FITS ALL HONDA TRX400EX, 400X, AND XR400R MODELS AND YEARS. Piston uses pump or race gas.Works with stock valve springs. All parts are new in the original packaging, and the original manufacturers' warranties apply.
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 "TRX400EX TRX 400EX Big Bore Kit Stage 2 Hotcam 87 mil Cylinder Wiseco 416 Piston" is in sale since Wednesday, May 2, 2018. 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.