Yukon Gear & Axle Yukon Gear Dura Grip Positraction For 55P GM w/ 17 Spline Axles YDGGM55P-17-1

YUK Dura Grip

55P GM 17SPL 3.73/ DOWN DURAGRIP POSITRACTION; COMPOSITE CLUTCH

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.

Yukon Gear and Axles Dura Grip positraction limited slip differential provides smooth yet aggressive traction to give you the confidence and performance you need in a variety of terrains. The Dura Grip posi limited slip is engineered for long life, and is completely rebuildable. Dura Grips are built with a high strength nodular case and forged 4320 chrome-moly spider gears, and Raybestos composite clutches for long life. The Yukon Dura Grip: for unmatched posi-traction performance.

Yukon Dura Grip Limited Slip Differential for GM 55P Dropout; 3.73/Down Ratio; 17-Spl

Vehicle Fitments: