Each RPM Wide Front Bumper for the Losi Mini 8ight comes with a gearbox spacer to maintain proper chassis to gearbox spacing as well as a pair of longer mounting screws to hold the RPM Wide Front Bumper securely in place. Best of all, RPM bumpers for the Losi Mini 8ight 2.0 are factory backed by our limited lifetime warranty against breakage for worry free strength and durability, guaranteed!