SPICER AUXILIARY 4 SPEED TRANSMISSION i 1971 72 TRUCK SPEEDOMETIER GEAR CHART 4 337 4 343 4 330 REAR GEAR GEAR 4 329 KEY AXLE REAR TIRE SIZE SPEEDO SPEEDO ADAPTER SPEEDO RATIO DRIVEN DRIVE SPEEDO ADAPTER X AUXILIARY 4 SPEED SPICER 6000 SERIES s NOTE When ordering drive or driven gears order unit 3823436 5 83 7 50 X 20 7 50 X 20 0 R 8 2L5 x 20 0 R I 1565175 2087805 5 83 8 25 x 20 9 00 x 20 9 00 x 20 0 R 1565177 2087805 5 83 10 0 X 20 O R 1565178 2087805 5 83 11 00 X 20 1565179 2087805 5 83 9 5 X 16 5 0 R 1565170 2087805 7 17 8 25 X 20 9 00 X 20 V 9 00 x 20 O R 1565170 2087805 7 17 8 25 X 20 O R 1565215 2087805 7 17 10 00 x 20 1565172 2087805 7 17 10 0 X 20 O R 1569300 2087805 AUX SPICER 7000 DRIVEN GEAR 2242559 DRIVE GEAR 2242558 KEY 2087805 I REAR 4 329 AXLE REAR TIRE SIZE ADAPTER RATIO SPEEDO V 6 50 8 25 X 20 1565210 6 50 8 25 X 20 0 R 1565208 fr 6 50 9 00 X 20 9 00 X 20 i O R 1565212 6 50 10 00x20 11 00x 20 1565215 6 50 10 0 X 20 0 R 1565213 6 67 8 25 x 20 9 00 x 20 9 00 X 20 O R 1565210 6 67 8 25 x 20 O R 1565208 6 67 10 00 X 20 1565213 6 67 10 0 X 20 0 R 1565212 6 67 11 00X 20 1565215 6 71 8 25 x 20 9 00 x 20 9 00 X 20 0 R 1565210 6 71 8 25 X 20 0 R 1565208 6 71 10 00 X 20 10 0 x 20 0 R 1565212 6 71 11 00X20 1565215 7 17 8 25 x 20 9 00 x 20 0 R 1565206 7 17 8 25 X 20 0 R 1565204 7 17 9 00 x 20 10 0 x 20 O R 1565208 7 17 10 00x20 11 00x 20 1565210 I 4 345 BUSHING Speedometer Gear 71 72 All exc 427 287108 1 driven u I D x z O D 4 422 RING Transmission Countershaft Gear V 71 72 All 427 2380506 1 countershaft clutch gear Spicer 46 381 2 4 439 COVER GASKET Transmission Power Take Off 71 72 All 6273213A R 6 hoIes 2 dia 71 72 All 6273214 2 GASKET p t 0 cover K 4 500 BRACKET SUPPORT Power Divider or Auxiliary Transmission I 71 72 AII 427 688579 L H rear left 71 72 All 427 688580 R H rear right 71 72 All 427 2434374 2 BRACKET ASSY rear support t GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM2 1 REV 5 79 4 123 4 343 4 500 in I