Yukon Gear & Axle YDGGM12P-3-33-1 Dura Grip Limited Slip Differential

The Yukon Gear & Axle YDGGM12P-3-33-1 Dura Grip is a high-performance limited slip differential designed specifically for GM 12-bolt passenger car applications with 33-spline axles and gear ratios from 3.08 to 3.90. This unit is engineered for Type-3 carriers, which are designed for the 3.08 to 3.73 ratio range commonly found in performance-oriented GM vehicles.

Construction and Durability:

• 4-spring Raybestos composite clutch design with internal gears precision-machined from forged 4320 steel for exceptional strength
• High-strength nodular iron case construction paired with high-quality composite clutches for lasting durability
• Fully rebuildable design assembled in the USA, allowing for repairs or modifications without replacing the entire unit
• Engineered to provide great traction and strength while maintaining smooth, street-friendly operation

Performance Features:

The Dura Grip delivers reliable traction across multiple terrains including street, snow, trails, and mud conditions. This positraction unit provides aggressive traction to both wheels while maintaining a smooth ride for a variety of on and off-road applications. The limited slip design ensures improved power transfer and better handling in demanding driving situations.

Important Installation Notes:

• Yukon recommends using high-grade non-synthetic GL-5 gear oil with Yukon LSD additive (part number OILADD) for optimal performance and longevity
• Synthetic oil is not recommended as it may result in aggressive or noisy operation
• Compatible with GM 12-bolt passenger car differentials with 8.875-inch ring gear
• One year warranty against manufacturing defects

This Dura Grip limited slip differential is an excellent upgrade for classic muscle cars, pro-touring builds, and performance applications requiring dependable traction without the harshness of a full locker.