Tein Flex Z Coilover Suspension Kit - GR86 ZN8 51321-SNA-A02 Thanks to PIAA's own advanced

Thanks to PIAA's own advanced Reflector Facing Technology

5" outlet T-6061 bead rolled tube

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5 wheel nut thread

57XR-X also has these characteristics and Speed-Brick Rim Type-1 was adopted for the rim well

Tein Flex Z Coilover Suspension Kit - GR86 ZN8 51321-SNA-A02 Thanks to PIAA's own advancedTein'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.