Our repair / sized liners are manufactured from Standard Centrifugal Spun Cast iron.
Most of our liners made for specific applications are also made from the same material.
For our range of performance/race type liners, we use Ductile Iron. This material is three times stronger than the standard material and very good for high performance and turbo applications. Also especially good for wet type liners, that are subject to splitting/distortion in the standard material.