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The ARB Air Locker Differential Spreader is a professional tool for safely stretching Salisbury-style differential housings, such as Dana Spicer model 44, to achieve proper carrier bearing preload. Pre-drilled hole patterns suit common axle types and the spreader is intended to allow shim addition without permanent housing damage. It comes in a durable carry case and is especially useful when setting shim-adjusted Banjo style axles.
ARB Differential Spreader
