West Coast Differentials has been distributing quality differential and axle parts since 1982. We believe that our exceptional customer service and product knowledge is what sets us apart from the competition. Give us a try, we think you'll be glad you did!
The most current parts and application information can always be found here on our website or by calling one of our differential parts experts. All of the parts we sell are also used every day in our busy service shop. This gives us confidence in the quality of the parts we sell.
The following are recommended Differential Set-Up Specifications for various differentials. If in doubt, consult our staff of differential parts specialists.
AMC |
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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 |
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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 |
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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 M210 FRT | 15-20 | 8-12 | 6-10 | 135 | 70 |
| DANA 44 – JL M220 RR | 14-19 | 6-9 | 6-10 | 135 | 70 |
| DANA 44 – FORD M220 | 14-21 | 6-10 | 3-6 | 143 | 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 |
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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 | 111 | 201 (L) / 102 (R) |
| M300 | 20-30 | 8-12 | 6-10 | 111 | 201 |
GM |
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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 |
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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 |
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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 |
These Differential Set-Up Specifications are provided as a reference only. They have been compiled from data provided by vehicle and axle manufacturers. If in doubt, consult the Differential Set-Up Specifications provided in the factory service manual for the vehicle you are working on.
Setup Specs are also available in our Differential Installation Instructions
Did you know that West Coast Differentials has been around since 1982? We know differential, Gear and Axle parts inside and out! Let our crew of Differential Experts take the guesswork out of your job.
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Need Help or Parts ASAP?
For the fastest service, call our Differential Parts Experts at (800) 510-0950 for immediate assistance. We are available to help Monday thru Friday from 8 AM to 5 PM Pacific Standard Time, and most orders placed by 4 PM ship out the SAME DAY!
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