FRAMES SPRINGS BUMPERS CHART C Sprint exc H D Susp 454 CODE SPRUNG WEIGH PART NUMBER CODE SPRUNG WEIGH PART NUMBER G0 GI AZ GI 0 914 3952811 BR BW All 3952831 GO AK 915 990 3952813 AP AL 991 Over 3983304 Sprint 454 exc H D Susp CODE SPRUNG WEIGH PART NUMBER CODE SPRUNG WEIGH PART NUMBER GW GX 0 972 3952818 All 3952831 GY GZ 973 1036 3952820 AP AA 1037 Over 3983304 Sprint w H D Susp exc 454 CODE SPRUNG WEIGH PART NUMBER CODE SPRUNG WEIGH PART NUMBER GT GU 0 846 3952815 AII 3952831 GW GV GX 847 950 3952818 GY GZ 951 1015 3952820 AP AA 1016 Over 3983304 Sprint w H D Susp 454 CODE SPRUNG WEIGH PART NUMBER CODE SPRUNG WEIGH PART NUMBER GB AB 0 980 3960665 BX OZ All 3952834 AC AD 981 Over 3952824 Fo low the three steps be 0w t0 utilize the spring charts 1 Select the model desired with the base spring weight on Chart A 2 Then select options according y shown on Chart B and add that weight to the base spring weight 3 When accumulated weight has been determined refer to Chart C and select correct spring 1973 SPRINT CHART A MODEL T 5AC 80 Sprint exc Custom 911 0 A 668 5 5AD 80 Sprint Custom 962 0 672 5 GM PARTS DIVISION GENERAL MOTORS CORPORATION SPRINT 57 7 503 7 503 7 4 REV 4 81