MAHLE Pistons 4190MS-112 Performance Series Piston Ring Set for 4.190 Inch Bore, Steel, File Fit, Standard Tension, 8-Cylinder

The MAHLE Pistons 4190MS-112 Performance Series Piston Ring Set is engineered for high-performance engine applications requiring precise sealing and durability. Designed for a 4.190-inch bore, these rings feature a steel construction that ensures longevity and resistance to wear under demanding conditions. The file fit design allows for custom fitting during installation, providing an optimal seal and reducing blow-by for improved engine efficiency. Each set includes rings with a thickness of 1.0 x 1.0 x 2.0 mm, suitable for a wide range of automotive and truck engines requiring reliable performance. The rings are manufactured with a HV385 thermal coating, offering enhanced heat resistance and reduced friction, which contributes to better overall engine performance and longevity.