Technic Driving Ring Extension, 4 Ridges

Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Plate 1 x 1 Plate Round 1 x 1 with Solid Stud Tile Special 1 x 2 Grille with Bottom Groove Plate Special 1 x 2, Top Clip [Split] Bracket 1 x 2 - 2 x 2 Inverted Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Brick Curved 2 x 2 x 2/3 Tile Round 1 x 1 Quarter Technic Pin with Friction Ridges Lengthwise and Center Slots Tile 2 x 2 Curved, Macaroni Plate 1 x 2