• Extensive R&D on all applications to provide high-performance components that last longer than OEM
  • Black Diamond valves are one-piece forgings made from 21-4N high-performance stainless steel
  • Trademarked Black Diamond treatment provides a stem that has a longer life capacity
  • Keepers not included; use OEM keepers and bases, as noted
  • All components made in the U.S.A.
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