Tein Flex Z Coilover Suspension Kit - Silvia S13 51220-TA0-A02 Eibach are a company with

Eibach are a company with many years of automotive experience

We have Exoracing o2 spacers designed to move the lambda sensor away from the exhaust

The Tomei Duracon shift knobs are compatible with both M12 and M10x1

and it is best to use -12AN line for return to the fuel cell to avoid fuel pressure climbing over a 1:1 ratio due to flow restriction on the return side

Tein Flex Z Coilover Suspension Kit - Silvia S13 51220-TA0-A02 Eibach are a company withTein'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.