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The "BTF Toyota FJ40 / Land Cruiser Rear Kryptonite Differential Cover" was designed with pure function in mind. Like all of the Kryptonite Series Diff Covers the FJ diff cover is fabricated with 1/4 inch steel plate for the cover and has 3/8 inch steel ring for the base. With a 3/8 inch thick steel ring the cover is built to resist "peel up" as you drag your diff over rocks and other terrain. The FJ diff cover also has a fill plug. The fill plugs have a cnc machined boss that extends out to protect the plug.
All diff covers are shipped unpainted. All diff covers are shipped with new bolts and a fill plug for models that require one.