DLC ARP Harley Davidson Dyna Shock Spacer KitHarley Davidson Dyna Shock Spacer Kit This kit includes highquality ARP Bolts, and necessary Nuts, and Spacers ARP's fasteners are built to withstand serious racing and have higher tensile strengths and can survive higher stresses than most aircraft fasteners will ever see. Replaces OEM bolts No fading No rusting and our kits are not anodized and not powdercoated like the restso they wont rust, fade and look like S*%T! 100% Made in the USA hand