Black Diamond Replacement Valves for Evo Sportster Conversion


Order No. 20-2010

  • Black Nitroneg stems
  • One piece forged stainless steel valves impregnated with a special German process to improve wear properties and reduce friction
  • Provide resistance to corrosion and wear superior to hard chromium and electrolysis nickel plating
  • Single Groove valves
  • See Specifications Below
  • Not sure which you need, view or download the chart from the Goodson catalog.