YDGF8.8-31-1 Yukon Dura Grip positraction for Ford 8.8" with 31 spline axles
19588-010 ** Fits Ford 8.8" All Ratios Technical Notes: DTA recommends the use of high grade GL-5 gear oil and Limited Slip Differential additive for long life and smooth operation. Part number OILADD or 43161. The use of synthetic oil is allowed but may result in aggressive or noisy operation. This unit requires use of carrier bearing & race set number A36 (TIMKEN BRAND)