Black Diamond Replacement Intake Valves for Pan Head 1948 to 1965

• 
  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

Specifications:

• 1.750" Head Dia.
• 0.3765" Stem Dia.
• 0.234 Tulip Radius
• 23º Tulip Angle
• 3.800" OAL