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The BD Diesel Stage 1 Stock HP Built‑It transmission kit for 1999–2003 Ford 4R100 is a stock‑level rebuild package containing the same parts BD uses in its transmissions. It includes clutch frictions, steels, bronze bearings, filter and overhaul hardware aimed at restoring factory operation. This kit is aimed at builders who want a reliable, factory‑equivalent rebuild without unnecessary extras.
BD Diesel Built-It Trans Kit 1999-2003 Ford 4R100 Stage 1 Stock HP Kit
