Varroc Brush Box Assy Appe Bs 4 Complete Kit Piaggioo-Appe Bs 4 | STMS-APE4-EE36Varroc Brush Box Kit Assembly is designed to restore smooth and reliable performance in the starter motor. It ensures proper electrical contact between the brushes and the armature, helping the engine crank easily and start without interruption. Made with heat resistant carbon brushes and durable contacts, the kit reduces wear, minimizes sparking, and supports longer starter life. Its precise fit allows it to replace worn or damaged brush boxes