MAHLE 3021374B Performance Piston Ring Set Bore Steel Napier - 3.952 1.0mm

The MAHLE 3021374B is a high-performance piston ring set engineered for precision engine building and racing applications. This premium ring set features a steel Napier-style second ring design optimized for superior oil control and cylinder sealing in demanding conditions.

Key Specifications:

• Bore Size: 3.952 inches (100.46mm)
• Ring Width: 1.0mm
• Radial Wall Thickness: 0.136 inches
• Second Ring Design: Steel Napier profile
• Configuration: Plain ring set

MAHLE piston rings are manufactured to OE specifications with advanced materials and coatings to ensure optimal performance, durability, and longevity. The Napier ring design provides excellent oil control while maintaining consistent cylinder pressure, making this ring set ideal for performance street and racing engines. Each ring is precision-machined to exacting tolerances for proper fit and function.

This ring set is designed for professional engine builders and performance enthusiasts who demand the highest quality components for their builds. MAHLE's expertise in piston ring technology ensures reliable operation under extreme temperatures and pressures.