You get what you pay for would highly recommend this kit
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This product worked great. Noticable power gain. Easy to install. I will buy again if i ever need a new one
Nice kit, easy to install, little tuning adjustments were needed.
I bought this top end kit for my 07crf250r after the bike got hot and burned up the rings. It had a high compression piston already so I wanted to keep it the same. I had never been into my bikes engine until then. Following the shop manual along, the installation was a breeze. The bike pulls harder than before, and throttle response is amazing. If you want your bike to have a little extra pep then this piston is for you. If I had to rebuild another I would use this top end kit again. No complaints here! Lovin it!
i blew a head gasket and decited to put in this kit cuz it comes with everything...i had put this same kit in a year ago, but when i pilled the piston out it was a JE not the PC. maybe this new kit will have the pro comp piston and not the JE.
I put this piston in my CRF450R. That thing rips, all RPM ranges. If you can't get a hole shot with this in your bike, its the pilots fault not the bikes. It does tend to be a little bit more sensitive about the octane of the fuel though.
this piston is incredible it adds alot of power and is really reliable it fits perfect and i love the power gains it gave my bike its crazy how just this piston helps your engine
Installed and noticed instant power gains. Good bang for the buck. Made the bike a little harder to start though. But still very satisfied.