MAHLE 3020902 Plain Ring Set Bore Grey Iron RBT Second Ring - 4.5675

The MAHLE 3020902 Plain Ring Set is a precision-engineered piston ring designed for high-performance engine rebuilds. This second compression ring features a 4.5675-inch bore diameter with a 1/16-inch edge width, making it suitable for large displacement engines commonly found in heavy-duty applications.

Key Specifications:

• Bore diameter: 4.5675 inches
• Ring width: 1/16 inch (0.0625")
• Material: Grey cast iron construction for excellent wear resistance
• RBT (Reverse Bevel Taper) profile on second compression ring
• Plain finish for optimal oil control and ring seal

MAHLE is a leading OEM supplier of piston rings, known for their precision manufacturing and strict quality control. The grey iron material provides superior heat dissipation and durability under high-temperature operating conditions. The RBT profile on this second ring promotes proper oil distribution while maintaining effective combustion seal, making it ideal for both gasoline and diesel engine applications.

This ring set is commonly used in industrial, marine, agricultural, and performance automotive engine rebuilds requiring this specific bore size.