The Speedmaster PCE306.1055 is a Plasma Moly piston ring set engineered for a 4.330-inch bore diameter, featuring a 1.5mm / 1.5mm / 3mm ring pack configuration. The plasma moly face coating promotes rapid ring seating, reduces friction, and helps deliver improved oil control and cylinder sealing for high-performance engine builds.
Designed as a zero-gap ring set, these rings are intended for builders who prefer to custom-fit end gaps to their specific application, giving you precise control over compression and oil ring clearances. Whether you're assembling a street performance or competition engine, this ring set offers a reliable foundation for a quality build.
MPNPCE306.1055
UPC840136538165
