8 4 SPEED TRANSMISSION A I N 4 329 ADAPTER Speedometer NOTE 1 Above adapters used as required in combination with speedometer gears to correct odometer reading for varioustire sizes transmission and rear axle gear ratio combinations See group 4 337 1 NOTE For detailed application use speedometer gear charts I 65 4 Ton w 3 Spd H D 4 Spd I yi 2nd Ser exc D D ratio 18 14 w 7 00 17 6 and 8 8 x 19 5 1 tires I 57 58 4 Ton exc D D 1 1583876 fl 7 00 x 17 6 8 ply tires 1 I 63 67 Ser 10 3 07 axle exc T H ratio 17 14 w 6 50 16 7 00 15 or 7 1 17 5 8 00 x 16 5 8 15 x 15 O R 6 ply r tires i 68 For application refer to chart in I i I n group 4 337 1589247 1 1 66 67 All 4 Spd w 4 56 4 89 axle 3890575 1 ADAPTER ASSY 7 75 x 14 7 75 x 15 I 1 I I 8 25x14 8 55 x 14 8 15x15 tires 68 72 For application refer to chart in V l group 4 337 39256691 1 ADAPTER ASSY stamped 9444 W 68 72 For application refer to chart in 1 V group 4 337 3925671 1 ADAPTER ASSY stamped 1 0500 U 68 For application refer to chart in 1 4 337 group 6451928 fl ADAPTER ASSY 1 I i 68 For applicationrefer to chart in 1 4 337 group 1 1585657 1 ADAPTER ASSY I 68 For application refer to chart in 5 I 4 337 group 1565452 1 ADAPTER ASSY 1 68 For application refer to chart in I 1 4 337 group 1583624 1 ADAPTER ASSY 4 69 72 For application refer to chart in I 4 337 group 3 950348 1 ADAPTER ASSY stamped 1 2020 X 69 72 For application refer to chart in I 4 337 group 3950350 1 I ADAPTER ASSY stamped 1 3000 J 69 72 For application refer tochart in 1 1 4 337 group I 3950352 1 ADAPTER ASSY stamped 8241 C 69 72 For application refer to chart in 1 I 4 337 group L 3950354 1 ADAPTER ASSY stamped 9743 Y l 38 66 For models and comb see 1 1 I Group 4 337 I ADAPTER UNIT ratio 17 16 stamped I 1563871 1 68 For application refer to chart in 1 1 group 4 337 1565812 A Fl Note 1 I 1L 38 64 For models and comb see 1 1 Group 4 337 I ADAPTER UNIT ratio 1 6 17 stamped I l 1564409 1 68 For application refer to chart in i I group 4 337 1 565814 A R Note 1 68 For application refer to chart in 4 337 group 1584275 1 ADAPTER UNIT I I 68 For application refer to chart in I 4 337 group 1584277 1 ADAPTER UNIT 69 72 For application refer to chart in i I 1 1 Q 4 337 group 3925673 11 ADAPTER UNIT stamped 1 111 1 V I I 69 72 For application refer to chart in 1 I I I I I 4 337 Group 1565452 1 1 I ADAPTER UNIT stamped 1 2143 N 89 72 For application refer to chart in 1 I I 4 337 group 1684274 1 ADAPTER UNIT stamped 1 0625 P 69 72 For application refer to chart in i 4 4 337 group 1584278 1 ADAPTER UNIT stamped 1 1333 R I 69 72 For application refer to chart in 4 337 group 3906497 1 ADAPTER UNIT stamped 8000 T 69 72 For application refer to chart in 1 I 4 337 group 6451927 1 ADAPTER UNIT stamped 1 4615 L 4 330 KEY CUP Speedometer Adapter I 1 I 38 72 All I 1 867209 1 I aIso included w adapters 1565811 12 13 I I 14 1580273 3876 38 70 All 860187 1 I CUP drive 32 x 1 nickel bright 4 337 GEAR Transmission Speedometer Driven Gears only 1 i NOTE For detailed application use speedometer gear chart l 59 62 I Ton w 3 38 4 1 1 axle exc I H D 3708246 1 20 teeth nylon solid blue 1 63 66 Ser 10 w 4 11 axle I 6 00 16 6 70 15 7 10 15 8 15 15 1 l 63 66 Ser 20 w 4 57 axle 1x I I 8 17 5 7 50 15 8 19 5 I 64 66 G 10 w 3 73 axle 3860347 41 1 I 7 00 x 13 64 G 10 w 3 36 axle 7 00 x 14 I I 65 66 Ser 10 D D w 4 11 axle I 1 7 50 16 I I t GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL I 4 329 4 337 1 4 58 1 REV 6 79