The Speedmaster PCE306.1057 is a plasma moly piston ring set designed for engines with a 4.500-inch bore diameter. Featuring a 1.5mm top ring, 1.5mm second ring, and 3mm oil ring configuration, these rings are engineered to deliver superior sealing efficiency and reduced friction for high-performance engine builds.
The plasma moly coating on the top ring promotes faster break-in, excellent wear resistance, and long-term durability under demanding conditions. The zero-gap design option provides maximum cylinder pressure retention, making this ring set an ideal choice for performance and racing engine applications where precise tolerances matter.
MPNPCE306.1057
UPC840136538189
