Black Diamond™ Engine Valve

  • Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel
  • Lightweight, strong, one piece forging with profiles that provide excellent flow characteristics
  • Valve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
  • Each valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow bench
  • Stems are coated with black nitroneg
  • Made in the USA


  • Requires the use of Kibblewhite spring kit.
    € 42,37 incl. VAT

    Out of stock

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    We prepare your vehicle for the road
    Large assortment
    Specialized in recreational vehicles
    Black Diamond™ Engine Valve

  • Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel
  • Lightweight, strong, one piece forging with profiles that provide excellent flow characteristics
  • Valve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
  • Each valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow bench
  • Stems are coated with black nitroneg
  • Made in the USA


  • Requires the use of Kibblewhite spring kit.
    Article number
    20080221:30-30221
    Application
    Intake
    Head Diameter
    1,457"
    Head Diameter Imperial
    1.457"
    Head Diameter Metric
    37.00 mm
    Length
    3,325"
    Length Imperial
    3.325"
    Material
    Stainless Steel
    Model
    Black Diamond™
    Product Name
    Valve
    Research Value
    Finalized
    Riding Style
    Off-Road
    Size
    Oversize
    Size Metric
    Oversize
    Stem Diameter
    0,2158"
    Stem Diameter Imperial
    0.2158"
    Stem Diameter Metric
    5.50 mm
    Tulip Angle
    20°
    Tulip Angle Imperial
    20°
    Units
    Each

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