72mm big bore nikasil cylinder. Wiseco hi temp piston rings. NEW power valve assembly machined for cylinder. Hotrods HD crank with rod.
Complete gasket kit - top bottom head base case and pump covers. MAXLOCK heavy duty head stud kit.
Head works with all OEM or after market components. Piston uses pump or race gas. Works with stock or after market valve springs. Please check your order thoroughly when receiving it. We recommend that this kit be installed by a qualified mechanic with experience working on these types of motors.Piston comes with specific instructions for setting the ring gap. If you do not follow these exactly your motor will fail. The item "YZ250 YZ 250 YZ-250 Big Bore Kit 72mm Cylinder Complete Motor Rebuild Powervalve" is in sale since Friday, December 20, 2019. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "bpracingatv" and is located in Upland, California.
This item can be shipped worldwide.