Same high quality as the original Dual Cool oil cooler system only with 21.5% more cooling fins Follows the contour of the front frame legs and mounts with a virbration resistant top mount and requires purchase of 7400146 or similar lower clamps Top mount attaches to highway bar cross bracket Dual Cool II includes two screw in chrome slip fit type oil line nipples Chrome plated aluminum cooler body Installation on some models may require the use of an oil filter adaptor for oil supply Modification may be needed to install on bikes with Engine Guard