Mahle MS 4.030in+ .005in 1.5 1.5 3.0 mm File Fit Rings

The Mahle MS 4.030 inch+ .005 inch 1.5 1.5 3.0 mm File Fit Rings are precision-engineered piston rings designed for high-performance engine applications. Crafted by Mahle, these file fit rings are intended to provide optimal sealing and durability in demanding conditions. The specifications include a 4.030-inch bore size with a +.005-inch expansion, and ring dimensions of 1.5 mm thickness with a 3.0 mm gap, making them suitable for custom fitting and fine-tuning engine performance. Their construction ensures reliable compression, oil control, and longevity, making them ideal for rebuilds and performance upgrades.

These file fit rings are compatible with engines requiring precise bore sizing and are suitable for various automotive applications, including street and track use. They are designed as direct replacements or upgrades for engines with a 4.030-inch bore, allowing for custom fitting during assembly or rebuild processes. Installation involves filing to achieve the exact gap needed for optimal performance. These rings are suitable for use in engines that demand high sealing efficiency and durability, providing a reliable solution for performance enthusiasts and professional rebuilders alike.