Production Capability
![]() These photos show the start of a lager production run of 20 custom Dana 80 rear differentials. Custom modifications include shortening tubes, new shorter axles, re-bearing and installation of positraction units. The units were custom built for a manuafactue of material transportation equipment.
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Price $1550.00 exchange (you ship your 10 Bolt core) plus outbound freight, this price includes all new internal components with the gear ratio of your choice selected form the following list of available gear ratios :
Re-manufactured Custom 12 bolt car differentials with many features to improve your differential strength, if you are breaking 10 bolt differentials in your GM muscle cars this may be the answer you have been waiting for. These units will work in El Caminos, Chevelle, Monte Carlos, Camero, Caprice and Impala replacing 8.5" diameter ring gear and pinion sets with large 8.875" hardware. Starting at $1550.00The following options are available for you to select from:
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- Add a heavy duty girdled differential cover $145.00
- Add a Auburn Limited Slip Positraction Pro Series $440.25
- Add a Eaton Limited Slip Positraction $420.65
- Add a Solid Locking Positraction by Lockrigth Performance Series $360.00
- Add the new no-slip Positraction by Powertrax $415.00
- Add disc brakes $650.60
Re-manufactured 14 Bolt differential to replace 10 Bolts in GM pickup trucks and suburban 1/2 and 3/4 ton models are available.