MAHLE 3010991B Moly Ring Set Bore Plasma-Moly Top Ring - 4.175 1.5mm

The MAHLE 3010991B is a high-performance piston ring set engineered for demanding applications requiring precise sealing and durability. This ring set features a 4.175-inch bore diameter and is designed with advanced materials and coatings to deliver optimal compression, oil control, and longevity.

Key Features:

• Plasma-moly coated steel top ring for superior wear resistance and reduced friction
• 1.5mm ring width for modern, low-tension design
• 0.151" radial wall thickness for structural integrity
• 4.175-inch bore diameter for precise fitment
• Premium MAHLE engineering and manufacturing quality
• Designed for performance and racing applications

MAHLE piston rings are manufactured to OEM specifications and beyond, utilizing advanced materials and surface treatments. The plasma-moly coating on the top ring provides exceptional protection against scuffing during break-in and maintains a superior seal throughout the engine's life. This ring set is ideal for engine builders seeking reliable, high-performance components for street performance, racing, or heavy-duty applications.