All those key ways .What happened to the single key way and the few keys that you would use .

I remember the crank used them also but that double the degrees .
Hope you found a good number ,
We always screw them in advance 99 to 102 on S.B cams.
Dr

2009 418" build dan smith built new 9.96 131.82 6.23 108 1.30 60 foot best to date 9/15/09 8in 727 430 dana 2860 lb 3040 lb w driver