HD 1.4kw Sportster '81- Chrome 80-1010All Balls Starter Motors are manufactured with all new componets that have been fine tuned for starting the HD V Twin engine and are backed by the industrys best customer services and warranty. All Balls have partnered with Bosch to manufacture their new range of Starter Motors. All Balls 1. 4 KW Starter Motors are a great stock replacement starter backed by the industries best limited warranty. The 1. 4kW design works well in larger C. I. engines