Hey guys, first post here. So I bought struts off of rockauto and when I began to start the job I realized that all of the sway bar end links were incredibly rusted on. So now the game plan is to replace those as well. But when I look for them on rockauto they tell me there is multiple sizes. I am not sure how to find out what size I need or how much it matters. I have a 2002 Mazda Protege5. How should I measure the old ones if thats what I need to do? Just the bar? Or from centre to centre? Sorry to be a bother. Was hoping to order the parts tonight. Thanks for your help!