Originally Posted by
Just2much19
Probably just durability, also with the aluminum ones that have the set screw in it you can do the hinge pin mod and remove the front pin holder. The mod gives you a little more clearance/approach angle on the front. I haven't done it, don't have a need for it. I purchased the brass one that has both the 25*and 30* inserts.
Use the aluminum bulkhead on my B4 and bought one for my B5M before i built it. Yesterday I had a couple instances where I was certain the front end was broken after coming up short on a triple, but it was fine. This buggy can take a beating.