The camber kit can straighten the wheels by dialing out the negative camber, something you can't do with the stock suspension. They are also great for race days where changing from street tires to drag or race tires where the camber need to be adjusted on the spot.
You can manual dial the wheel in by adjusting the rod in or out. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Steering & Suspension\Camber & Caster Parts". The seller is "snooozie" and is located in this country: US. This item can be shipped worldwide.