This is a Genuine OEM Homelite Himore 3100psi Pressure Washer Pump + pressure release valve. Himore 3100 PSI 3/4 horizontal shaft pump. Hole distances: 2-5/8 center to center between outer holes. 1-7/8 from center hole to outer holes. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Pressure Washers".The seller is "dane791" and is located in this country: US. This item can be shipped to United States.