5" Spring Swivel Cup W/4" JB

This Swivel Cup Will Keep Your Spring Happy During Travel By Allowing Rotation And Angular Alignment. They Work With The Hollow Screw Jacks Or You Can Run Them On A Stud On The Rearend. Instead Of A Bolted Together Combo, The Cup Comes Off By Simply Pushing The SLIC Pin. This Patented SLIC Pin Technology Makes Spring Changes A Breeze. 4" Tall Cups & 4" Hollow Screw Jacks For Lightweight Combo.