What type (material) of bushings come with this kit and what degree are the C bushings?

• Do you have to extend the front & rear drivelines if you have the stock 3-spd transmission? availability
• Can I substitute a track bar riser instead? I plan on converting to tie rod over steering when I install the lift. install
• have a 68 bronco looking at a 3.5 lift will i need longer drive lines with the a 4 speed transmission some say i do some general