Uncategorized 2014 Grizzly 550 big bore April 12, 2016 dstech new to the site trying to find help with my 2014 550 big bore build I want to do…..all the kits ive found to do the big bore say only compatible up to 2013 engines… I want a high compression 686 kit for my 2014. assistance would be much appreciated Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related