FRAME SPRINGS SHOCKS BUMPERS CHART C FRONT SPRINGS GROUP 7 412 SPRUNG PART MODELS WEIGHT NO H140 w BR78 13 tires 0 620 354136 621 690 346952 691 Over 346954 H140 w A78 13 or A70 13 tires 0 640 354136 641 710 346952 711 Over 346954 H262 w BR78 13 tires 0 775 346959 776 Over 354147 H262 w A70 13 tires 0 785 346959 786 Over 354147 REAR SPRINGS GROUP 7 503 SPRUNG PART MODELS WEIGHT NO H140 w BR78 13 tires 0 485 3988081 486 535 3988082 536 Over 336877 H140 w A78 13 0r A70 13 tires 0 510 3988081 511 560 3988082 561 Over 336877 H262 w BR78 13 tires 0 510 3988081 511 560 3988082 561 Over 336877 H262 w A70 13 tires 0 550 3988081 551 600 3988082 601 Over 336877 H122 w BR70 13 tires 0 Over 344539 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 REV 4 81 7 89 c 7 000 GROUP