This is a crankshaft main bearing rebuild kit for a Polaris 440, 500, 600 small block motor. This kit fits all 500 and 600 domestic small block carbed motors and some 440 domestic motors. The part # of the replacement bearings are Qty-2 3585503, Qty-2 3514363.
The 2 center bearings have the seals in them, the outer bearings has the upgraded o-rings to insure the outer race will not spin in the case. These bearings are the very high quality.
The item "Polaris 500 600 XCSP XC SP 440 Crankshaft Main Bearing Kit PTO 3514310 3514363" is in sale since Wednesday, October 18, 2017. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Engines & Components\Snowmobile Engine Components". The seller is "powersportsparts15" and is located in Holden, Utah. This item can be shipped worldwide.