Funny thing about Skycrapper... ever notice that their silly 'double flex' arms are identical to the ones the Rubicon Express STOPPED making years ago?
The reason is b/c 2 heims on the same arm cannot handle the stresses of daily driving. The bushing wears and the heims get loose.
The recirc ball that currie and RE use now are a much better, better wearing design.
Not to slight heims... they work wonderful in trail rigs, but fail on daily drivers.
FYI
Tightey Whitey World