MAHLE Pistons 4065MS-15 Performance Series Piston Ring Set for 4.065-Inch Bore with File Fit and Ductile Iron Construction

The MAHLE Pistons 4065MS-15 Performance Series Piston Ring Set is designed for high-performance engine applications requiring precision and durability. This set features four piston rings with a 4.065-inch bore size, suitable for 8-cylinder engines. The rings are crafted from ductile iron and coated with plasma moly, ensuring excellent wear resistance and improved sealing. The rings have a file fit design with a thickness of 1.5 mm, providing flexibility for installation and optimal engine performance. The standard tension configuration offers consistent compression and efficient oil control, making these rings ideal for demanding automotive and truck engines. Each set is engineered to meet or exceed OEM standards, ensuring reliable operation and longevity under various operating conditions.

Features:

• Size: 4.065-inch bore for precise fit in compatible engines

• Material: Ductile iron construction for strength and durability

• Coating: Plasma moly for enhanced wear resistance

• Design: File fit rings for customization during installation

• Thickness: 1.5 mm, 1.5 mm, and 3.0 mm for top, second, and oil control rings

• Application: Suitable for 8-cylinder engines requiring standard tension rings

• Compatibility: Designed for performance applications in automotive and truck engines