JE Pistons J180F1-3218 File-Fit Piston Ring Set 3.218 Bore

The JE Pistons J180F1-3218 is a file-fit piston ring set engineered for high-performance and racing applications. Designed to complement JE's forged piston lineup, this ring set is sized for a 3.218-inch (81.74mm) bore diameter and delivers the sealing efficiency and durability demanded by serious engine builders.

JE's file-fit rings allow the builder to precisely set the end gap to match specific application requirements — whether for a naturally aspirated street build, forced induction, or full competition use. This level of control is essential for optimizing compression seal, minimizing blowby, and extending engine longevity.

Key Features:

• File-fit design for precise end-gap tuning by the builder
• Sized for 3.218-inch bore diameter
• High-quality ring materials suited for performance and racing use
• Compatible with JE forged pistons of corresponding bore size
• Engineered to maintain consistent ring seal under high heat and pressure
• Low-tension design helps reduce friction and parasitic power loss
• Suitable for naturally aspirated, turbocharged, and supercharged applications

JE Pistons is a trusted name in professional motorsports and high-performance engine building, with decades of experience supplying rings, pistons, and related components to top racing teams worldwide. The J180F1-3218 ring set upholds that standard, providing the precision and reliability that professional engine builders expect.