1963-82 Corvette. Bring 21st century suspension technology to your C3 Corvette today! The VBP Front Transverse Composite Monospring Kit offers trueindependently adjustable ride height and spring rate! This system can be adjusted for the street or the track in minutes. Each wheel has four spring rates that are set independently by simply moving one steel pin. Raise or lower front wheel ride height by up to 2.25″ with the 8″ aircraft grade spring end bolts and nylock nuts. Easily raise one side and lower the other for circle track or alter spring rates depending on left or right hand turns. Ideal for autocross, circle track and street driving! All VBP Composite Monosprings and Spring Systems are manufactured in our American factory and have a five year limited warranty.