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About EK 420 SRO Series O-Ring Chain

EK 420 SRO Series O-Ring Chain

  • Value O-ring chain that does not compromise quality or durability
  • High-tech heat-treated steel alloy construction
  • O-ring seals lock in lube, lock out grit
  • 420 SRO/428 SROZ chains include semi-press fit clip connecting link
  • Average Tensile Strength: 4,300 Lb.
  • Max Engine CC 80 Street, 80 Dirt.

Warning:  California Proposition 65

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