Leaf springs 2009 tacoma

I have a 2009 toyota tacoma (crew cab) i think it's got the back doors that open backwards so my truck has a recall and I've had too many problems with them trying to fix it so I just want to do it myself.... I was wondering if someone knew the size of leaf spring I need and like what kind I need ex (3/2/1) 52 inches long.... I'm not sure what my truck has and I'm not too familiar with leaf spring..... or if someone knows of a lift kit that replaces the leaf springsvintage back under 1000 dollars that would be cool...... right now my back left leaf only has one leaf left l....