250 350 375 400 TURBO HYDRAMATIC 2 73 Ratio 3 08 Ratio Ratio Tire Drive Gear Drive Gear Gear Size 8624738 8624738 8624738 Driven Adapter Sleeve Driven Adapter Sleeve Driven Adapter Sleeve 678 15 A M D L G K M H78 15 B M E L H L L78 15 C M F M I L HR78 15 B M E L H L LR78 l5 C M J L I L 1975 PASS W TH 350 Code Driven Gear Teeth Color Code Adapter Code Sleeve Assy A 3987919 19 Natural E 3950354 H 1362293 B 3987920 20 Blue F 3950352 I 1362294 C 3987921 21 Red G D 3987922 22 Silver 2 73 Ratio 3 08 Ratio 3 42 Ratio Tire Drive Gear Drive Gear Drive Gear Size 6261782 6261782 6261785 Driven Adapter Sleeve Driven Adapter Sleeve Driven Adapter Sleeve G78 15 C H A F I C F I H78 15 B H D E I C F I L78 15 D H B F I HR78 15 B H D E I C F I LR78 15 D H B F I 1975 NOVA W TH 250 350 Code Driven Gear Teeth Color Code Adapter Code Sleeve Assy A 3987920 20 Blue 3932220 E 345215 B 3987922 22 Silver C 3987918 18 Brown 2 73 Ratio 3 8 Ratio Drive Gear Drive Gear Tire Size 6261782 6261785 Driven Adapter Sleeve Driven Adapter Sleeve E78 14 B E B E E70 l 4 B E B E 3 08 Ratio 3 42 Ratio Drive Gear Drive Gear Tire Size 6261 785 6261785 Driven Adapter Sleeve Driven Adapter Sleeve E78 14 C D E A D E E70 14 C D E A D E 1975 Chevelle w 250 350 exc Monte Carlo Code Driven Gear Teeth Color Code Adapter Code Sleeve Asm A 3987921 21 Red G 3950354 K 345215 B 3987920 20 Blue H 3950352 C 3987922 22 Silver I 3932220 D 3987919 19 Natural J 6273218 E 9775187 45 Lt Blue F 1362196 43 Purple GM PARTS DIVISION GENERAL MOTORS CORPORAT ON CHEVROLET 11 i i 4 000 GROUP 4 46 c REV 4 81