MAHLE 9301840 Piston Ring Support Rail Bore - 4.125-4.165 2mm

The MAHLE 9301840 is a precision-engineered piston ring support rail designed for engine rebuilding and performance applications. This component is specifically sized for cylinders with bore diameters ranging from 4.125 to 4.165 inches, with a 2mm rail height specification.

Key Specifications:

• Bore range: 4.125" to 4.165" (104.78mm to 105.79mm)
• Rail height: 2mm
• Manufactured by MAHLE, a leading OEM supplier of engine components
• Precision-machined for optimal piston ring support and stability
• Designed to maintain proper ring tension and seal integrity

Support rails are critical components in multi-piece piston ring assemblies, providing structural support to oil control rings and ensuring proper sealing between the piston and cylinder wall. MAHLE's precision manufacturing ensures consistent quality and dimensional accuracy for reliable engine performance.