Updated version! After spending the majority of our time testing and developing our products to improve this bike, we have learned exactly what this motorcycle needs to optimize the performance on dirt. No need to overthink or stress what combination to purchase. This kit is specifically designed to improve your motorcycle. AMA Limited / Stock class legal Incredible handling improvement Titanium Front Mounts much lighter than stock Improved front wheel traction Increased torsional flex with Billet Top Mounts Plusher feel, more control, added bump absorption Motocross Action Magazine MXA Tested – APPROVED! Used by the top factory teams Developed by top industry professionals Used by Mike Brown & Josh Hill (2018-2019) Yamaha YZ450F/FX FCP Racing Kit