67 70 Ser 20 30 2nd design exc P Trac 11 000 lb axle 3867816 1 4 65 10 teeth Note 3 NOTE 3 Use with side gears without groove i 68 70 Ser 10 4 Spd w 396 68 70 Ser 20 w leaf type spring exc power Iok 68 70 Ser 20 w 396 exc power Iok 650074 2 3 65 Dana 234367 68 Ser 30 Dual Wheels w 4 10 ratio 8 cyl exc D D 3873574 4 8 10 10 teeth 5 527 GEAR UNIT Differential Side with Pinion 65 66 G 10 w P Trac 3 36 ratio 2472349 1 21 20 Dana 23819X 68 70 Ser 20 w power Iok 4 10 4 56 ratio 68 70 Ser 20 leaf type spring w power Iok 3 54 ratio 2436471 1 10 95 Dana 22247X 5 528 GEAR Differential Side 40 42 Comm 46 63 V2 Ton exc P Trac rear axle 57 59 Ser 3A w 4 WD 3652344 2 9 15 front axle 16 teeth 46 67 V4 1 Ton ist design exc P Trac 11 000 Ib axle 3681056 2 10 30 rear axle 18 teeth w groove 67 70 Ser 30 w 11 000 lb axle 3697746 2 12 25 27 spline 18 teeth 58 59 V2 Ton w P Trac 2370717 2 4 60 right and left 20 splines 60 62 Ser 10 w P Trac 3772616 2 13 35 16 teeth 17 splines Eaton 40251 60 70 4 WD 69 Blazer 70 4 WD Blazer 3779581 2 6 55 front aixle 16 teeth Dana 31487 60 68 4 WD w power Iok 2409732 2 5 30 16 teeth Dana 30850 61 70 Ser 20 30 w no spin 643341 2 17 30 17 splines 2 z 0 D Det Automotive 65008 63 64 Ser 10 w P Trac 3 73 A ratio 3830669 2 11 35 Eaton 40334 1 64 G 10 w P Trac 3 08 3 36 ratio 2nd design 3848014 2 11 45 Dana 32630 64 Ser 10 exc P Trac 64 G 10 w 3 73 4 11 ratio exc P Trac 3846424 2 8 90 17 spIines 16 teeth 64 Ser 10 w P Trac 3 73 ratio 3849911 2 9 15 Dana 32282 64 G 10 3832415 2 8 55 65 70 Ser 20 4 56 ratio w leaf type spring exc power lok 396 65 70 Ser 20 4 10 ratio w power lok 65 70 Ser 20 3 54 ratio power lok w leaf type spring 68 70 Ser 10 3 54 ratio w power Iok 2410509 2 9 30 30 teeth Dana 31495 65 70 Ser 10 G 10 20 exc P Trac 70 Blazer 3846078 2 8 50 30 splines 16 teeth 65 68 G 10 w P Trac 3 36 ratio 2472350 2 10 25 Dana 33243 28 sp ines 16 teeth 65 70 G 10 3863725 2 7 95 28 splines 16 teeth 65 70 G 10 20 w P Trac 3 73 ratio interior spline 30 exterior spline 65 70 Ser 10 w P Trac 3 07 3 73 ratio 70 Blazer 2472352 2 9 30 23 18 teeth Eaton ED 40334 7 65 67 Ser 10 w P Trac 3 73 ratio 65 67 G 10 w P Trac 3 73 4 11 ratio 2472355 2 10 4 30 splines 16 teeth Dana 33228 65 70 G 10 P Trac 3 36 ratio 3869344 2 9 95 interior spline 28 exterior spline 23 18 teeth ED 40334 5 67 70 Ser 20 30 2nd design exc P Trac 11 000 lb axle 3867815 2 8 55 18 teeth without groove T 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 REV 6 71 5 53 5 526 5 528