panteramatt Posted December 7, 2004 Wheres th ebest place to get the piston and have the cylinder bored and plated for a 420 piston kit for the yzf400? Share this post Link to post Share on other sites
BigA Posted December 8, 2004 Try White Brothers. Years ago, I bought the RPM kit through them. You do have to turn in your cylinder as an exchange. Share this post Link to post Share on other sites
