Overview
Clutch-type posi differential unit for GM 8.5 in, 10-bolt applications with 28-spline axles.
Key Features
- Nodular iron casing
- Composite clutches
- 400 lb springs
- Forged 4130 internals
- Fits gear ratios of 2.73 and numerically higher
Specifications
Axle Spline Count: 28
Spring Load: 400 lb
Reference Numbers
Interchange: 19557-010; YDGGM8.5-3-28-1; EAT19557; GM10-LS28; 998.GM10C; 546018; 542018; GM85PGBK-28-373
Fitment Notes
For GM 8.5 in, 10-bolt applications with 28-spline axles and gear ratios of 2.73 or numerically higher.
What's Included
1 x Clutch-Type Posi Differential Unit; mounting hardware not included