I haven’t had any problems with the 5150 cores.
That’s what most of the BB Mopar cores are these days.
They simply don’t always have 8620 cores that are suitable for every combination.
And if they do, they’re usually more $$$.

Unless Marks cam looks way worse in person than in the pics...... I still say it looks pretty normal to me.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads