Speedmaster PCE281.2031 Chevy BBC 454 320cc 119cc Hydraulic Flat Assembled Cylinder Heads

The Speedmaster PCE281.2031 is a pre-assembled cylinder head set engineered for Chevy big-block (BBC) 454 engines. These heads feature 320cc intake port volume and 119cc combustion chamber size, optimized for hydraulic flat tappet lifter compatibility. They arrive ready to install, reducing machine shop time and simplifying engine builds for street and mild performance applications.

These BBC 454 heads deliver consistent flow characteristics and chamber volume that work well with OEM-style hydraulic valve train setups. The hydraulic flat tappet design maintains compatibility with traditional BBC 454 engine architecture, making them a straightforward bolt-on solution for restoration, replacement, or engine refresh projects. Ideal for builders seeking reliable, ready-to-run heads without the need for additional porting or valve work.

Key Features & Benefits

• BBC 454 Fitment: Engineered specifically for Chevy big-block 454 engines with OEM-style hydraulic lifter compatibility.
• 320cc Intake Ports: Optimized port volume supports efficient airflow for street and mild performance power levels.
• 119cc Combustion Chamber: Sized to deliver appropriate compression characteristics for BBC 454 applications.
• Hydraulic Flat Tappet Design: Fully compatible with standard hydraulic flat tappet valve train systems.
• Pre-Assembled: Arrives ready to install with no additional machine work required.

Specifications

Ideal Applications

• BBC 454 engine restoration and rebuild projects
• OEM replacement cylinder heads for vintage Chevy big-block engines
• Street and mild performance engine builds
• Engine refresh and maintenance applications