I agree, presume it is ground with a 110 LSA.
Unless custom all their High Energy hydraulic cams are ground with a 110 lobe separation.
The High Energy 268-4 is listed here on page 11 as lobe number 5212:
https://www.compcams.com/lobe-catalog
.
__________________
'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE