4 SPEED TRANSMISSION 1968 LIGHT DUTY TRUCKS SPEEDOMETER GEAR CHART CONT D RMI 343 337 4 329 4 338 ear ear 3 me Sue and I Speedometer Speedometer Adapter Fitting Drive Driven Speedometer Assy 4 SPEED TRANSMISSION NEW PROCESS CLOSE RATIO 3 07 8 15 x 15 exc 0 R 2495296 1565813 3749242 3 07 8 15 x 15 0 R 6 50 x 16 8 00 x 16 5 2495296 1563967 3749242 3 07 7 75 x 15 2495296 1565813 3749303 3 07 7 00 x 15 6 50 x 16 7 00 x 17 5 2495296 1563967 3749303 3 54 6 50 x 16 2495296 1565813 3705582 3 54 8 00 x 17 5 9 50 x 16 5 2495296 1563967 3705582 3 54 8 15 x 15 exc 0 R I 2495296 3749242 3 54 6 50 x 16 0 R 7 00 x 16 2495296 1565813 3749242 3 54 7 75 x 15 8 15 x 15 0 R 8 00 x 16 5 2495296 3749303 3 54 7 00 x 15 6 50 x 16 7 00 x 17 5 8 75 x 16 5 10 00 x 16 5 2495296 1565812 3749303 3 54 7 50 x 16 2495296 1565813 3749303 3 54 7 50 x 17 8 00 x 19 5 2495296 1563967 3749303 3 73 6 50 x 16 2495296 1565812 3705582 3 73 7 75 x 15 8 15 x 15 O R 8 00 x 16 5 2495296 3749242 3 73 8 15 x 15 2495296 1565814 3749242 3 73 7 00 x 15 6 50 x 16 7 00 x 17 5 2495296 3749303 4 10 8 75 x 16 5 10 00 x 16 5 6 50 x 16 2495296 3705582 4 10 7 50 x 16 2495296 1565812 3705582 4 10 7 50 x 17 exc O R l 8 00 x 19 5 exc 0 R 2495296 1565813 3705582 4 10 8 00 x 17 5 9 50 x 16 5 2495296 3749242 4 10 8 00 x 16 5 2495296 1565814 3749242 4 10 7 00 x 17 2495296 3749303 4 10 7 50 x 17 0 R 8 00 x 19 5 2495296 1565812 3749303 4 10 7 00 x 16 7 00 x 17 5 O R 8 00 x 17 5 9 50 x 16 5 2480048 3756911 4 10 7 00 x 17 2480048 1565812 3756911 4 10 8 00 x 16 5 2480048 3756913 4 10 6 50 x 16 7 00 x 17 5 exc O R 1 10 00 x 16 5 2480048 1565812 3756913 4 10 7 50 x 16 24800480 1565813 3756913 4 10 7 50 x 17 8 00 x 19 5 7 00 x 18 2480048 1563967 3756913 4 10 7 50 x 17 0 R 8 00 x 19 5 0 R 2480048 1565452 3756913 4 10 8 75 x 16 5 2480048 1565813 3756915 4 10 7 50 x 17 exc O R 8 00 x 19 5 exc 0 R I 2480048 6451930 3756915 4 11 7 00 x 15 6 50 x 16 7 00 x 17 5 2495296 3705582 4 11 7 75 x 15 8 15 x 15 0 R 2495296 1565814 3705582 4 11 8 15 x 15 exc 0 R 2495296 1583624 3749303 4 11 6 50 x 16 8 00 x 16 5 2495296 1565814 3749242 4 57 7 00 x 17 2495296 3705582 4 57 7 50 x 16 8 00 x 17 5 exc 0 R 2495296 1565814 3705582 4 57 7 50 x 17 exc O R 1 8 00 x 19 5 exc 0 R 2495296 1565814 3749303 4 57 8 00 x 19 5 0 R 2495296 3749242 4 57 8 00 x 16 5 2495296 1583624 3749242 4 57 7 00 x 17 0 R 7 50 x 17 8 00 x 19 5 2480048 3756911 4 57 7 00 x 16 0 R 7 50 x 16 8 00 x 17 5 0 R 9 50 x 16 5 2480048 3756913 4 57 6 50 x 16 8 75 x 16 5 7 00 x 17 5 exc 0 R 2480048 1565814 3756913 NOTE Use only with Prop Shaft Brake 3 T 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 311 4 337 4 337 4 86 REV 6 71