250 350 375 400 TURBO HYDRAMATIC 1974 NOVA w TH 250 350 Code Driven Gear Teeth Color Code Adapter Code Sleeve Assy A 13987920 20 Blue 3932220 E 345215 B 13987922 22 Silver C J 3987918 18 Brown 2 73 Ratio 3 08 Ratio Drive Gear Drive Gear Tire Size 6261785 6261782 Driven Adapt Sleeve Driven Adapt Sleeve E78 14 B E B E E70 I4 B E B E 3 08 Ratio 3 42 Ratio Drive Gear Drive Gear Tire Size 6261785 6261785 Driven Adapt Sleeve Driven Adapt Sleeve E78 14 C D E A D E E70 14 C D E A D E purp e 10 tooth green 9 tooth 1974 Camaro w TH 250 350 Code IDriven Gear Teeth Color Code Driven Gear Teeth Color A 3927922 22 Silver 3997919 19 Natural B 3987921 21 Red 3987918 18 Brown C 3987922 20 Blue Code Adapter Code Sleeve F 326569 I 345215 G 330192 J 345215 H 332537 2 73 Ratio 3 08 Ratio Drive Gear Drive Gear Tire Size 6261785 6261782 Driven Adapt Sleeve Driven Adapt Sleeve E78 14 A I A I F70 14 B F J FR78 14 A I A I 3 08 Ratio 3 42 Ratio Drive Gear Drive Gear Tire Size 6261785 6261785 Driven Adapt Sleeve Driven Adapt Sleeve E78 14 E G J C G J F70 14 E G J A H J FR78 14 E G J C G J purple I 0 tooth green 9 tooth GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET I1 REV 4 81 4 43 c 4 000 GROUP