Kibble White Black Diamond Exhaust valveRef : KIBW00116A / DS198974

Valve Black Diamond™ by KIBBLEWHITE (manufacturer part no: 20-4170): a nitrided one-piece valve designed for vintage and touring cylinder heads. Ideal for exhaust applications, this valve combines a stainless steel stem and a Stellite tip to withstand the thermal and mechanical stresses typical of classic Harley engines.

• Process: special nitriding (depth 0.002" and surface layer 0.0002") to enhance wear resistance and reduce friction.
• Construction: stainless steel one-piece with Stellite tip — superior corrosion and wear resistance compared to hard chrome and electroplating.
• Fuel compatibility: suitable for leaded and unleaded fuels.
• Guide usage: cast iron or bronze guides with low tolerances for optimal oil control and maximised heat dissipation.
• Specifications: tulip angle 29°, head diameter 1.615", stem diameter 0.3096" — application: exhaust.
• Origin: made in the USA.

Designed for vintage/classic and touring motorcycles, this valve provides the durability required for long rides and engines subjected to high heat. Check the dimensions and compatibility with your cylinder head before installation.

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