no weight saving,if anything prob slight heavier due to more metal!
theres alot of work involved with the hoop(diff carrier)aswell.
i saw the jigs used to fabricate these up to and theres a few man hrs there...
there doulbled skinned with seam welds to almost factory finish.
when a std beam is sat next to one there is alot of difference,the inner arms are at a complete different angle(more of a straight angle to its mounting point,wheres the std arms curve up to the mounting point,therefore completly changing the pivot point!
all good stuff