Home > Ford - T-Bird Shocks, Springs > THUNDERBIRD, T-BIRD, REAR, SPRING ASSISTED, SHOCKS, coil over shocks, load leveler shocks, booster shocks, load carrying shocks, 1955 - 1979  >  PL1115 - THUNDERBIRD, T-BIRD, REAR SPRING ASSIST SHOCKS. 850 lbs of boost per set. 1964 - 1966, Replaces OEM #B18125C. 1 pair - LIFETIME WARRANTY