Detroit Truetrac 8.5 Inch 28 Spline Differential With 10 Bolt For GM Cars And Trucks Limited Slip Rear Axle Upgrade Beefed Up Torque And Smooth Power Delivery Durable Performance Gear Set

Truetrac 8.5-inch 28-spline GM 10-Bolt differential
✔️ 8.5-inch, 28-spline differential for 10-bolt GM with LSD

This limited-slip differential upgrade is designed for GM 8.5-inch rear axles with 28-spline input, delivering improved torque transfer and smoother power delivery for trucks and performance cars.

✅ Type: limited-slip differential
✅ Ring gear size: 8.5 in (215.9 mm)
✅ Spline count: 28-spline
✅ Axle compatibility: GM 10-Bolt rear axle
✅ Part number: Eaton 912A556
✅ Package weight: 13.63 kg
✅ Package dimensions: L 205.74 mm (20.574 cm) x W 208.28 mm (20.828 cm) x H 223.52 mm (22.352 cm)

💡 What is a limited-slip differential used for in GM 10-bolt setups?

Limited-slip diffs help improve traction and control in rear drives, especially under acceleration and cornering. - improves traction on rear axle under acceleration and cornering - reduces wheel spin and improves handling on wet or slick surfaces - provides more predictable power delivery for daily driving and performance use ✝️