The number of sprags 80 is equal to the number of sprags 40, while the clutch teeth 78 are equal in {HEAD ~ number} to {TAIL ~ the clutch teeth} 20 
to
The number of sprags 80 is equal to the number of sprags 40 , while the clutch teeth 78 are equal in { HEAD ~ number } to { TAIL ~ the clutch teeth } 20
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH