the stock rear toe block is 600155 and that will give you between 2deg. up to 4deg. of toe in, and there is an option low roll center to that, and that number is 600267. And for the anti squat plate, that is the one in the front of the rear diffcase. The stock piece is number 600156, that one will give you between 0deg. and 2deg of anti squat. The other option to that one is number 600265, and that one will give you from 2.5 to 4deg of anti squat. There are downloadable sheets of this on serpents site