8.5” Posi Unit 28 Spline Limited Slip Locker For 71-85 Chevrolet Impala 5.7L V8

8.5” Posi Unit 28 Spline Limited Slip Locker For 71-85 Chevrolet Impala 5.7L V8

Upgrade your vehicle's performance with this high-quality 8.5” Posi Unit. Designed for durability and traction, this aftermarket limited slip locker is an essential upgrade for classic Chevy Impala owners looking to improve handling and power delivery on the road or track.

Key Features & Benefits

• Enhanced Traction: Distributes power evenly to both wheels for superior grip and stability.
• Durable Construction: Engineered with high-strength materials to handle the torque of a 5.7L V8 engine.
• Improved Handling: Significantly reduces wheel spin during hard acceleration and cornering.
• Reliable Performance: A premium aftermarket solution built for long-lasting service life.

Compatible Models

• 1971-1985 Chevrolet Impala with 5.7L V8 engine

Product Specifications

• Ring Gear Diameter: 8.5 Inches
• Spline Count: 28 Spline
• Differential Type: Posi / Limited Slip Locker
• Condition: Brand New Aftermarket

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed original equipment standards.

How do I confirm compatibility?
To ensure a perfect fit, please verify your differential's ring gear size and spline count, and confirm your vehicle's year and engine type match the listing.