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Regina Chain Drag Racing Chain (DR)

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  • Ultimate strength is not as important as fatigue resistance in drag racing or on the street
  • 520DR has a breaking strength of 8,542 lb. and a fatigue limit of 1,800 lb.
  • 530DR has a breaking strength of 10,790 lb. and a fatigue limit of 2,135 lb., which is sufficient up to Pro Stock level
  • 520DR includes spring clip link; 530DR include spring clip link and semi-press fit spring clip