Those guys over at DYNATRAC are sneaky!  Check out the new optional DYNATRAC heavy duty ball joint upgrade for the front PROROCK 60. It's listed under optional equipment-front. 
http://www.dynatrac.com/products/jk/ProRock60.html
	
		
			
		
		
	
				
			http://www.dynatrac.com/products/jk/ProRock60.html