The Speedmaster PCE281.2140 assembled cylinder heads are engineered for Mopar Chrysler Big Block 383 and 440 engines, featuring 265cc intake runners and 74cc combustion chambers designed to support hydraulic flat tappet camshaft applications. These heads arrive fully assembled, saving you critical build time and delivering a ready-to-install solution for your Big Block Mopar performance build.
Whether you're refreshing a classic muscle car or building a high-performance street or strip engine, these cylinder heads offer a direct-fit solution for Chrysler BB 383 and 440 applications. The assembled configuration ensures all valvetrain components are properly installed, making them an excellent choice for enthusiasts and professional builders alike seeking reliable Big Block Mopar power.
