Tein Flex Z Coilover Suspension Kit - Skyline HR33 51320-S04-003 perfect whether you use a

perfect whether you use a four or five-stud bolt pattern

Optional advanced PID control settings for advanced tuners

Do not use on polished

and the butterfly has an elliptical shape with a diagonal cross section

Tein Flex Z Coilover Suspension Kit - Skyline HR33 51320-S04-003 perfect whether you use aTein'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.