to the spring listing the part number BAR Front Suspension Torsion PART NUMBER OR A LAST THREE DIGITS LAST THREE DIGITS B OF PART NUMBER OF PART NUMBER SHOWN ON END SHOWN ON END TRX un COLOR BANDS PER COLUMN 1 ARE I z WIDE I BAND R H HEX TYPE SPLINEI TYPE 2 BANDS L H CAUTION Due to numerous production changes extreme care should be exercised when ordering replacement Torsion Bars to insure installation of Bars of comparable capacity on both the right and left sides The following chart has been compiled to aid in the identification of Bars for replacement and conversion Pl lfposes wi Year Model Capacity A B Paint Shape Position Part No 60 62 Ser 30 H D 1 750 45 1 Yellow Hex L H 3766853 60 62 Ser 30 H D 1 750 lb 45 1 Yellow Hex R H 3766854 60 62 Ser 10 60 62 Ser 20 exc H D 3766851 L H 20 60 2 V red bands 1250 lbs 60 62 Ser 10 60 62 Ser 20 exc H D 3766852 R H 20 60 1 Vz red band 1250 lbs 60 62 Ser 20 w H D 61 62 Ser 10 D D w H D 3753877 L H 23 45 2 V green bands 1500 lbs 60 62 Ser 20 w H D 61 62 Ser 10 D D w H D 3753878 R H 23 45 1 V2 green band 1500 lbs 60 62 Ser 30 exc H D 3763501 L H 21 05 1 V2 green band 1500 lbs 60 62 Ser 30 exc H D 3763502 R H 21 05 2 V blue bands 1500 lb 7 413 BUSHING Front Spring Eye 38 40 Comm 41 55 V2 Ton lst Ser exc D D 600163 2 1 00 7 504 38 40 All w leaf spring 41 55 V2 V Ton lst Ser exc D D 379647 2 95 front eye 7 504 41 55 D D 1 Ton lst Ser 55 59 Ser 3 2nd Ser 60 65 D D exc 102 W B 63 66 Ser 30 D D w H D Spring 67 Ser 20 30 D D 3717034 2 1 00 front eye 60 65 4 WD 2386315 2 1 65 Vi I D x V O D x 2 V 2 60 66 4 WD 2385993 4 90 ZV 0 L 64 66 G 10 3834082 L H 1 45 front eye 1V O D 65 66 G 10 w heavy frt spring 65 G 10 3888082 R H 1 70 67 69 Ser 10 20 4 WD front wd 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 1tt 7 412 7 413 7 24 REV 6 71