JE Pistons JC4404-3938 ProSeal Piston Ring Set

JE Pistons brings over 60 years of forged racing piston expertise to the JE ProSeal Piston Ring line — engineered to complement JE's world-class piston designs with the same precision and performance demanded at the highest levels of motorsport. Trusted by top teams in NASCAR, ALMS, NHRA, and AMA, ProSeal rings deliver race-proven sealing performance for a wide range of applications.

Key Features:

• Designed and manufactured to complement JE forged racing pistons
• Available for racing, street, and powersports applications
• Over 2,300 ring set and individual part numbers in stock
• Custom ring manufacturing services available for special applications
• Sold as matched sets — the 6th digit of the part number indicates the number of rings included in the set

JE ProSeal rings are offered in an extensive catalog of sizes and configurations, ensuring a precise fit for virtually any build. Custom ring sets are also available for one-off or specialized engine applications. Order the correct matched set for your application to ensure optimal ring seal and engine performance.