RTS differential pinion bearing preload spacers are designed to fit the larger 35 spline Ford 9 inch pinon, or in some of the larger specialised suports with an adaptor for use with standard 28 spline pinions. Various thickness shims are included in order to choose what is required to achieve the correct bearing preload

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Includes removable shims : .006″,.007″, .008″, .009″, .010″ 

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