Tein Flex Z Coilover Suspension Kit - IS F USE20 Bushes The installation process for this

The installation process for this adapter is straightforward

DFV technology (Dual Flow Valve)

and is available for B and K-series engines

Our stylish black anodized finish adds durability and the laser-etched SF logo will match your other SpeedFactory components

as well as the Forester STi SG9

Tein Flex Z Coilover Suspension Kit - IS F USE20 Bushes The installation process for thisTein's flagship coilover, the Flex Z includes all the features you'd want on a suspension kit. 16 level damping adjustment, full ride height control and replacement top mounts make Flex Z the complete package. Highly durable, each Flex Z kit features thorough rust proofing and is made of high strength, highly durable steel for added peace of mind.