with advanced materials and proven ring technology.

Premium Construction and Materials:

• Upper compression ring features carbon steel with plasma-moly facing for superior wear resistance and sealing
• Lower compression ring uses cast iron construction for reliable combustion gas management
• Oil control ring utilizes stainless steel with chrome facing and exclusive CP-20 design with 20-degree ear angle
• Ring heights: 1.5mm upper compression, 1.5mm lower compression, 3.0mm oil control ring
• Designed for 0.030 inch oversize bore applications

Advanced Ring Technology:

• RF-13PF upper ring design provides optimal sealing and reduced friction
• THG-10 lower ring configuration ensures superior oil control and combustion gas management
• CP-20 shallow groove oil ring delivers best-in-class side seal and simplified installation
• SAE 9254 high alloy steel base material offers extended fatigue resistance and increased hardness

This complete 8-cylinder piston ring set is designed as a direct OE replacement for engine rebuilds and restorations. MAHLE's precision manufacturing ensures proper form, fit, and function while reducing friction, minimizing oil consumption, and extending service life.