Yukon Gear Dura Grip Positraction For 55P GM w/ 17 Spline Axles

Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.

Additional Information

55P GM 3.73/down Yukon Dura Grip Limited Slip; 17 Spline; Positraction; Composite Clutches

Part Type

Limited Slip Differential Assembly

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• All units are backed by extensive product testing and state-of-the-art software design
• Fits 3.73 Gear Ratio & Down (Also Fits Thick Gears)
• Fits 3.73 Gear Ratio Down [Also Fits Thick Gears]
• Fits 55P GM w/17 Spline Axles
• Fits 55P GM with 17 Spline Axles
• Fully rebuildable design and proudly assembled in the USA
• Gears are cut to provide the strongest teeth possible in any terrain
• Limited Slip Differential w/Composite Clutches
• Limited Slip Differential with Composite Clutches
• Yukon Dura Grips feature 4320 chromoly spider gears for ultimate durability

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Differential, Dura Grip, 17-Spline, GM 55P Dropout, Each

Yukon Gear & Axle Dura Grip positraction carriers offer great traction and strength, and yet are not overly aggressive for the streets. These nodular iron or steel replacements are 4-spring, Raybestos composite, clutch-style, limited-slip carriers—with internal gears machined from forged 4320 steel with stronger teeth. Assembled in the USA, the Yukon differential carriers are rebuildable, allowing for repairs or modifications without buying a new unit. They're available for fitment with nearly two dozen axle models. What are you using to transfer power? Choose smooth operation with strong lockup abilities to transfer torque—benchmarks of the Yukon Gear & Axle Dura Grip positraction carriers.