This is a brand new Namura 10.2:1 standard size piston kit for the Honda TRX450R 04-05. The piston comes the rings, cir clips, wrist pin. This kit also includes the top and gasket kit but no valve seals are included. I use one picture to illustrate item, the correct piston and gasket kit will be sent for this model.  Please feel free to email me with questions.   Free shipping is in the US only. Thanks 10045KS