Speedmaster 198cc Intake Runner Full CNC Aluminum Bare Cylinder Head; 68cc Chamber (97-04 Corvette C5; 05-07 6.0L Corvette C6)Find parts that fit my vehicle

The Speedmaster 198cc Intake Runner Full CNC Aluminum Bare Cylinder Head with a 68cc combustion chamber is designed for LS-series engines featuring cathedral-style intake ports. This cylinder head enhances airflow through fully CNC-machined intake and exhaust runners and chambers, contributing to improved engine breathing characteristics.

Constructed from lightweight aluminum via a gravity casting process, the cylinder head has a natural finish that emphasizes its precision-machined surfaces. The component incorporates bronze valve guides and ductile iron valve seats machined with a 3-angle style for reliability and valve sealing.

Installation of this bare cylinder head requires all associated valvetrain components—such as valves, springs, seals, retainers, and locks—as well as professional machine checks and assembly procedures. Accessory bolt holes are pre-drilled, but careful attention during installation is essential to ensure proper fit, torque, and sealing.

This cylinder head is compatible with multiple LS-based applications, including but not limited to the 97-04 Corvette C5 and the 05-07 6.0L Corvette C6 platforms. Fitment depends on specific engine configurations, and professional consultation is recommended to confirm suitability.

The product comes with a 12-month limited worldwide warranty against manufacturing defects.

Application. Fits 97-04 Corvette C5 and 05-07 6.0L Corvette C6 platforms, making it an excellent choice for LS-series engine upgrades within these model years.

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