This CB158 cylinder head is manufactured using high-strength aluminum alloy and advanced casting technology to ensure exceptional durability and thermal performance. The combustion chamber, intake and exhaust ports, and valve seat areas are precision-machined to deliver smooth airflow, stable compression, and efficient fuel combustion.
The reinforced cooling fins enhance heat dissipation, helping maintain engine stability under long-term or high-load operation. Designed as an exact replacement for CB158-type engines, this cylinder head is ideal for engine rebuilding, aftermarket repair, and OEM manufacturing.
With its reliable structure, accurate fitment, and long service life, it provides outstanding value for motorcycle workshops, parts distributors, and engine service professionals.




