







🚀 Unlock unstoppable traction with HOLDWELL’s 10-Bolt Posi Unit!
The HOLDWELL 10 Bolt Posi Unit Eaton-Style Limited Slip Locker Differential (model 19557-010) is engineered for GM 8.5" 10-bolt axle setups with 28 spline axles. Designed to enhance traction and durability, it supports gear ratios from 2.73 upwards, making it ideal for drag racing, street muscle, restoration, and light off-road use. Its polished exterior and robust construction ensure both style and performance for demanding driving conditions.






| Manufacturer | HOLDWELL |
| Brand | HOLDWELL |
| Model | Differential |
| Item Weight | 24.2 pounds |
| Package Dimensions | 11.73 x 9.88 x 9.69 inches |
| Item model number | 19557010 |
| Exterior | Polished |
| Manufacturer Part Number | 19557010 |
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