Yukon Gear & Axle YGK2337 Muscle Car Limited Slip Re-Gear Kit GM 8.5" 3.73 Ratio 30 Spline

The Yukon Gear & Axle YGK2337 is a comprehensive muscle car differential upgrade kit designed for GM 8.5" rear axles with 30 spline applications. This complete re-gear and limited slip conversion package dramatically improves traction, durability, and performance by combining a Yukon Dura Grip limited slip differential with a premium 3.73 ratio ring and pinion gear set.

Complete Kit Includes:

• Yukon Dura Grip positraction limited slip differential unit with 30 spline configuration
• High-performance 3.73 ratio ring and pinion gear set
• Premium Timken bearings and races for superior durability
• Complete master installation kit with all required hardware and small parts

Key Features:

• Dura Grip LSD features nodular case construction and forged 4320 steel internals for exceptional strength
• 4-spring clutch-style design provides smooth yet aggressive traction across varied terrain
• Composite clutches deliver high performance and extended service life
• Ring and pinion manufactured using advanced heat-treating techniques to exceed OEM specifications
• Engineered to run cooler and quieter than stock gears while adding power and performance
• Fully rebuildable differential unit with upgrade options available
• Assembled in the USA with premium components

The 3.73 gear ratio provides an excellent balance for muscle car applications, offering improved acceleration and next-level performance without sacrificing highway drivability. This kit is ideal for street performance builds, drag racing applications, and drivers seeking enhanced traction and power delivery. Professional installation by an experienced differential technician is strongly recommended.

Yukon Gear & Axle manufactures high-performance drivetrain components proven at competitions like King of the Hammers and on demanding terrain worldwide. All components are built to tolerances that exceed OE specifications, ensuring reliability and performance you can trust.