64 66 Ser 50 thru 80 w 169 175 193 225Vz 243 26 IV W B 64 69 TDM A 64 69 Ser 60 Cab w H D frame 175 197 W B exc Diesel Tilt TDM 65 67 Ser 60 w 175 197 W B exc Tilt TDM LCF Diesel 66 69 Ser 50 w 175 W B exc Tilt TDM LCF Diesel 66 69 Ser 50 Tilt 70 Ser 40 Conv SBC 70 Ser 40 D D w 125 W B 70 Ser 50 SBC w 217 235 253 W B 70 Ser 50 60 TDM third 63 69 Ser 60 SBC 63 Ser 60 w 197 W B exc SBC 63 Ser 80 w 197 W B exc LCF Tilt TDM 63 Ser 80 TDM w 193 W B 64 69 Ser 60 w 193 197 W B 64 65 Ser 80 w 181 193 197 W B 65 69 Ser 60 4 cyc Diesel w H D frame exc Tilt TDM LCF 66 67 Ser 60 TDM 4 cyc Diesel 66 69 Ser 50 60 Tilt 4 cyc Diesel 70 Ser 50 60 exc Tilt fourth 63 69 Ser 60 SBC w 243 261Vz W B exc Diesel 70 Ser 50 SBC fifth 63 66 Ser 80 TDM w 175 193 W B 66 Ser 60 Tilt w 145 163 175 W B 3823574 1 9 40 prop shaft support 65 Ser 80 4 cyc Diesel exc Tilt TDM 2439522 1 35 40 second crossmember 65 Ser 80 TDM 4 cyc Diesel rear and third 65 Ser 80 TDM 4 cyc Diesel w 157 175 W B 2415164 1 75 20 fourth 65 Ser 80 TDM 4 cyc Diesel w 157 175 W B fourth 65 Ser 80 TDM 4 cyc Diesel w 193 W B 2434382 1 77 40 fifth 65 66 Ser 60 Tilt 4 cyc Diesel 67 68 Ser 50 60 Tilt 4 cyc Diesel 2468761 1 22 75 rear support crossmember 65 66 Ser 50 thru 80 4 cyc Diesel exc Tilt TDM 2468795 1 22 75 third crossmember 65 Ser 80 TDM 4 cyc Diesel w aux 3 Spd trans 2443614 1 77 40 secoind 65 68 Ser 50 thru 80 Tilt 4 cyc Diesel 2490439 1 61 25 front support crossmember 66 Ser 50 60 4 cyc Diesel exc Tilt TDM 2489261 1 37 70 frame cross 2nd 67 70 Ser 60 TDM 3897839 1 31 05 second 7 014 MEMBER Frame Cross Rear 55 59 Ser 4 5 6 60 62 Ser 40 3907848 1 6 75 56 70 TDM 3905078 1 13 25 32V 0 L x 8V wide 60 62 Ser 50 thru 80 exc TDM 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S REV 5 7 7 13 7 012 7 014