Knuckle mount bolt. Left.M16x12mm. PartQualifier: M16x12mm. Right.M16x12mm. Part cannot be reused/reinstalled. Screw that attaches the roof trim to the roof panel. Spoiler Screw. Steering Knuckle Bolt. Supercharger Mounting Screw. Extension. Modulator. Mount bracket. Outer molding. Roof Opening Trim. Spoiler. Steering Knuckle. Supercharger Mounting.