They are- if you get them bare and unfinished. Mine will be fully assembled-machined- with all the bells and whistles.

 

the clifford guys still claim they are winning by several lengths at the drag strip when they race classic inlines.

i've been checking out that new oz head though, they've got a lot of stuff on the website that makes it seem a lot better than the log, besides the weight of course.

in general is there many advantages to having an aluminum head over top of weight? is there any reason cast would be better?