MAHLE 3010990 Moly Ring Set 4.170" Bore 1.5mm 1.5mm 3.0mm

The MAHLE 3010990 is a high-performance piston ring set engineered for 4.170-inch bore applications. This premium ring set features advanced materials and coatings designed to deliver superior sealing, reduced friction, and extended engine life in demanding performance environments.

Key Features:

• Plasma-Moly Top Ring: Features a plasma-molybdenum coating on the steel top compression ring for exceptional wear resistance and heat dissipation
• 4.170-inch Bore Size: Precision-manufactured for exact fitment in 4.170" cylinder bores
• 1.5mm Top Ring Width: Low-tension design reduces friction while maintaining excellent ring seal
• .151" Radial Wall Thickness: Optimized radial wall dimension ensures proper ring support and stability
• Performance Construction: Engineered with premium materials for high-performance and racing applications
• Complete Ring Set: Includes top compression ring, second compression ring, and oil control ring assembly

MAHLE piston rings are manufactured to OE specifications and are trusted by professional engine builders worldwide. The plasma-moly coating on the top ring provides a hard, low-friction surface that resists scuffing during break-in and maintains its sealing properties under extreme combustion pressures and temperatures. Ideal for performance rebuilds, racing engines, and high-output applications.