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About EK 420 SR Heavy Duty Chain

EK 420 SR Heavy Duty Chain

  • Same high-quality features as standard series
  • Quad staked pins riveted for added strength
  • Most feature solid and extended anti-kink bushings to insure superior dependability
  • For unmodified and non-competition machines
  • Suitable for 350cc max street and 250cc max offroad use
  • Average tensile strength of 7,700 lbs.
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