Ductile iron construction with 4140 chromoly CNC-machined spindle pins. Zero offset kit with factory backspacing. Kit Includes May not work with factory drum brake wheels . 12" p lain rotors. (Part# 6370SWBK-6OE-S).
Received this today, installation was easy, spindles are very heavy duty, looks like a quality product. No instructions included but it was pretty clear cut.