Description
The JE Pistons JG4904-3917 piston ring set is engineered to optimize engine performance by providing precise sealing of combustion pressure. Designed for 4-cylinder engines, this set includes a carbon steel top ring with a nitride coating, an iron phosphate second ring, and a chrome low tension oil ring, all tailored to enhance horsepower and durability. These rings are available in a file-fit configuration, allowing for custom sizing to match specific engine requirements, ensuring a perfect seal and reduced friction for improved efficiency.
Constructed with high-quality materials, the top ring offers excellent wear resistance and heat transfer capabilities, while the second ring provides effective sealing and control of oil consumption. The low tension oil ring reduces drag and enhances oil control, contributing to smoother engine operation. JE Pistons also offers advanced custom services such as back cutting, dyke cutting, lapping, grinding, and PVD coating, similar to those used by top NHRA Pro Stock and NASCAR teams. These modifications significantly boost durability, reduce friction, and improve ring sealing, translating to increased horsepower and engine longevity.
Designed for enthusiasts and professional mechanics, this piston ring set is suitable for high-performance applications where precision and reliability are critical. It is compatible with a range of engine sizes and configurations, providing a versatile solution for rebuilds, upgrades, and custom projects. Proper installation and sizing ensure maximum benefit, making the JE Pistons JG4904-3917 set a dependable choice for achieving optimal engine performance and longevity.
Features:
- Precision sealed to maximize engine horsepower and efficiency
- Includes carbon steel top ring with nitride coating for durability
- Iron phosphate second ring provides effective sealing
- Chrome low tension oil ring reduces friction and oil consumption
- Customizable with services like back cutting, dyke cutting, lapping, grinding, and PVD coating
- Designed for 4-cylinder engines with a file-fit configuration for precise sizing
- Constructed with high-quality materials for enhanced wear resistance
- Optimized for high-performance applications with improved durability and sealing



















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