MAHLE 3030319B Chrome Piston Ring Set Bore Standard Tension - 4.125

The MAHLE 3030319B is a premium chrome piston ring set engineered for 4.125-inch bore applications. This complete ring set features MAHLE's CP20 standard tension design, delivering reliable compression sealing and optimal oil control for high-performance and racing engines.

Key Features:

• 4.125-inch bore diameter for precise fitment
• CP20 standard tension design for consistent ring seal
• 3.0mm low-tension oil rings reduce friction and improve efficiency
• Chrome-faced top rings for superior wear resistance and durability
• Precision-manufactured to MAHLE's exacting tolerances
• Designed for performance and racing applications

MAHLE piston rings are trusted by engine builders worldwide for their quality construction and proven performance. The chrome facing on the compression rings provides excellent scuff resistance during break-in and extended service life under demanding conditions. The low-tension oil ring package minimizes friction losses while maintaining effective oil control, making this ring set ideal for performance street engines and competition builds.