Frame Bolt Toppers Caps Kit For 1991-2012 Harley Davidson Dyna Glide Twin Cam 91 92 93 94 95 96 97 98 Enhance the look of your bike with these Chrome Bolts Covers. This kit covers engine, transmission and other primary bolts. Install: Requires a few drops of silicone on stem when installing. Material: ABS Plastic. Color: Chrome