Tein Flex Z Coilover Suspension Kit - IS350 GSE31 53540-S04-013 anti-crack rubber compound designed to

anti-crack rubber compound designed to offer vastly improved steering response and improved handling

and tested it

One recirc port keeps the car’s ECU happy

has been developed in "aggressive sizes" specialized for tough use by narrowing the rim width and inset for each vehicle model

Thick-walled intake runners leave large allowances for porting to minimize chances of breakthrough and a larger 70mm throttle body opening offer maximum air flow

Tein Flex Z Coilover Suspension Kit - IS350 GSE31 53540-S04-013 anti-crack rubber compound designed toTein'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.