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Katech Engineering LLC - Gen 3 & 4 LS Cylinder Heads

Built on decades of championship-winning engine development, Gen 3 and Gen 4 LS cylinder heads from Katech Engineering deliver proven airflow, durability, and power for street, strip, and road race applications. Every LS cylinder head is engineered, CNC machined, and assembled in-house at Katech’s Clinton Township, Michigan facility using processes refined through elite motorsports competition.
Katech Gen 3/4 LS cylinder heads are designed to optimize combustion efficiency, valvetrain stability, and high-RPM reliability across naturally aspirated, boosted, and competition-focused LS engine combinations. Precision port geometry and combustion chamber design work together to support consistent airflow and repeatable power.
With race-validated designs, exacting machining standards, and uncompromising quality control, Katech Gen 3/4 LS cylinder heads provide a professional-grade foundation for LS engines where performance and reliability are non-negotiable.
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