MAHLE Pistons 4065MS-112 Performance Series Piston Ring Set for 4.065-inch Bore, Steel, File Fit, Standard Tension

The MAHLE Pistons 4065MS-112 Performance Series piston ring set is designed for high-performance engines with a 4.065-inch bore. Crafted from durable steel, these rings feature a file fit design, allowing precise adjustments for optimal sealing and performance. The set includes rings with a thickness of 1.0 mm for compression and oil control, as well as a 2.0 mm oil ring, ensuring robust sealing and longevity in demanding applications. The rings are engineered with HV385 thermal treatment, providing enhanced resistance to thermal expansion and wear, suitable for high-temperature engine environments. This kit is compatible with eight-cylinder engines and maintains standard tension for reliable operation. Proper installation of these piston rings ensures proper compression, reduces blow-by, and promotes efficient engine operation, making them ideal for performance rebuilds or upgrades. These piston rings are not air restricted and can be used in various vehicle applications without freight restrictions.

Features:

• Designed for 4.065-inch bore engines

• Performance Series piston rings made from steel

• File fit design for precise installation

• Standard tension for reliable performance

• HV385 thermal treatment for enhanced durability

• Includes compression, oil control, and oil rings

• Suitable for 8-cylinder engine configurations