This kit will drop your (NP242 or NP247) transfer case 1" for improved driveline anglesafter lifting your WJ. Includes two rectangular aluminumspacer blocks and new bolts. The rectangular blocks come powder coated or anodized black for an attractive and durable finish.Many other manufacturers send you their drop kit in unfinishedaluminum which is unprotected from corrosion. Also, most peopledo not want to draw attention to their transfer case drop. Theblack blends well with the black factory crossmember"hiding" the drop kit.