Together with valve seat inserts and valve guides, valves form a closed system, which has to withstand extreme loads and stresses. ARCO offers not just a complete range of valves, but also their tribological partners: valve guides and valve seat inserts.

Every cylinder head is made for superior strength and durability, which requires that its components interact perfectly in order to achieve an effective gas exchange, and our quality control with its multiple tests warrants an efficient outcome. ARCO has been committed to providing only 100% quality components.