Please verify that this will work for your application. Good used 3 series 30 spline gov lok / eaton locker posi with 3.73 gears. good posi with bearings, and races. nice wear pattern on the gears. This gov lok is For mid 1988 - 1998 30 Spline Chevy 8.5 8.6 ten bolt rearends. This differential will work with all gm products with 8.5 inch ring gear and 30 spline axles. may fit other years and models. will be cleaned before shipped. feel free to ask any questions

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