Kit soupapes Echappement acier+ressorts Prox YZF 250 01/13 (paire)
Kits replace the OEM valves and valve springs . Steel, nitrided valves for increased durability and less wear under extreme conditions . Stronger valve springs deal with the extra weight of the steel valves . Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm . Kits contain a set of steel intake or exhaust valves plus a set of specially designed valve springs. can be installed using the OEM retainers, bases and valve seals. This kit includes 2 valves & 2 springs. Most of the models are in stock and ready to ship, if it's not the case, we will ship it within about 3 days. If you don't find the part you need, don't hesitate to contact us, we can get all Prox parts for you.Do you need help? Do you have any questions?Ask a question and we'll respond promptly, publishing the most interesting questions and answers for others. 
