HONDA GENUINE VFR400R NC30 and RVF400 NC35 piston rings. This product data sheet is originally written in English. Description All my products are 100% Authentic. International Buyers – Please Note: Please NOTE!! (As long as i know it might take if it is over 130 euro of europe or 135 pound of britain). As long as i know it might take if it is over 130 euro of europe or 135.