This adapter makes oil filter installation a snap. Versatile adapter will work on Big Twin, all years, with exhaust pipes around the inside or outside of the frame as well as on Sportster models, all years. Standard clamp type fittings are included on the oil filter bracket. Easy to follow instructions save time and frustration. Use oil filters #87103, #87113, #87117, #87127 or #87118. For installation approximately 5 feet of 3/8 inch oil line, screwdriver, 1/2 inch wrench and a sharp knife are needed. If no oil cooler is used, Sportster installation requires approximately 6 feet of 3/8 inch oil line, and 3/8 inch drill bit. Hardbody Mid-USA.