Reproduction 6 Pc. Set of Leaf Spring 2-1/2″ x 3-1/2″ Plastic Interliner Pads for most 57-89 Passenger Cars. Some early Vehicles Originally used a Leather Type Interliner-these will replace those. Also some 57-62 Fullsize and 62 B-Bodys used a 2-1/2″ x 2-1/2″ Interliner on the Front Section of the Leaf Springs, that these apparently do not replace. Replaces OEM Part #’s 1616921, 2123785, 2539086, 1948396 and 3638666 which Chrysler had Supersceded to each other over the Years.