Speedmaster Mopar Chrysler BB 383 440 Hydraulic Roller Assembled Cylinder Heads PCE281.2153

The Speedmaster PCE281.2153 cylinder heads are precision-engineered, fully assembled hydraulic roller cylinder heads designed for Mopar Chrysler big-block engines, specifically the 383 and 440 cubic inch platforms. These heads feature 265cc intake and 74cc exhaust port volumes, optimized for improved airflow and combustion efficiency in classic and performance builds. The hydraulic roller design ensures consistent valve actuation and reduced friction compared to traditional solid lifter configurations.

These assembled heads arrive ready for installation, eliminating the need for additional machining or component sourcing. They are compatible with standard Mopar Chrysler BB engine blocks and integrate seamlessly into restoration, rebuild, and performance upgrade projects. The precision casting and assembly process ensure repeatability and reliability across multiple engine applications. Whether building a street engine or restoring a vintage Mopar, these hydraulic roller heads provide modern valve train technology while maintaining authentic big-block character and performance potential.

Key Features & Benefits

• Hydraulic Roller Design: Reduces friction and provides consistent valve actuation compared to solid lifter configurations.
• 265cc Intake / 74cc Exhaust: Optimized port volumes support improved airflow and combustion efficiency.
• Fully Assembled: Arrives ready to install without requiring additional machining or component preparation.
• Mopar Chrysler BB Compatible: Engineered for 383 and 440 cubic inch big-block engines.
• Precision Casting: Ensures repeatability and reliable performance across engine builds.

Specifications

Ideal Applications

• Engine rebuilds and restoration of classic Mopar Chrysler big-block vehicles
• Performance upgrades for street engines using 383 or 440 platforms
• Classic car restorations requiring period-correct big-block architecture
• High-output engine builds for drag racing and vintage performance applications