Yukon Gear & Axle YDAC8.89-355P/L Dropout Assembly Chrysler 8.75" 489 Case Sure-Grip LSD 3.55 Ratio

The Yukon Gear & Axle YDAC8.89-355P/L is a complete, fully assembled dropout third member built for the Chrysler 8.75" differential with a 489 case. Each unit is assembled by expert Yukon technicians, arriving properly shimmed and backlashed to specification — ready for a straightforward drop-in installation.

This assembly features a nodular iron case for improved rigidity and power handling, reducing deflection under load for consistent gear contact and long-term durability. The unit is upgraded with a Sure-Grip / Powr-Lok clutch-type limited slip differential featuring a four-spider-gear design that enhances torque bias and traction for maximum on- and off-road performance.

Key Features:

• Gear Ratio: 3.55
• Spline Count: 30 spline
• Differential Type: Sure-Grip / Powr-Lok clutch-type limited slip (LSD)
• Case Material: Nodular iron for superior rigidity and power handling
• Application: Chrysler 8.75" differential, 489 case
• Fully assembled, shimmed, and backlashed to spec — ready to install
• Yoke not included

Installation is straightforward: drop the third member into your differential housing, bolt on the diff cover, add fluid, and drive. The Yukon YDAC8.89-355P/L delivers OEM-quality fitment with a performance-oriented limited slip upgrade in a single ready-to-install package.