Speedmaster PCE305.1124 forged flat top pistons are engineered specifically for Chevy LS1 applications, featuring a 3.905-inch bore diameter with 1.065-inch and .927-inch pin dimensions. The flat top design supports efficient combustion chamber dynamics, and forged construction delivers the strength and durability needed for high-performance street and track builds.
These pistons are a direct fit for LS1-based engines running a 3.905-inch bore, making them an ideal choice for rebuilds or performance upgrades. Sold as a set, the Speedmaster PCE305.1124 flat top forged pistons provide a reliable foundation for maximizing power output while maintaining long-term engine integrity.
MPNPCE305.1124
UPC840136537632
