The 6529 Car Ball Joint Master Service Kit is the first of it's kind on the market. Stop searching for make-shift solutions for those car applications - everything required is laid out in this complete 50+ piece set. The 6539 Truck/Van/SUV Ball Joint Master Service Kit is the most comprehensive and complete kit available on the market. The comprehensive manuals in each kit include diagrams with instructions - eliminating guesswork of which adapters are required. New kits with manuals cover vehicles through 2008.