MAHLE 3011225 Performance Plasma Moly Steel Piston Ring Set 3.248in Bore 1.0mm Top Ring

The MAHLE 3011225 is a Performance Plasma Moly Steel Piston Ring Set designed for high-performance and racing applications requiring superior ring seal, durability, and wear resistance. Featuring an HV385 plasma-sprayed molybdenum top ring, this ring set delivers the tight tolerances and robust construction demanded by built performance engines.

The plasma moly (molybdenum) coating on the top ring provides outstanding hardness (HV385 Vickers hardness), exceptional oil retention, and reduced friction against the cylinder wall — making it ideal for forced induction, high-compression, and competition engine builds. MAHLE is a globally recognized OEM and performance supplier trusted by professional engine builders worldwide.

Key Specifications:

• Bore Diameter: 3.248 inches
• Top Ring Width: 1.0mm
• Radial Wall (RW): 0.143 inches
• Top Ring Coating: Plasma Moly (Molybdenum) — HV385 hardness rating
• Ring Material: Performance steel
• Application: High-performance and racing engine builds

Key Features:

• Plasma-sprayed moly top ring for superior sealing and wear resistance
• HV385 Vickers hardness for long-lasting durability under extreme conditions
• Precision-ground steel construction for consistent gap and seal integrity
• Designed for performance street, strip, and racing applications
• Manufactured to strict OEM-level tolerances by MAHLE, a trusted global engine component supplier

The MAHLE 3011225 piston ring set is the choice for performance engine builders who demand consistent combustion sealing, reduced blow-by, and long service life in demanding operating environments. Always verify bore size and ring gap before installation per engine builder specifications.