A pair of {HEAD ~ torsion arms} are rigidly mounted to opposite ends of the torsion bar and extend rearwardly toward {TAIL ~ the oscillating axle assembly} 
A pair of { HEAD ~ torsion arms } are rigidly mounted to opposite ends of the torsion bar and extend rearwardly toward { TAIL ~ the oscillating axle assembly }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL