The Mahle OE Performance Napier Ring Set (Part Number mhl3021257B) is designed for high-performance automotive applications, specifically for THM-13 series engines. Each set includes 48 rings crafted to meet OEM standards, ensuring reliable sealing and durability under demanding conditions. These rings feature a 4.160-inch diameter and a thickness of .043 inches, with a height of 135 mil, optimized for effective compression and oil control. Constructed with precision, they provide consistent performance, contributing to engine efficiency and longevity. The bulk pack format makes them ideal for professional rebuilds or large-scale repair operations, offering cost-effective solutions without compromising quality. Whether restoring an engine or upgrading components, Mahle’s rings deliver trusted performance and compatibility with a wide range of automotive engines.
Features:
- Designed for THM-13 engines with a 4.160-inch diameter
- Constructed with a thickness of .043 inches for optimal sealing
- 135 mil height for effective compression and oil control
- Bulk pack of 48 rings for economical large-scale repairs
- Manufactured by Mahle OE to meet OEM standards for quality and reliability