Up for sale is HARDDRIVE 2000-2018 FLTR Road Glide Harley Davidson TC 88/96 3.75" STD BRE CYLINDR BLACK W/MACHINED FINS EA 88187. The vendor part number is 88187. Please read the title to know what is for sale. Catalog Description� Twin Cam Cylinders Come Powder Coated Black with Machined Fins For that OEM Look Twin Cam Cylinders Sold Each Gaskets Purchased Separately .