JE Pistons JC3801-2598 Piston Ring Set | 66.00mm Bore (0.8mm x 1.5mm)

Maximize your engine's power output with the industry leader in precision combustion sealing.

The JE Pistons JC3801-2598 Piston Ring Set is engineered specifically for high-performance racing applications demanding reliable sealing under intense cylinder pressures. Utilizing over 75 years of high-level racing experience, JE designs and machines these rings in-house to drastically reduce friction, provide exceptional blow-by control, and enhance long-term engine durability.

Fitment

Because piston rings are highly size-specific, verify these technical parameters prior to assembly:

• Engine Configuration: Single-cylinder package (Order multiple sets if building a multi-cylinder engine)

• Bore Diameter: 66.00 mm

• Top Ring Thickness: 0.8 mm (Carbon Steel Chrome)

• Second Ring Thickness: 0.000 mm (Omitted in this ultra-lightweight performance configuration)

• Oil Ring Thickness: 1.5 mm (Low-Tension Layout)

• Ring Style: File-Fit

Kit Highlights:

• Advanced Material Engineering: Features a high-strength carbon steel chrome top ring alongside a low-tension oil ring layout for minimized friction and instant seat-in.

• Premium Race Features: Built to the same rigorous standards trusted by top-tier NHRA Pro Stock and NASCAR engine builders, delivering proven, repeatable power gains.

• File-Fit Convenience: Packaged for 1 cylinder, allowing engine builders to precisely gap the rings to meet specific thermal and performance needs.