MAHLE 3030731 Chrome Piston Ring Set Bore Standard Tension - 3.5239 CP20

The MAHLE 3030731 is a premium chrome piston ring set engineered for high-performance and heavy-duty engine applications. This complete ring assembly features CP20 standard tension design with a 3.5239-inch bore diameter, providing reliable compression sealing and oil control in demanding operating conditions.

Key Specifications:

• Bore Diameter: 3.5239 inches (89.507mm)
• Ring Width: 4.0mm top and second rings
• Oil Ring Assembly: 4mm standard tension design
• Radial Wall Thickness: 0.139 inches
• Chrome-faced compression rings for exceptional wear resistance
• Complete set includes compression and oil control rings

MAHLE piston rings are manufactured to OE specifications using advanced metallurgy and precision grinding processes. The chrome facing on the compression rings provides superior durability and scuff resistance, while the standard tension oil ring assembly ensures optimal oil control without excessive cylinder wall loading. This ring set is designed for professional engine rebuilds where quality and longevity are critical.