Front and rear sway bar kit for use with QA1 Suspension for 63-72 C10 trucks. QA1 offers front and rear sway bars to add a new level of stability to C10 trucks. They are precision CNC formed for proper fitment and bolt-on installation and are manufactured from lightweight hollow (4130) chromoly steel for maximum strength and durability. Front sway bars fit 1963-1987 C10 trucks. Rear sway bars are designed to work only with QA1?s 1963-1972 C10 Rear Suspension System.