Piston Ring Set 4.020 Moly 1/16 1/16 3/16

The JE PISTONS Piston Ring Set 4.020 Moly 1/16 1/16 3/16 is designed for high-performance engine builders and automotive enthusiasts who require precision and durability in modified engines. This ring set is ideal for applications such as street machines, competition engines, and performance daily drivers, ensuring optimal sealing integrity and blow-by control.

Engineered for a 4.020-inch bore, this piston ring set features a classic three-ring configuration with 1/16-inch top and second rings, and a 3/16-inch oil ring. The molybdenum (moly) face coating on the compression rings enhances scuff resistance during break-in, while minimizing friction and wear against cylinder walls. The precise tolerances and geometry of the rings ensure effective combustion sealing and minimal blow-by, which is crucial for maintaining performance in turbocharged and naturally aspirated engines.

This piston ring set is perfect for custom engine builds, allowing builders to achieve predictable clearances when honed to JE's recommended specifications. With a commitment to quality, JE Pistons is a trusted choice among professional engine shops and OEM manufacturers worldwide, making this ring set an excellent investment for serious automotive projects.