New for 2024 Ultra High Range Adjustable Damper that lets you swap springs freely without a retune/rebuild & has very even and predictable force changes between our very defined 32 reference points on the infinitely adjustable rebound. Micro Cellular foam progressive bump stop, laser logo etched threads for quick visual symmetry in height adjustments left to right, & Airbag upgrade ability. ~ Fits the RWD GTT Model only ~ Low Ride Height ability ~ Fully threaded damper & lower mount allows vehicle height to be adjusted independent of the spring preload and without using a helper spring. We always suggest zero spring preload. ~ All spherical bearing upper and lower mounts. Front lower bearing side spacer has a cone shape inside & that one's thin edge goes towards the car and the thicker edge goes towards our bearing. The plain bearing spacer is on outside between the bearing & m12 thread stud/nut. ~ Replaceable components ~ Custom spring rates are available to special order in addition to helper springs, & bolt in air bags sold separately. ~ Smooth upper damper body is designed to seal against our airbag o-rings. Upgrade to airbags any time. Use Bellows style bags on front and rear. ~ Spring upper perch provides independence between the spring and the bearing. ~ Billet T6061 lightweight aluminum Lower mounts are gold anodized with laser logo. ~ Block letters on the threads are 5mm each, which quickly assist in visually matching left and right height changes.