The cam positions of the camshaft include {HEAD ~ secondary lobes} in {TAIL ~ conjunction} with normal primary lobes 
in
The cam positions of the camshaft include { HEAD ~ secondary lobes } in { TAIL ~ conjunction } with normal primary lobes
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH