Our turnbuckle style lowering links will adjust the rear ride height of all years ZX14 infinitely between stock height and a 4 inch drop.  No need to remove bolts and disassemble the rear suspension everytime you raise or lower your bike.  The body is gold zinc plated steel or stainless steel, NOT aluminum.  The ends have a 1/2" thread and are black oxided steel, NOT aluminum.  Aluminum threads DO NOT last and are dangerous!  For use with the bellypan/fairing.  Other threaded style lowering links for the ZX14 will not clear the bellypan/fairing.