This voltage regulator rectifier is the perfect addition to your street motorcycle. It is made of durable aluminum material and has a glossy finish. The unit is water-resistant and has easy installation features. The 7450506 model is a screw-on or bolt-on style unit and is not a vintage part. It has a unit quantity of one and is compatible with Harley Davidson Electra Glide Road King. This product is a universal fitment part and has OE/OEM part numbers of 7450506 and 74505-06.