High Performance SpringsExtremely Accurate RatesChrome Silicon, High Stiffness-To-Mass Ratio, Shot-Peened, Heat-Treated and Pre-Set (No Sagging)Spring Rate: 5.4 Kg/mmSpring Rate CLOSEST to Actual Stock Rate, if Not Noted, Assume Stock Rate Is Lower Than Listed for the ApplicationFits the Following Honda Models:CRF450R 2009Fits the Following Kawasaki Models:KX450F 2009

Accuracy and performance|Accurate rates to within 2%|High stiffness-to-mass ratio, shot-peened, heat-treated and preset chrome silicon steel|Choose from varying spring rates to suit your biking needs

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov