High compression 52mm piston with rings, pin, & clips (you can still run pump gas). Head gasket kit, all gasket included needed for install. Includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, air filter, and long throttle cable.High volume oil pump is recommended. This is a great kit to pump up your Honda 50. This kit deliveres over 2 times the horse power as the stock motor. Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit. We are on the west coast so the closer you are to the west coast the faster your item will arrive. You will only have to checkout and pay once for your entire order.
We will be happy to take care of the issue. If there is any damage done to the product we must receive pictures of the damage.