The Feuling Valve Springs Econo Beehive Kit 1121 is a steel spring kit designed for Twin Cam engines. This kit includes valve springs with a 0.585" lift, suitable for motorcycle models such as V-Twin Cruisers and street bikes. The beehive style of the springs provides a unique design, while the ovate wire construction ensures durability. With free shipping available, this kit is a convenient and reliable option for enhancing the top end of your motorcycle.