Wrench Rabbit Complete Engine Rebuild Kits are a simple and cost-effective way to complete a top-to-bottom professional rebuild for your 2 or 4-stroke motorcycle or ATV/UTV. Fits: Polaris RANGER 800 EFI 4x4 2011 RANGER 800 FULL SIZE 6X6 2013-2016 RZR 4 800 2011 2013-2014 RZR 800 2011-2013