Tein Flex Z Coilover Suspension Kit - IS350 GSE31 53540-S04-013 has been developed in "aggressive

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

One recirc port keeps the car’s ECU happy

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

Onboard MAP sensor not included

Performance gains: 9 hp and 9 ft-lb peak

Tein Flex Z Coilover Suspension Kit - IS350 GSE31 53540-S04-013 has been developed in "aggressiveTein'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.