F R A M E S P R II III G 155 B IJ IM F E R 7 447 TEE ASSY FITTING ASSY NlF IPl IEE Air Suspension Level Control Con t 70 72 Corvette P B w Sp H Per 350 454 exc A T 3973474 1 1 2 EI FIITTING ASSY vacuum inlet manifold 70 72 Corvette w A T 454 ext P l3 3986115 1 90 FITTING ASSY vacuum inlet manifold 70 71 Corvette PB w A T I5 I 3986116 1 2 CI FITTING ASSY vacuum inlet manifold 7 495 LINER Spiririill Leaf 63 74 Corvette 3794113A R 5I rear Note 1 O TE 7 Cut as required 7 503 SPRING AIEii1S Y Rear LEAF TYPIEI 57 59 Corvette w HD Brake Simp 3748143 2 f55 IEEEi Ei leaves r 63 7 2 Corvette exc H D Susp IES pec Per Susp r 3977579 1 553 85 EI leaves 63 7 2 Corvette vv I LD Susp Spec Perf Susp 3977578 1 47 7 7 leaves r Fp ew the three steps bei i w to uti ize the 7973 spring charts 7 Se ect the model desired with the base spring weight 0n Z h 2irt A 2 Then se ect oprions ec 0rdir1g y shown on Chart B end zauziizni that weight to the base spring weight 3 Once accumulated we vg ht has been determined refer to 4 wrt and se ect correct spring CHAFIT A 1973 COIR i E l TIEE Wu mn iiXoT I i i IETEiiF REAR wm YZ437 Coupe IOJIEI 5 734 0 YZ 67 Conv i1391EE 0 742 0 CHART 1 973 CCI RV EI I II IIE RPO OPTIONS 1 R l NT REAR A 31 Power Windows 2 0 1 5 C 07 Auxiliary Top 4 0 23 0 C 650 Air Conditioning I 38 0 9 5 L S4 454 I 941 0 11 5 I 82 350 Sp H Per 1EI 0 3 0 M 40 I l I 400 111 5 8 5 N 40 Power Steering I IZEI 5 0 5 Radio Radio I 5 5 3 5 m j CHAFIT 1 973 CIZZIRV EETTIEE SUSP CODE SIPRUNG PART Zi ODE SPRUNG PART INEIGHT NLINIBER WEIGHT NUMBER MA 0 768 331315 EA All 3977579 Std NID 769 806 331317 ME 1507 844 331318 MG Over 844 331319 4 T HD EA All 38322518 I EB All 3977578 Susp I 1 t 3 1974 Gl I PARTS DI IESiC I l GENERAL IVIOTDREEL C1 I I11I R TION CHEVROLET P A 3013 REV 9 74 7 5 7 447 7 503