Differential Setup Specifications

The following are recommended Differential Set-Up Specifications for various differentials. If in doubt, consult our staff of differential parts specialists.

AMC

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
MODEL 20 14-19 6-8 6-10 65 65
MODEL 35 12-15 6-7 6-10 55 55

CHRYSLER

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
7.25″ 12-14 6-7 6-10 55 50
8″ IFS 12-15 6-8 6-10 55 60
8.25″ 12-15 6-8 6-10 55 60
8.75″ – 41 Case 13-15 6-8 6-10 55 90
8.75″ – 42 Case 15-25 7-10 6-10 55 90
8.75″ – 89 Case 14-19 6-9 6-10 55 90
9.25″ 14-19 6-9 6-10 65 75
9.25″ ZF Rear 17-22 7-10 5-9 65 75
9.25″ Front 15-35 10-20 5-7 103 63
AAM 10.5″ 15-25 10-20 5-7 175 120
AAM 11.5″ 25-45 10-20 5-7 175 175

DANA SPICER

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
DANA 25 12-15 6-7 6-10 55 50
DANA 27 12-15 6-7 6-10 55 50
DANA 28 10-13 5-6 6-10 55 50
DANA 30 12-15 6-8 6-10 55 60
DANA 30 JK 12-15 6-8 6-10 80 60
DANA 30 JL 15-20 8-12 6-10 70 70
DANA 35 JL REAR 15-20 8-12 6-10 135 50
DANA 44 14-19 6-9 6-10 55 60
DANA 44 – WK / XK 14-19 6-9 6-10 55 60
DANA 44 – JK FRONT 20-30 12-15 6-10 135 80
DANA 44 – JK REAR 22-35 12-15 6-10 135 80
DANA 44 – HD (ALUM) 15-20 8-12 6-10 125 80
DANA 44 – JL FRONT 15-20 8-12 6-10 135 70
DANA 44 – JL REAR 14-19 6-9 6-10 135 70
DANA 50 14-19 6-9 6-10 65 60
DANA 60, 61, 70U 17-30 8-10 6-10 110 80
DANA 70 & 70HD 20-35 8-10 6-10 110 80
DANA 80 25-40 9-11 4-10 175 80
DANA S110 / S111 / S130 20-40 8-12 9-16 150 140
DANA S135 10-40 8-12 9-12 120 125

FORD

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
7.5″ 14-19 6-8 11-16* 60 60
8.0″ 12-14 6-7 10-15* 60 60
8.7″ 14-19 6-8 10-15 60 60
8.8″ 14-19 6-8 11-16* 60 60
9″ OEM R&P 13-15 6-7 10-16 70 60
9″ NON OEM 13-15 6-7 6-12 70 60
9″ DAYTONA 14-16 6-8 6-12 70 60
9-3/8″ 14-16 6-8 10-15 70 60
9.75″ 15-19 6-8 10-15 75 70
10.25″ & 10.5″ 20-35 6-8 11-16 95 80
M275 20-30 8-12 6-10
M300 20-30 8-12 6-10

GM

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
Olds/Pontiac Dropout 14-19 6-7 6-10 55 60
’63-’79 CORVETTE 14-19 6-8 6-10 55 60
55P & 55T Dropout 14-18 6-8 6-10 55 60
7.25″ 11-14 6-7 6-10 55 60
7.5″ & 7.6″ (7.625″) 12-15 6-7 6-10 65 60
7.6″ (7.625″) 2-Cut OEM 12-15 6-7 3-6 65 60
7.75″ 12-15 6-7 6-10 65 60
8″ 2-Cut OEM 12-15 6-7 3-6 65 60
8.2″ Incl. Olds/Pontiac 12-15 6-7 6-10 55 60
8.25″ IFS 14-19 6-8 6-10 65 55
8.5″ & 8.6″ (8.625″) 14-19 6-8 6-10 65 60
8.6″ (8.625″) 2-Cut OEM 14-19 6-8 3-6 65 60
8.875″ 12 Bolt Car 14-19 6-8 6-10 55 60
8.875″ 12 Bolt Truck 13-15 6-7 6-10 55 60
9.25″ IFS 15-22 7-9 6-10 75 80
9.5″ 15-22 7-9 6-10 103 63
10.5″ 20-35 8-11 6-10 120 136
11.5″ 25-45 10-20 3-10 175 153
H072 Preset 6-10 120 175

TOYOTA

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
Passenger 11-13 5-6 6-9 55 60
7.5″ Front / Rear 12-15 5-6 6-10 70 70
8″ Front / Rear – 4 Cyl. & V6 12-15 5-6 6-10 70 70
8″ Front Rev. Clamshell 9-14 5-6 4-8 70 70
8.2″ Rear FJ Cruiser / ’10+ 4R 14-17 5-6 6-10 70 70
8.4″ Rear Tacoma / T100 14-17 5-6 6-10 70 70
8.75″ (9″) Front Rev. Clamshell 20-30 8-12 6-10 100 75
9.5″ Landcruiser 8-11 5-6 6-8 85 80
9.5″ LC 100 Series / Tundra 9-15 7-12 4-8 100 75
10.5″ Tundra 16-28 15-19 4-8 145 150

SUZUKI

Differential Model
Pinion Bearing Preload (New)
(inch/lbs)
Pinion Bearing Preload (Used)
(inch/lbs)
Backlash
(.001 in)
Ring Gear Bolt Torque
(Foot lbs.)
Bearing Cap Torque
(Foot Lbs.)
Samurai 12-15 5-6 6-10 70 70

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