Originally Posted By fast68plymouth
The reason I mention the ex side is, the ones I've worked on had "Bulldog Performance" cnc'd into the outer edge of the head bolt boss.

These are really pretty similar to the TF heads, but the TF heads executed it better.
they must be! Switched from a set of Bradshaw himself prepped Bulldogs to a set of 240 tf's, didn't gain a thing but spending 2000.00 dollars.