The Yukon 4.5-inch ABS ring for Ford 8.8-inch axles has a 49-tooth profile and is specified for 1994 and newer 8.8-inch Ford applications. It installs in place of the original exciter to provide the intended tooth count and diameter for compatible ABS systems. Yukon lists this ring among its small parts used to support axle repairs and replacements.
Yukon Gear 4.5in abs Ring For w/ 49 Teeth 94+ 8.8in Ford