Brand New Intank Fuel Pumps for arctic Cat 550 700 1000 Fuel Pump & Filter EFI Replaces 0570-271/0570-207 Thundercat 100% Brand New,Including install kits,Exactly same as picture showed, Aftermarket direct replacement fuel pumps High Quality!Made up of first-class material,Every pump is 100% tested before shipment Pump Body Diameter: 1 1/2" (36mm),Overall Length (tip to tip): 4 3/4",Length of Pump Body Metal Case: 2 3/4",Inlet Diameter: 7/8",Outlet Diameter: 5/16" There has two kinds of fuel pumps for your bike, one is 36mm diameter,the other is 52mm. If it's 36mm, this fuel pump is correct one; If it's 52mm, you can find it from our amazon store in the other inventory directly,Contact us via Amazon Message,