Tein Flex Z Coilover Suspension Kit - IS350 GSE31 53540-S04-013 Performance gains: 9 hp and

Performance gains: 9 hp and 9 ft-lb peak

and tested it

so you can expect a more precise and smoother shifting experience

Vacuum Low -14In Hg

One recirc port keeps the car’s ECU happy

Tein Flex Z Coilover Suspension Kit - IS350 GSE31 53540-S04-013 Performance gains: 9 hp andTein'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.