Attributes . For use with 3.000 in. diameter axles. Coilover shocks are non-adjustable Aluma Matic ALN5855P shocks. Springs are 12 in. linear rate 12HT130 springs. Includes a 1.625 in. O.D. x 0.095 in. wall x 40.000 in. long weld-in tube. . Names