Speedmaster PCE281.1476 LS3 L92 L76 270cc 71cc CNC Aluminum Bare Cylinder Head

The Speedmaster PCE281.1476 is a precision-engineered bare cylinder head designed for LS-series Chevy GM engines, including LS3, L92, and L76 applications. This full CNC aluminum cylinder head features 270cc intake and 71cc combustion chamber volumes, delivering the dimensional accuracy required for serious engine builders and performance enthusiasts.

Built from aluminum with complete CNC machining, this bare head provides the foundation for custom engine builds and high-performance modifications. The specific port and chamber volumes make it compatible with the LS3, L92, and L76 engine family, offering flexibility for various displacement and boost configurations. Whether you're assembling a street engine, race application, or restoration project, this quality bare head delivers the precision and reliability expected in modern LS engine performance.

Key Features & Benefits

• Full CNC Aluminum: Precision-machined from aluminum for dimensional accuracy and quality.
• 270cc/71cc Specifications: 270cc intake ports and 71cc combustion chambers optimized for LS-series performance.
• LS3/L92/L76 Compatible: Designed to fit Chevy GM LS-family engines including LS3, L92, and L76 variants.
• Bare Head Design: Delivered as a bare casting ready for custom port work, valve job, or direct assembly.

Specifications

Ideal Applications

• LS-series engine builds and performance modifications
• High-performance street and race engine assembly
• Engine restoration and rebuild projects
• Custom displacement and boost configurations