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The Revolution Gear & Axle matched ring-and-pinion set for 1976–1983 Jeep CJ5, CJ7 and J10 AMC 20 rear axles provides a 4.56 final drive ratio. Built as a precision-matched gear pair, it’s used to restore correct gear mesh and to change final drive for different acceleration or towing behavior. Ideal for axle rebuilds and gear swaps that require a 4.56 ratio in AMC 20 rear differentials.
Revolution Gear & Axle 76-83 Jeep CJ5/CJ7/J10 AMC 20 Rear Axle 4.56 Ratio Ring & Pinion Set
