Adjust final ride height up to 2", Adjust your Mustang II installation, Trimming and drilling of towers required Speedway Mustang II Coil Spring Ride Height Adjuster Kit Sku # 91034444 Mfr. Part # ...

Any guy who's had to change the coil springs in his vehicle knows the potential hazards involved in doing this job. What can make the task even more hazardous is when there's no weight on the vehicle.

5lb increments allow you to get your shock feeling exactly right; no tools or spring swaps needed for adjustment; comparable in weight to a standard coil Cons: Lab readings show that the spring rates ...

Sprindex is a new spring system for coil mountain bike shocks that, for the first time, will allow the rider to adjust and fine tune the spring rate of their coil shock, without changing the coil.