Less oil on the flywheels and rotating parts equates into limited oil drag resulting into free horsepower. This high flow oil return helps to evacuate power robbing hot oil quicker. CNC machined to exact tolerance from 6061-T651 billet aluminum and then polished to a mirror finish makes these extremely pleasing to the eye. The feed and return gears are individually matched to each body for maximum flow and the ports enter and exit from the bottom of the outer cover for the cleanest look possible. 1973/1980 models required the use of our 67059 crankcase oil passage drilling jig for proper installation.Fits Shovelhead & Big Twin Evolution 1973/1991. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Engines & Engine Parts\Oil Pumps & Parts". The seller is "hookedonsprocketsstore" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, Korea, South, Taiwan, South Africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Brazil, Chile, Colombia, Costa Rica, Panama, Trinidad and Tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam, Uruguay.