8.5" 8.6" Posi Unit 30-Spline Limited-Slip Locker for Chevy GMC (2010–2025)
8.5" 8.6" Posi Unit 30-Spline Limited-Slip Locker for Chevy GMC (2010–2025)
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Fits Models:
Chevy Silverado, GMC Sierra
Model Years:
2010–2025
Submodels:
LT, WT, Z71, Denali, All-Terrain
Engine Options:
Available for all engine configurations within the model years listed.
Description:
Upgrade your Chevy or GMC truck with this 8.5" 8.6" Posi Unit 30-Spline Limited-Slip Locker, designed for seamless integration and performance enhancement. This OEM-style part serves as a direct fit replacement for your factory differential, providing superior traction and improved handling in various driving conditions.
Features:
- 30-spline design ensures compatibility with your existing drivetrain
- Enhanced limited-slip performance for better acceleration and cornering
- Engineered for durability and longevity under heavy loads
- Direct fit replacement for easy installation without modifications
- Ideal for on-road and off-road applications, boosting your vehicle's capabilities.
Enhance your driving experience with this reliable, high-performance locker.

Delivered in 5–15 business days