Kibble White Black Diamond Exhaust valveRef : KIBW00102A / 09262947

KIBBLEWHITE Valve Black Diamond™ (Manufacturer part number: 20-20920): a monoblock exhaust valve designed for vintage motorcycles, roadsters, and touring bikes requiring precision and robustness. Made from stainless steel with a Stellite tip, treated with a special nitriding process (depth of .002" and surface layer of .0002") to reduce wear and friction without resorting to hard chroming or electrolytic nickel plating.

• Application: Exhaust
• Tulip angle: 25°
• Head diameter: 1.650
• Stem diameter: 0.3106
• Construction: Nitrided monoblock stainless steel valve with Stellite tip
• Fuel compatibility: Leaded and unleaded
• Guides: Suitable for cast iron or bronze guides with low tolerances for better oil control and heat dissipation
• Origin: Made in the USA

Designed for precise guidance in the cylinder head and lightweight head profiles promoting good gas flow, this Black Diamond™ valve is aimed at classic builds and rebuilds of Harley engines, particularly the FXST/S models of 1450 cm³ (2004). A part suited for mechanical enthusiasts seeking a durable valve that stays true to the original machining.