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Auburn Gear
Auburn Gear Differentials
High Performance and Pro Series
 
Auburn Gear Lockers High Performance Series
The Auburn Gear High Performance series replacement differentials off improved traction over stock differentials delivering more torque to the high traction wheel even when loose wheel traction is ZERO! Suitable for street and mild off-road use in vehicles under 400 HP.
Chrysler - HP Series
Part# Year Model Spline Ratios Price
AL-1 68 +up 8-1/4" 10 bolt 27 2.71 +up $375
AL-2 68-83 9-1/4" 12 bolt 31 2.71-4.10 $385
AL-3 84 +up 9-1/4" 12 bolt 31 2.71-4.10 $385
Ford - HP Series
Part# Year Model Spline Ratios Price
AL-4 78 +up 7-1/2" 10 bolt 28 All $385
AL-5 79 +up 8.8" 10 bolt 28 All $385
AL-6 83 +up 8.8" 10 bolt 31 All $385
GM - HP Series
Part# Year Model Spline Ratios Price
AL-7* 76-88 7-1/2" & 7-5/8" 10 bolt 26 3.23-UP $375
AL-8* 76-88 7-1/2" & 7-5/8" 10 bolt 26 3.08-DN $375
AL-9** 88 +up 7-1/2" & 7-5/8" 10 bolt 28 3.23-UP $375
AL-10** 88 +up 7-1/2" & 7-5/8" 10 bolt 28 3.08-DN $375
AL-11 88 +up 8-1/2" 10 bolt 28 2.73-UP $375
AL-12 89 +up 8-1/2" 10 bolt 30 2.73-UP $375
AL-13 89 +up 8-1/2" 10 bolt 30 2.56-DN $375
* Compatible with ABS ring
** Compatible with ABS ring and Fits F&G Cars, S-Truck, Monza, Vega, Nova, M-Van, All GM "B" cars with 7-5/8 axle
 
Pro Series
The Auburn Pro Series is for higher performance vehicles where improved traction and increased strength are required. These high-bias differentials deliver more torque, more traction, and faster engagement for controlled power transfer and quick reaction to changing load conditions.
Ford - Pro Series
Part# Year Model Spline Ratios Price
AL-14 78 +up 7-1/2" 10 bolt 28 All $480
AL-15* 62-79 8" 10 bolt 28 All $440
AL-16* 79 +up 8.8" 10 bolt 28 All $440
AL-17* 83 +up 8.8" 10 bolt 31 All $440
AL-18 57-85 9" 10 bolt 3 All $440
AL-19 57-85 9" 10 bolt 28 All $440
GM - Pro Series
Part# Year Model Spline Ratios Price
AL-20* 76-88 7-5/8" 10 bolt 26 3.23-UP $440
AL-21* 76-88 7-5/8" 10 bolt 26 3.08-DN $440
AL-22** 88 +up 7-5/8" 10 bolt 28 3.23-UP $440
AL-23**   7-5/8" 10 bolt 28 3.08-DN $440
AL-24 88 +down 8-1/2" 10 bolt 28 2.73-UP $475
AL-25 89 +up 8-1/2" 10 bolt 30 2.73-UP $475
AL-26 65-72 8-7/8" 12 bolt 4-series cars 30 4.10-UP $440
AL-27 64-82 1/2 8-7/8" 12 bolt 4-series trucks 30 3.73-UP $440
AL-28 65-72 8-7/8" 12 bolt 3-series cars 30 3.07-3.90 $440
AL-29 64-82 1/2 8-7/8" 12 bolt 3-series trucks 30 2.76-3.42 $440
AL-30 64-71 8.2" 10 bolt Buick, Olds, Pontiac 28 3.36-UP $440
AL-31 64-72 8.2" 10 bolt Chevy 28 3.08-UP $440
AL-32 63-79 8-1/4" 10 bolt Corvette 17 2.41-3.70 $440
AL-33 63-79 8-1/4" 10 bolt Corvette 17 4.10-UP $460
* Compatible with ABS ring
* Ford 8" and 9" Pro Series use Ford Part# D802-4216 Ring Gear Bolts or equivalent
* Fits F & G cars, S-Truck, Monza, Vega, Nova, M-Van, All GM "B" Cars with 7-5/8 axle
 
 
 
 
 

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