MAHLE 3010867B Moly Ring Set Bore Top Compression Ring - 4.390 5/64

The MAHLE 3010867B is a high-performance molybdenum-faced piston ring set designed for engines with a 4.3900-inch bore diameter. This claimer-style compression ring features a 5/64-inch width and utilizes a moly face coating for superior wear resistance and reduced friction.

Key Features:

• 4.3900-inch bore diameter for precise fitment
• 5/64-inch (approximately 1.984mm) ring width
• Molybdenum-faced top compression ring for enhanced durability
• Claimer-style design for controlled performance applications
• Engineered to MAHLE's OE and racing quality standards
• Excellent heat dissipation and sealing properties
• Reduces blow-by and oil consumption

MAHLE piston rings are precision-manufactured using advanced metallurgy and coating technologies to deliver reliable performance in demanding applications. The molybdenum face coating provides exceptional scuff resistance during break-in and maintains a consistent seal throughout the engine's operating range. This ring set is ideal for claimer racing applications where durability and performance must be balanced within regulated specifications.