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Large Intake Valve 49mm


  • 49mm diameter, enables, compared to the genuine part, significantly higher degrees of filling of the cylinder (original = 47mm)
  • Only slightly heavier than the genuine part, thus also suitable for high speed revs
  • Nitrated shaft for optimal glide, ironclad against pitting. Polished valve plate "swirl-polished" for optimum flow characteristics, precisely milled 45 ° valve seat
  • In combination with other tuning measures significant performance improvement is possible (for example, FlowBench, carburetor tuning, tuning-cam, etc.)
  • The valve seat and, if necessary, the valve seat pocket in the piston must be expertly adapted (total length and diameter of stem equal to the genuine)
  • Fitment: all SR500 and XT500 constructed from 1980. Not street-legal, racetrack only

Regular price $122.98 USD
Regular price Sale price $122.98 USD
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