YTSD-01 Yukon Multi-Shim Driver Yukon multi-shim driver. This shim driver tool works on a variety of applications including: - GM 7.5", 8.2", 8.5", 8.6", 12P, 12T, - Ford 7.5", 8.8", 9.75", 10.25", 10.5", - Model 35, Dana 44HD, Dana 44 JK, and more! No return.