This kickstand spring features high quality chrome and measures 3.4 inches from hook to hook. Replaces the stock spring on 1936 - 1987 Harley-Davidson Big Twins (Knucklehead, Panhead, generator and cone Shovelheads) and Pre-1984 Ironhead Sportster Models. OEM #50011-30. Sold each. See Additional Information below for fitment.