BACK progressive springs are notably progressive, but under more compression change traits to be much more linear. This provides exceptional feedback through the car in several track conditions. Marked with 3 dots for easy recognition. Group of 2.
Available as a pair, the springs are independently calculated, handled, examined, and matched to produce identical damping faculties. Through the entire selection process, each springtime is compressed in a number of fine increments and the values recorded, and each springtime is matched with another springtime of identical traits. XRAY goes the surplus mile to ensure perfect spring fits, offering your automobile the predictability and persistence that you need to assist you to lead the pack.