MAHLE 3011273B Performance Piston Ring Set - 4.1875" Bore, 1/16" 1/16" 3/16" Steel PVD

The MAHLE 3011273B is a high-performance piston ring set engineered for extreme racing applications, including NHRA Top Fuel dragsters. This premium ring set features advanced 9254 steel construction with a Physical Vapor Deposition (PVD) coating for superior durability and wear resistance under the most demanding conditions.

Key Specifications:

• Bore Size: 4.1875 inches
• Ring Configuration: 1/16" top ring, 1/16" second ring, 3/16" oil ring
• Material: 9254 performance steel with PVD coating
• Design: Ultra-thin UCR (Ultra-Chrome Ring) profile
• Radial Wall: 0.175 inches
• NHRA approved for Top Fuel competition

Performance Features:

• PVD coating provides exceptional surface hardness and reduced friction
• 9254 steel construction offers superior strength and heat resistance
• Ultra-thin ring design reduces friction losses and improves power output
• Precision-engineered tolerances for maximum cylinder sealing
• Designed to withstand extreme cylinder pressures and temperatures

MAHLE's plain ring sets are manufactured to the highest standards for professional racing applications where reliability and performance are critical. These rings are specifically designed for drag racing engines that operate under extreme boost and combustion pressures.