{HEAD ~ A pair} of {TAIL ~ links} are pivotally coupled to the torsion arms via a pair of pivot mounts 
of
{ HEAD ~ A pair } of { TAIL ~ links } are pivotally coupled to the torsion arms via a pair of pivot mounts
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH