I I 5 3 SPEED TRANSMISSION 4 337 GEAR Transmission Speedometer Driven Gears only Con t I I I I a I I I I I NOTE For usage of the above speedometer gears together with adapters Group 4 329 for various tire I sizes transmission and rear axle ratios useetable below The fol owingcombinations are based on tires having highway type treads For other types sizes and odometer corrections factor see Service and 3 Mechanical Dept Product Data Book Section X 1 1 I s 1968 70 I 1 GEAR Speedometer Driven g I Part Speedorneter i I Part Speedometer I No Geer Teeth Color Code No Geer Teeth Color Code I 1359270 I 36 White g 38 66793 20 V 1359271 37 Red 3866794 21 I 1359272 38 Blue 3866795 I I 22 V I 1359273 39 I Brown 3866796 23 1362048 40 Black 3866797 24 I I 1362049 42 Green 3860348 25 Orange V 1362195 41 Yellow 3866798 18 1362196 43 Purple 3866799 19 223 267O 12 stmpd 2232670 3866917 20 I I g 2280103 I 15 stmpd 207796 I 3866918 21 3821556 15 strnpd SW I 448559 3866919 22 I I 3987918 18 g Brown 3925676 15 3987919 19 Natural 3987920 I 20 Blue 3987921 21 9774413 34 Lt Green 3860345 22 Green 9775187 45 Lt Blue 3860346 23 II Black 9780470 I 44 Gray 3860347 24 Yellow 9780628 35 Pink I I I I I I I I I I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL B i REV 5 79 I 4 13 s 4 337 4 337