{HEAD ~ Each spacer sleeve} 44, 46 has {TAIL ~ a stepped outer diameter portion} including a larger diameter portion 48, 50 and a smaller diameter portion 52, 54, respectively 
has
{ HEAD ~ Each spacer sleeve } 44 , 46 has { TAIL ~ a stepped outer diameter portion } including a larger diameter portion 48 , 50 and a smaller diameter portion 52 , 54 , respectively
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH