Perfect Circle 315-0053.065 Moly Piston Ring Set Bore - 4.560

The Perfect Circle 315-0053.065 is a premium piston ring set engineered for high-performance engine rebuilds. Designed for engines with a 4.560-inch bore diameter, this ring set features a molybdenum-faced top compression ring for superior wear resistance and sealing performance.

Key Specifications:

• Bore Size: 4.560 inches
• Top Compression Ring: 1/16 inch width with moly face
• Second Compression Ring: 1/16 inch width
• Oil Control Ring: 3/16 inch width
• Molybdenum coating provides excellent scuff resistance and durability
• Precision-machined for optimal ring tension and seal

Perfect Circle piston rings are manufactured to OEM specifications and are trusted by professional engine builders for their consistent quality and performance. The moly-faced top ring reduces friction and extends ring life, while the three-piece design ensures proper oil control and compression sealing. Each ring set is designed for one cylinder and includes all three rings needed for a complete piston assembly.