Katech Engineering LLC - Complete GM LS & LT Cylinder Heads

Since 1977, Katech Engineering has applied race-winning experience and precision engineering to the development of complete GM LS and LT cylinder heads. Designed for high-performance street, track, and professional motorsports applications, these fully assembled cylinder heads deliver optimized airflow, valvetrain stability, and proven durability.

All Katech GM LS & LT cylinder heads are engineered, CNC-machined, assembled, and inspected in-house at our Clinton Township, Michigan facility. Using race-validated port designs, premium valvetrain components, and rigorous quality control, each complete cylinder head package is built to deliver consistent, repeatable performance.