The Speedmaster PCE306.1053 is a Plasma Moly piston ring set designed for a 4.290-inch bore diameter with a 1.5mm / 1.5mm / 3mm ring width configuration. Plasma Moly rings are engineered to reduce friction and promote faster break-in while providing excellent wear resistance and improved ring seal for performance and racing applications.
This Zero Gap ring set is built for high-performance engine builds where maintaining consistent cylinder pressure is critical. The precise 4.290" bore sizing ensures proper fitment and optimal sealing when matched to the correct pistons and cylinder preparation. Always verify bore diameter and ring groove dimensions against your specific engine build before ordering.
MPNPCE306.1053
UPC840136538141
