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The Yukon 35‑spline driver assembly is a direct upgrade for Hardcore locking hubs on 1999–2004 Ford Super Duty Dana 60 applications. This replacement driver set converts the internal spline count to 35 to match heavy‑duty axles, helping ensure reliable engagement with Yukon Hardcore hubs. It supplies the necessary drivers to complete the 35‑spline conversion for specified Ford Super Duty setups.
Yukon Gear 99-04 Ford Super Duty 35 Spline Driver Assembly For Hardcore Locking Hubs
