4 SPEED TRANSMISSION 1974 CHEVELLE CAMARO w Close Ratio 4 Spd 7 RIVEN SLEEVE CODE GEAR TEETH COLOR CODE ADAPTER CODE ASSY A 3987921 21 Red 3950352 E B 3987922 22 Silver F 345215 C 3987920 20 Blue M A 3 42 RATIO l 3 73 RATIO TIRE DRIVE GEAR DRIVE GEAR SIZE 3978758 3978758 Driven Adapt Sleeve Driven Adapt Sleeve G78 14 A F G70 14 A F F60 15 C D E 8 Tooth Natural Steel 1975 NOVA CHEVELLE CAMARO w 4 SPD Exc Close Ratio lD RIVEN I l SLEEVE CODE GEAR TEETH COLOR CODE ADAPTER CODE ASSY A 3987921 21 Red F 326569 H 345215 B 3987922 22 Silver G 3950352 I C 3987919 19 Natural D 3987920 20 Blue 3 5a mmo 3 42 nrmo 3 73 nxtio TIRE DRIVE GEAR DRIVE GEAR DRIVE GEAR SIZE 6261794 6261794 6261794 Driven Adapter Sleeve Driven Adapter Sleeve Driven Adapter Sleeve Chevelle G 78 14 A H G 78 14 A H Camaro E78 l4 ll F I B H E70 14 ll F l A F I FH78 14 C F I B H F60 15 B H D G I Nova E78 14 B H E70 14 B H 8 Tooth Natural GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 1 I REV 4 81 4 21 c 4 000 GROUP