FRAME SPRINGS BUMPER 1975 PASSENGER F0 ow the three steps below to utihke the 1975 spring charts 7 Se ect the model desired with the base spr ng weight on Chart A 2 Then se ect options accordingly shown an Uhert B and add that weight to the base spring weight 1 When eccumulated weight has been determined refer ta Chart C and se ect correct spring CHART A I I ns svauue wsioirr I M I F IBK35 Bel Air 4 Dr Sta Wag l 2 Seat 1027 1056 IBK45 Bel Air 4 Dr Sta Wag 3 Seat 1026 5 1095 IBKGQ Eel Air 4 Dr Sed 1010 813 lBL35 Impala 4 Dr Sta Wag 2 Seat 1040 5 1079 5 f IBL39 Impala 4 Dr Sport Sed 1032 834 IBL45 Impala 4 Dr Sta Wag 3 Seat 1037 5 1107 IBL47 Impala 2 Dr Custom Cpe 1026 802 5 IBL57 Impala 2 Dr Sport Cpe 1022 815 IBL69 Impala 4 Dr Sed 1021 821 5 IBN35 Caprice 4 Dr ISta Wag 2 Seat 1055 1085 lBN39 Caprioe 4 Dr Sport Sed 1057 5 854 IBN45 Caprice 4 Dr Sta Wag e 3 Seat 1055 1 121 IBN47 Caprice 2 Dr Sport Cpe 1049 820 IBN67 Caprice Convertible 1065 5 837 lBN69 Caprice 4 Dr Sad 1045 841 CHART B 0 W S AG7 Power Driver Seat 5 0 4 5 ATB Frm Seat 50 50 Bench 8 5 7 5 AU3 Electric Door Lock 2 Dr 2 0 1 5 Electric Door Lock 4 Dr 4 0 2 0 V A31 Power Window 2 Dr 6 0 5 0 Power Window 4 Dr 5 0 4 5 A42 Power Seats exc Bk 5 5 4 5 C60 Air Conditioning 454 46 0 3 0 Air Conditioning 350 400 42 5 3 0 CS1 uto Temp Air Conditlonin 2 5 0 K30 Cruise Control 3 0 0 LM1 350 4 BC Engine 2 0 1 0 LS4 454 4 BC Engine 93 5 28 5 LT4 400 4 BC Engine 8 0 1 0 M40 Hvdramatlo Transmission 8 5 4 0 UM1 Radio Tape Player 7 5 2 5 U58 AM FM Radio 5 0 1 5 VE5 Bumper Bar Pad 4 0 2 0 V01 H D Radiator 4 5 0 V30 Bumper Guard 4 0 2 0 I e GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 7 503 1 503 we REV 4 77