4 SPEED TRANSMISSION I1972 SPEEDO CHARTS A J I For 1972 Speedogear application refer to chart Locate rear axle ratlo and corresponding tire size Refer to code chart with I proper code letter for part number of driven gear adapter sleeve or key where applicable I I I 4 SPD EXC BRAKE A I I e nmvsu can I Q suszve Assv Aonrens Icons A Anans I I I A 3866798 18T 326661 I F 3925671 L 3925669 I B 3866799 19T 326561 G 3925673 M 3950352 C 3866917 20T I 326561 H 3950348 N 3950354 I D 3866918 I 21T 326561 J 3950350 I I E A 3866919 22T i 326561 K 3905497 A 3 07 I 3 40 3 54 I 3 73 I 4 10 A TIRE SIZE DRIVE DRIVE DRIVE DRIVE DRIVE GEAR GEAR GEAR GEAR GEAR A 3866742 3666742 3666742 3366742 3366742 n I I I I I Driven Adapt A Driven Adapt Driven Adapt Driven Adapt V Driven Adapt I 1 G78 15 B H I D H A N B N D A A 4 8 00 16 5 C A J B G A I B C N I E78 15 C H I A B A C E L78 15 A H C H D H A A C I F78 14I C H A N B C E 8 75 16 5 A H C H I A F A CI A 678 16 O R B H A A B D 1 A 8 16 5 0 R CI J I I A F A B i A D I I G78 14 A A G A B C E I L78 150 R A H C H D H A C F78 14 O R D J A I B C E g 8 75 16 O R A H C SH A F I A C A 6 50 16P I C J E J D HI A I N C 6 50 16P O R B J D J C H A B I I A 6 50 16T B IJ A G B A G I A C I 6 50 16TO R B J A G r B G IA C H78 15 C J A A F A B I D I H78 150 R B H A A A 4 6 D 7 00 15 B JI A G B G A CI A 1 7 00 15 0 R A H A G B G A C 7 m 16 B J B H C H D H B 1 7 00 16 0 R B J B H C H A B 7 50 16 I A J C J B H C H A N 7 50 16 0 R A J C J I B H C H A I 7 00 14 C H A I B C EI 7 00 14 O R C H A B C E I 8 00 19 5 K A A H B H A F I 8 00 19 5 O R A B J A I H B H A F 9 50 16 5 B J B H IC H D H B 9 5 16 5 O R B J B H C H A E I 10 0 16 5 B J A G E I I J A N I 10 16 5 O R I B A G E J A C 7 m 18 A H B H A F IE78 14 I E J B B N C I N E N I I I l I A GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL I REV 5 79 I 4 87 4 337 4 337