Katech Engineering LLC - Copy of GM Cylinder Heads, Parts & Services

GM Cylinder Heads, Components & CNC Machining Services

This category includes complete cylinder heads, individual components, and machining services for GM engine platforms, including LS, LT, and other performance engines. Cylinder heads control airflow into and out of the combustion chamber, directly influencing volumetric efficiency, combustion stability, and overall engine performance.

Katech GM cylinder head solutions are developed through in-house engineering and professional motorsports programs. Since 1977, this experience has informed airflow development, machining processes, and component selection used across a wide range of engine configurations.

Port geometry, valve sizing, chamber design, and surface finish are established through airflow development, flow bench testing, and dyno validation to maintain consistent cylinder-to-cylinder airflow and combustion stability across the operating range.

This category includes complete cylinder heads, CNC porting and machining services, valves, valve springs, retainers, guides, seals, fasteners, and related hardware. Each component is selected or machined based on compatibility with the intended engine configuration, valvetrain requirements, and operating conditions.

CNC porting and machining processes refine intake and exhaust port geometry while maintaining structural integrity and proper cylinder head architecture. Services such as resurfacing, guide work, valve jobs, and complete rebuilds are performed to restore sealing integrity, maintain proper surface finish, and support long-term durability.

All GM cylinder head components and services are machined, assembled, and validated in-house at Katech’s Clinton Township, Michigan facility. These processes align with those used in professional racing programs and support airflow performance, valvetrain stability, and durability under elevated cylinder pressure and engine speed.

These products and services support GM performance engines where precise airflow control, valvetrain stability, and combustion efficiency are required for consistent power and reliability.