Prox Stl Int Valve/Spring Crf250R/X04-7/04-9 28.SIS1336-2

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Prox Stl Int Valve/Spring Crf250R/X04-7/04-9 28.SIS1336-2

Prox Stl Int Valve/Spring Crf250R/X04-7/04-9 28.SIS1336-2

Original price was: $111.99.Current price is: $74.68.

71 in stock

SKU: 28.SIS1336-2-WISECO Category:

Description

  • Steel Valves for increased durability and less wear under extreme conditions
  • Nitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide
  • Special stronger valve springs deal with the extra weight of the steel valves
  • Fully rebuildable with OEM retainers, bases and seals without the need of any further engine modifications
  • Springs are made from premium chrome vanadium steel for higher performance and durability at high rpms
  • Comes as complete package for quick, easy and cost efficient replacement

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