PO WERGLIDE TRANSMISSION 4 329 ADAPTER Speedometer NOTE For detailed application use speedometer gear charts 48 55 Ton 1st Ser exc FR 1580273 1 22 74 ratio 15 17 w 15 6 and 8 ply tires 57 58 Ton exc D D 1583876 1 22 74 7 00 x 17 6 8 ply tires 63 67 Ser 10 3 07 axle ratio 7 14 w 6 50 16 7 00 15 or 7 17 5 8 00 x 16 5 8 15 x 15 O R 6 ply tires 68 For application refer to chart in group 4 337 1563967 1 22 74 68 For application refer to chart in group 4 337 3925669 1 13 85 ADAPTER ASSY 68 For application refer to chart in group 4 337 3925671 1 13 50 ADAPTER ASSY 68 For application refer to chart in 4 337 group 6476735 1 21 72 ADAPTER ASSY 68 For application refer to chart in 4 337 group 6476736 1 23 71 ADAPTER ASSY 68 For application refer to chart in 4 337 group 6451928 1 28 87 ADAPTER ASSY 68 For application refer to chart in 4 337 group 1585657 1 22 74 ADAIPTER ASSY 68 For application refer to chart in 4 337 group 1565452 1 23 82 ADAlPTER ASSY 68 For application refer to chart in 4 337 group 1583624 1 19 95 ADAPTER ASSY 69 For application refer to chart in 4 337 group 39502348 1 14 60 ADAPTER ASSY 69 For application refer to chart in 4 337 group 3950350 1 14 60 ADAPTER ASSY 69 For application refer to chart in 4 337 group 3950352 1 14 60 ADAPTER ASSY 69 For application refer to chart in 4 337 group 3950354 1 14 60 ADAPTER ASSY 38 66 For models and comb V see Group 4 337 ADAPTER UNIT ratio 17 16 stamped 1563871 68 For application refer to chart in group 4 337 1565812A R 21 08 Note 1 38 66 For models and comb see Group 4 337 ADAPTER UNIT ratio 17 15 stamped 1563872 68 For application refer to chart in group 4 337 1565i813A R 21 08 Note 1 38 64 For models and comb see Group 4 337 ADAPTER UNIT ratio 16 17 stamped 1564409 68 For application refer to chart in group 4 337 156Ei814A R 22 74 Note 1 NOTE 1 Above adapters used as required in combination with speedometer gears to correct odometer reading for various tire sizes transmission and rear axle gear ratio combinations See group 4 337 68 For application refer to chart in 4 337 group 1584275 1 22 74 ADAPTER UNIT 68 For application refer to chart in 4 337 group 1584277 1 22 74 ADAPTER UNIT 69 For application refer to chart in 4 337 group 3925673 1 14 60 ADAPTER UNIT 4 330 KEY CUP Speedometer Adapter 38 70 All 8677209 1 90 also included w adapters 1565811 12 13 14 1580273 3876 38 70 All 860187 1 1 48 CUP drive V4 32 x 1 nickel bright 4 337 GEAR Transmission Speedometer Driven Gears only NOTE For detailed application use speedometer gear chart 59 62 V2 Ton w 3 38 4 11 axle exc H D 37018246 1 75 20 teeth nylon solid blue 55 62 V2 Ton w P G 3 90 axle 3845071 1 1 60 6 70 x 15 15 x 5 50 6 50 x 16 20 teeth steeI 60 62 Ser 10 w P G 3 90 axle exc H D 3845077 1 1 60 7 xx 17 5 19 teeth steeI 59 V2 Ton w Econ axle 3 38 3726645 1 85 6 00 x 16 6 50 x 16 7 x 17 5 7 00 x 15 15 x 6 19 teeth steeI 60 62 Ser 20 w P G exc D D 3756904 1 1 75 7 50 x 15 7 00 x 16 7 00 x 17 8 x 17 5 blue and yellow paint on shaft 12 teeth A 60 62 Ser 20 w P G 3756906 1 1 70 7 00 x 17 7 50 x 17 7 00 x 18 8 x 19 5 7 x 17 5 blue and purple paint on shaft 13 teeth 63 66 Ser 10 w 4 11 axle 6 00 16 6 70 15 7 10 15 8 15 15 63 66 Ser 20 w 4 57 axle 8 17 5 7 50 15 8 19 5 1971 CHEVROLET NIOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 REV 6 71 4 139 4 329 4 337