wheel-well is part of:
    50%  car
    10%  wheel

wheel-well contains:

Full expansion for wheel-well:
   100%  2x4 Wheel-Well Piece, 2x2-Stud Top
   100%  2x4 Wheel-Well Piece, 2x4-Stud Top
   100%  3x4 Sloped Wheel-Well Brick
   100%  3x4 Sloped Wheel-Well Headlight Brick
   100%  3x4 Sloped Wheel-Well Headlight Brick w/ Fire Logo
   100%  3x4 Sloped Wheel-Well Headlight Brick w/ Police Badge Logo
    80%  4x5x.6 Wheel-Well Piece w/ 2x2 Hole