68 Ser 20 4 D D D w 133 B 3935873 16 80 tw0 stage yellow 1900 lbs Note 2 2 68 69 Ser 20 w HD 2nd design exc leaf springs 3935874 21 30 two stage 2905 lbs yellow Npte 2 2 NOTE 1 Springs may be identified by the c0l0r 0f paint noted in the description 0r by apiece 0f tape attached t0 the spring listing the part number NOTE 2 Part number taped 0n spring 1969 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPOR TlON 7 503 7 503 P 7 62 REV 71 9