Designed to be used with Porsche GT3 style 2-piece adjustable control arms, Rebel RSR control arms, and some other after market arms.  Replacing the factory rubber with this precision bearing ensures smooth suspension articulation with absolute minimal deflection.  The monoball resists change in camber and caster angles keeping optimal tire to tarmac contact patch.  Easily serviceable spherical bearing.  Available for cup and RSR control arms as well.
 
CNC machined from billet 6061 USA aluminum
Precision light press fit between bearing and housing bore
High quality oversize FK spherical bearing with teflon liner for extended service life
Stainless steel misalignment spacers
ARP studs, washers, and 12-point nuts for easy/proper tightening