The Speedmaster PCE281.2153 assembled cylinder heads are engineered for Mopar Chrysler Big Block 383 and 440 engines, featuring 265cc intake runners and 74cc combustion chambers. Designed as a hydraulic roller-ready configuration, these heads arrive fully assembled, saving valuable build time and ensuring consistent, out-of-the-box performance for street and strip applications.
Bolt these heads onto your BB Mopar build for improved airflow and combustion efficiency over stock units. The fully assembled design means all valvetrain components are included and ready to install, making them an ideal upgrade for enthusiasts looking to maximize the potential of their classic 383 or 440 big block engine.