Black-coated, Swiss 7075 T6 aluminum front-mid engine meal lowered by 4mm. Holds the slipper clutch setup and gear package. Allows super-low trip height, and increases performance in high-traction conditions. May be used with #321268 Graphite Gear Box Height Adjustment Plate and #321269 Graphite Gear Box Height Adjustment Plate (or #321270 XT2 Graphite Gear Box Height modification supper).