Z16 – Supertech Valve Guides Manganese Bronze x 8 – Intake

Supertech valve guides are precision machined to exact tolerances from high quality Manganese Bronze or Copper Alloy. These guides in conjunction with their low friction black nitride valves provide an unsurpassed solution for high performance and sustained durability.

Supertech also offer Copper Alloy for exhaust valve guides for high powered engines that require a higher thermal coefficient.