need help

[mcordell71]

My question, I have a 71 nova. Dropped 3 in rear and 2 up front all detroit suspension speed 1 kit up front. I'm trying to post a pic haveing probs but front sits really high and stiff. My question is what are the measurements for a stock disc front spinldes. Reason I ask the guy who gave them with the car wasn't sure the yr or what they came from. All help be great thanks for yalls time