SPEEDOMETER GEAR CHARTS BZO4 A 1977 SPEEDO GEAR USAGE CHART A CAR TRANS SPEEDO DRIVEN GEAR ADAPTER AXLE MODEL TIRE PART IDENT SLEEVE PART RATIO CODE SIZE NO COLOR ASM NO RATIO I M38 LM HR78 15 9775187 45 LT BLUE A B M4 OC I M38 KA FR78 15 9775187 45 LT BLUE I LE KH 78 14 9775187 1 LT BLUE V I I40 BB 870 15 9780470 151 DK 8Av 8 OB GR78 15 9780470 ji DK GRAY 3 08 HR78 15 1362196 43 PURPLE GU4 M38 FR78 15 1362196 43 PURPLE KE KW G78 14 1362049 42 GREEN GR70 15 1362049 42 GREEN GR78 15 1362049 42 GREEN HR78 15 1362195 41 YELLOW I IVI15 ZH FR78 15 3987919 19 NATURAL G78 14 3987919 19 NATURAL GR78 15 3987919 I 19 NATURAL C I GR70 15 3987919 19 NATURAL NI38 KA HR78 15 9775187 45 LT BLUE LE KH IVI40 BB B OB NI38 KE FR78 15 9775187 45 LT BLUE 323 KW 78 14 9775187 KK LT BLUE 4 GU5 GR70 15 9780470 44 DK GRAY B 878 15 9780470 ji DK GRAY HR78 15 1362196 43 PURPLE NI15 ZH FR78 15 3987920 20 BLUE GR78 14 3987920 20 BLUE CR78 15 3987920 20 BLUE C GR70 15 3987920 20 BLUE M15 ZH TRANS USES 8 TOOTH WORM GEAR 6261794 NA TURAL M38 M TRANS USES 20 TOOTH WORM GEAR 8640446 NA TURAL M38 KA KH LE TRANS USES 19 TOOTH WORM GEAR 8640188 YELLOW M38 KE KW TRANS USES 18 TOOTH WORM GEAR 8640444 BLUE M40 BB OB TRANS USES 19 TOOTH WORM GEAR 8624739 WH TE M40 OC TRANS USES 20 TOOTH WORM GEAR 8624740 GREEN A M38 USES 1247266 1362284 OPTIONAL M40 USES 1244108 1362294 OPTIONAL I B M38 USES 1247265 1362285 OPTIONAL M40 USES 1244106 1362293 OPT ONAL WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICK 41 4 000 GROUP 4 2 c REV 5 81