Kibble White Black Diamond Exhaust valveRef : KIBW00086A / 09260784

Valve Black Diamond™ Kibblewhite — a monoblock exhaust valve designed for demanding cylinder heads. Stainless steel body with Stellite tip and special nitriding treatment: surface layer of 0.0002" and depth of 0.002" for improved wear resistance and reduced friction. Lightweight part with optimised profiles for excellent gas flow, suitable for cast iron or low-tolerance bronze guides.

• Application: exhaust
• Tulip angle: 40°
• Head diameter: 1.480" (≈ 37.59 mm)
• Stem diameter: 0.3096" (≈ 7.87 mm)
• Surface treatment: special nitriding + Stellite tip
• Fuel compatibility: leaded and unleaded
• Origin: made in the USA

Designed to provide increased longevity compared to traditional treatments (hard chrome, electrolytic nickel plating), this valve is aimed at roadsters and engine tuning enthusiasts seeking reliable performance for daily use or cylinder head refurbishment. Ideal for Harley-Davidson Sportster models (e.g. XL 1200 S, XL 1200 C, XLH 883) and other compatible fits to the specified dimensions.

Manufacturer reference: 20-2012