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 Increased torsional flex with Billet Top Mounts Plusher feel, more control, added bump absorption Stiffer than stock Titanium Front Engine Mount Bolt to mimic Factory Race Team welded on frame gusset Developed by top industry professionals Used by the top factory teams FitmentHonda CRF250R/RX 18-21 Parts included: EMF-H24F-045 Engine Mount Front x2EMT-H2F-001L Engine Mount Top L x1EMT-H2F-001R Engine Mount Top R x1