Function: This starter is designed with a simple mechanical push button built into the starter's solenoid end cover. It is a engine starter's backup system or customized starter system because it can bypass the need for a switch starter on your handlebars. Material: It is made of high-quality aluminum with the antioxidante surface treatment which not only ensures its long-term durability and reliability, but also integrated it into your motorcycle more completely. Fitment: Fits for 1991-2017 Harley EVO and Twin Cam models, as well as most aftermarket starters with 1.2/1.4 KW power (except Compu-Fire). Installation: The starter is easy to install with the Allen bolts by 2.0 mm Hex Wrench. No Installation Instrucitons. Package: 1 x starter (Chrome), 3 x Allen bolts, 3 x standard washers and 3 x spring washer. These Spring Washers will keep the bolts tighten after installation. Condition: 100% Brand New Color: Chrome Features: Made from high-quality billet aluminum, this starter is designed for the motorcycle starer alternative solution. If you have issue with the handlebar starter, this solenoid starter can bypass it and start the engine easily. The surface is processed with chorme, which will upgrade your motorcycle's starter system and make it looks more cool. Fitment: Fits Big Twin 1991/Later & most aftermarket starters. For OEM starters Part #: 17762 or 1.2/1.4 kilowatt aftermarket starters (except Compu-Fire) Installation: Install our starter switch by the Hex Wrench (2 mm) easily. You can simply mount the switch on the end of the solenoid and bypass the stock relay to activate the starter with the push button. Our customer service team is always available if you need assistance. Service: Cyreedom store offers 24 hours customer service and 30 days warranty. If you have any questions, please feel free to contact with us. Solutions will be provided once the details are confirmed. Cyreedom wish you have a nice purchasing experience.