JE Pistons Ring Sets 99.75 Bore 79 Stroke 130.5mm 30.7mm C/D -17.0 Dome 405 | JG4904-3927

The JE Pistons 4-Cylinder File-Fit Piston Ring Set is designed for high-performance engine builds where precise ring end-gap adjustment is critical. These rings allow the engine builder to custom-file each ring to the desired end gap based on the engine's bore, power level, fuel type, and intended use.

Key Features

• File-Fit Design
• Customizable ring end gaps
• Designed for high-performance applications
• Helps maximize combustion sealing
• Helps reduce blow-by
• Available in multiple bore diameters and ring configurations
• Sold as a set for 4 cylinders

Ring Construction

Depending on the selected configuration, JE Pistons offers different ring materials, coatings, thicknesses, and profiles. Available configurations may include performance-oriented top and second rings paired with low-tension oil rings.

Important Note

These are file-fit piston rings, meaning they must be properly measured and filed to achieve the correct end gap for your specific engine combination.

Bore diameter, piston design, power level, fuel type, boost level, and intended use should all be considered when determining the proper ring gap.

Verify the exact bore diameter, ring thickness, and ring configuration before ordering.