Quick view Polaris 2007 Polaris Predator 50 Top End Rebuild Kit Compare $706.65 $679.99 2007 Polaris Predator 50 Top End Rebuild Kit includes:( 1 ) New Genuine OEM Polaris Engine Cylinder PN 0453830 ( 1 ) New Genuine OEM Polaris 39mm STD Bore Size Piston PN 0453833 ( 1 ) New Genuine OEM Polaris 39mm STD Bore Size Piston Ring Set PN 0453834... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List