bossbearing starter solenoid relay smu6015 for arctic cat 700 hdx prowler 2011 2012 2013 bossbearing arrowhead starter solenoid relay. arrowhead electrical products, inc. is a global distributor of rotating electrical parts and their components. they have been proudly serving customers for over 45 years, and their mission is to sell high quality products at great prices while providing exceptional customer service! specifications: 12-volt.