Kibble White Black Diamond Valve conversion kitRef : KIBW00173A / 09263309

Black Diamond™ Valve Kit – Manufacturer's ref. 20-22100. Designed for road/touring engines, this Kibblewhite kit provides reinforced intake and exhaust valves for cylinder head refurbishment or preparation. Ideal for classic Harley 1200 Electra Glide and other compatible cylinder heads.

The Black Diamond™ finish consists of a localized surface treatment: a layer of 0.0002” (0.0002”) at a depth of 0.002” (0.002”) which enhances wear properties, reduces friction, and provides better resistance to corrosion and abrasion. Compatible with leaded and unleaded fuels. Made in the USA.

• Kit contents: 2 intake valves, 2 exhaust valves.
• Tulip angle: Intake 23°, Exhaust 29°.
• Head diameter: 1.750” (44.45 mm) for both intake and exhaust.
• Stem diameter: Intake 0.3765” (≈9.56 mm) / Exhaust 0.3760” (≈9.55 mm).
• Usage: intake & exhaust applications, geared towards Road/Touring.

This kit is aimed at demanding mechanics and riders looking for robust replacement valves for cylinder head refurbishment, timing adjustment, or periodic maintenance. Check compatibility with your engine before installation.