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. 

This product was added to our catalog on June 14, 2019