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Crossmember Side Plate

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New side plates are installed on each side of the new transmission crossmember to bolster strength. Installation of these plates requires drilling two holes per side into the unibody. With the side plates held in position temporarily via two lower crossmember bolts, the areas to be drilled are marked and then drilled out. The front holes on each side are drilled out to 17/32 inch, while the rear holes are drilled out to 25/32 inch after removing the side plates.