Red (Soft) _ 87-88A Blue (Medium) _89-90A Black (Hard) _91-92A
Note:
Proper king pin lengths must be used when using small top cone bushing with SZ truck kits.
IndeeSZ_ 2.25" suggested. RKP truck kits_ 2.50" suggested.
Please be aware that the length of King pins can change depending on your bushing set ups....always check
King pin engagement in the 10mm INDeeSZ heli-coil base....King pins must be engaged with no slop for proper performance.
INDeeSZ short cones can also be used on SZ RKP hangers