The Eaton Posi 19590-010 or 19590010 is a limited-slip differential engineered for GM 9.5-inch 14-bolt axle assemblies. It accepts a 33-spline axle shaft with a 1.37-inch shaft diameter and is compatible with all ring gear ratios, making it a practical fit across a wide range of GM rear axle builds. Rated vehicle usage spans on-road applications including drag racing, restoration, street and muscle builds, and work truck or towing duty, as well as light trail and sand-sport off-road use. Call us to confirm proper fit for your specific axle configuration.
Features
Eaton Posi limited-slip differential (LSD)
Fits GM 9.5 in. 14-bolt rear axle
33-spline gear tooth count
1.37 in. axle shaft diameter
Compatible with all ring gear ratios
Rated for street, towing, drag racing, restoration, and light off-road use
Tech Specs
- Differential Type: Limited Slip (LSD)
- Gear Spline Tooth Count: 33
- Ring Gear Size: 9.5 in.
- Axle Shaft Diameter: 1.37 in.
- Ring Gear Ratio: All
- Vehicle Usage: On Road - Drag Racing, On Road - Restoration, On Road - Street and Muscle, On Road - Work Truck / Towing, Off-Road - Light Trail / Sand Sports
