PTFB leaf springs are US made from high quality steel and are a dirrect bolt in replacement fom stock, world class handling and stance.
Pre installed rubber front eye bushing provides proper articulation and comfort, PTFB does not use  overload leafs, those are for work trucks , PTFB builds performance suspension parts.
PTFB is the only company to provide leaf spring kits that include all the proper improvements required in a performance leaf springs.
 
Variable 175 average rate.
exclusive adjustable heavy duty shackles.
forward segmented for reduced spring wrap up.
anti friction pads for consistant opperation.
heavy duty non binding leaf pack clamps (not bands as used in mass production)