KIBBLEWHITE Black Diamond™ Engine Valve Kit — Standard, Stem 0.3765/0.3760 in, Head 1.950/1.750 in, Length 3.885/3.810 in – 78-83 Big Twin, 80-83 Touring, 82-83 FXR

Black Diamond™ Engine Valve Kit delivers durable, low-friction performance for both intake and exhaust valves. 🔧

Key features:

• All valves are fortified by a special process to a depth of .002” with a surface buildup of .0002”.
• This process improves wear properties, reduces friction and provides resistance to corrosion and wear.
• Compatible with leaded and unleaded fuels.
• Made in the USA 🇺🇸.
• Kit includes:
  • 2x Intake Black Diamond™ Valve
  • 2x Exhaust Black Diamond™ Valve

Precision-engineered for consistent valve seating and long service life.