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The Revolution Gear & Axle master install kit for 1972–1987 GM 14‑bolt 10.5‑inch rear axles is an application‑specific ring‑and‑pinion installation kit for older GM heavy‑duty rear ends. It’s intended to match the 14‑bolt 10.5in specification for those model years and to support ring and pinion replacement or installation; confirm your axle era, bolt pattern and dimensions before selecting this kit.
Revolution Gear & Axle 72-87 GM 14-Bolt 10.5in Rear Axle Koyo Ring & Pinion Master Install Kit
