Yukon YDGGM55P-17-1 - 55P GM 3.73/down Yukon Dura Grip Limited Slip; 17spl; Composite Clutches

Product Description

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

Features & Benefits

• Fits 55P GM w/17 Spline Axles
• Fits 3.73 Gear Ratio Down [Also Fits Thick Gears]
• Fully Rebuildable Design And Proudly Assembled In The USA
• Limited Slip Differential w/Composite Clutches
• All Units Are Backed By Extensive Product Testing And State-Of-The-Art Software Design
• Yukon Dura Grips Feature 4320 Chromoly Spider Gears For Ultimate Durability
• Gears Are Cut To Provide The Strongest Teeth Possible In Any Terrain

A factory thin ring gear was used on 1955-1956 carriers with ribs on the back of the ring gear side. The 1955-1956 open dropout casting numbers end with 306in. A new ring and pinion or ring gear spacer is required when replacing the factory 4 series case. Yukon recommends the use of high grade Non-Synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation.

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