ProTek RC Samurai RM.1, RM, S03 & R03 Inner Head Button O-Ring

ProTek R/C Samurai RM.1, RM, S03 & R03 Inner Head Button O-Ring. This o-ring is installed in-between crankcase and head button. This helps prevent dirt and debris from entering the combustion chamber. 

CA Residents Prop 65 Warning

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...