W B 3974321 1 853 30 67 70 Ser 50 60 Conv w 179 W B 3974323 I 853 30 67 70 Ser 50 SBC w 189 W B 3974343 1 424 00 67 70 Ser 50 60 Conv w 203 W B 3974325 1 1017 60 67 70 Ser 50 SBC w 217 W B 3974347 1 503 50 67 70 Ser 50 60 Conv w 217 9 W B 3974327 1 1017 60 67 70 Ser 50 SBC w 235 W B 3974349 1 535 30 67 70 Ser 50 SBC w 253 W B 3974351 1 567 10 68 70 Ser 40 thru 60 w 137 W B 3958689 1 548 65 69 70 Ser 40 thru 60 w 125 W B 3958687 1 512 50 70 Tilt w 133 W B 673239 1 615 20 70 Tilt w I45 W B 673240 1 625 40 70 Tilt w 175 W B 673241 I 637 80 NOTE 3 When using on 1963 vehicles use steering idler lever 3834585 w 9 000 or 11 000 lb axle equip or 3834581 steering idler lever 7 000 Ib axle also when using on 1963 65 vehicles it will be necessary to add 3834583 steering idler lever bracket NOTE 4 When used for past models it may be necessary to cut off 5 inches off rear end of frame 7 006 MEMBER RElNFORCEMENT Frame Side 1963 1966 FRAME SIDE MEMBERS Wh Base 97 133 145 1 157 163 175 193 197 j 2251 2 2611 2 Inches LH RH LH RH LH LH RH LH RH LH RH LH LH RH RH RH 63 66 Conv D D ssc DL 0M DN 00 DP 00 DR 0J 0u 0c 63 64711146xe u 20 0 gg DZ EA EB E0 GM F0 C 63 66 rn lu 80J c 63 64LDFIexc Diesell DL 0M DN 00 cs DR 0s DU 63 63 LcF Imeselm CN co CP 00 63 66 Tandem CG CH DD DE DF 65 6 m CY 0x 0v DZ EA as ac FR FJ I 6 i1i i 0aeseI DL 0M DN 00 cv DR 0s DU 1967 1968 FRAME SIDE MEMBERS Wh Bm 97 E 125 133 137 143 u 157 163 167 173 175 179 217 9 2171 2 2531 2 Inches LH RH LH RH LH RH LH RH LH RH LH RH LH RH LH LH RH LH RH LH RH LH RH LH RH LH RH LH RH LH i H RH LH RH LH LH RH HU HV HW HX HY HZ DP JA JB Jc J0 DR 0s JE IF 4JG JH JJ JL JM gi E Eiiirgielcnulieselm cc GD GE GF cc GH ci 0J KB KC GK G JN JO JP JQ JR JT Ju 3323 l EJL I FF F K F N JW JX JY F JZ KA 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 7 003 7 006 7 2 REV 6 71