FRAME SPRINGS BUMPER 7 506 BOLT Spring Center Front and Rear Con t 67 72 Ser 40 thru 60 front 63 66 Ser 50 thru 80 3827946 2 rear z 20 x 3 W Note 1 63 66 Ser 80 67 68 Ser 60 w 11 000 Ib axle 1 1 000 Ib frt spring 68 70 Ser 60 Tilt TDM w 1 1 000 lb 14 000 Ib rear spring 69 70 Ser 60 w 11 000 lb axle 71 72 Ser 60 Conv TDM 11 000 A lb frt axle w 9 000 1 1 000 14 000 lb frt springs 3902676 2 front 2 x 5 J 70 Ser 60 Tilt w 10 500 lb frt I spring 71 72 Tilt w 9 12 000 lb frt axle 8 I cyl 2416109 2 rear 7 513 CLIP BOLT SPACER STUD Spring Rebound Front and Rear Bolt Type exception shown 55 59 Ser 4 5 63 66 Ser 50 60 w 17 500 Ib I V spring 67 70 Ser 40 50 w 17 500 lb spring exc D D 3728623 2 rear No 6 leaf 2 x 3 u inside dim 56 57 Ser 7 8 9 10 exc TDM 60 62 Ser 40 3943492 4 front short No 3 leaf 2 x 2 inside dim 60 64 Ser 50 thru 80 exc TDM rear No 5 leaf 4 63 66 Ser 60 80 w H D frt spring n 67 70 Ser 50 60 w 9 000 lb frt spring exc Tilt i 67 68 Ser 50 60 w 20 800 23 000 lb rear spring 69 Ser 50 60 w 23 000 Ib rr s spring 3765463 4 front 3 i x 3 ins dim 60 63 TDM I 64 Ser 60 TDM 65 66 TDM exc 4 cyc Diesel I 67 69 TDM 3773291 4 rear short 1 x 3 ia inside dim 60 62 TDM exc H D spring 63 65 Ser 80 TDM 66 Ser 60 TDM Diesel 67 69 Ser 60 TDM exc 39 000 rr spring H D Sgl Spd axle 68 69 Ser 50 TDM w 34 500 Ib rr spring 3773297 4 rear long 5 az x 4 i inside dim 63 66 Ser 50 67 68 Ser 40 3745869 2 rear 2 x 2 Sz inside dim 63 66 Ser 50 60 exc Tilt SBC A w 261 z W B 67 70 Ser 40 50 exc 7 000 8 OOO Ib frt spring 253 W B TDM 69 Ser 40 w H D D D 3822269 2 front 2 u x 2 inside dim 63 65 Ser 80 w H D Springs 66 Ser 80 w 11 000 Ib axle 67 70 Ser 60 w 1 1 000 lb rr spring 69 Ser 60 w 11 000 Ib axle exc Tilt 14 000 Ib frt spring 3822273 2 front 3 u x 3 M inside dim 62 Ser 80 w H D Equip 65 Ser 80 TDM 4 cyc Diesel 1150380 8 BOLT spring clip 65 Ser 80 TDM 4 cyc Diesel w H D Springs 1150402 8 SPACER spring clip 60 65 TDM 2325967 8 STUD cap to rear axle saddle W 14 A 14 X 45 is GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 7 37 7 506 7 513