Echo Original Equipment YouCan Speed-Feed 400 Cap and Spring Kit - 90170Y The Echo YouCan Speed-Feed 400 Cap and Spring Kit, part number 90170Y, is an authentic maintenance kit designed to restore the performance of your SpeedFeed 400 trimmer head, which can wear down over time. This kit contains genuine replacement parts for your trimmer head, ensuring a perfect fit and seamless functionality. Over time, parts of the trimmer head can wear down, making this kit an essential choice for prolonging the life of your Echo outdoor power equipment. The kit includes all the necessary items to replace the Speed-Feed® 400 parts including Lid, Spring, and Spring Cap​3​. This installation is considered easy, and it's designed for a do-it-yourself (DIY) installation, saving you time and money by avoiding a new trimmer head purchase or professional service fees. Moreover, this kit is specifically crafted for tackling the toughest jobs with Echo’s commercial-grade outdoor power equipment, ensuring that your equipment continues to operate at peak performance. Authentic Echo Parts: Contains genuine replacement parts ensuring reliability and compatibility with your SpeedFeed 400 trimmer head. Easy Installation: Designed for hassle-free, do-it-yourself installation, getting you back to work faster. Prolong Equipment Life: Ideal for prolonging the life of your Echo outdoor power equipment by restoring the performance of the trimmer head. Cost-Effective Maintenance: Saves you from having to purchase a new trimmer head or pay for professional service fees. Suitable for Tough Jobs: Crafted for tackling the toughest jobs with Echo’s commercial-grade outdoor power equipment. This is an OEM Echo part.