White Diamond® Engine Valve

Upgrade your valvetrain durability with the Kibblewhite White Diamond® engine valve. Designed for consistent performance and long-term reliability, this intake valve is CNC-machined from a one-piece forging to ensure strength, accurate geometry and dependable sealing. The 360° anode hard-chrome electroplating provides an even, high-grade finish to help resist wear in demanding riding and service conditions.

If you are refreshing a worn top end or building an engine for dependable performance, a quality valve helps maintain proper compression, clean running and stable valve operation over time—reducing the risk of premature wear and costly rework.

Key features:

• ✅ CNC-machined White Diamond™ valve from a one-piece forging (EV8 Stainless Steel or Inconel-751)
• ✅ Electroplated with a 360° anode for an even, high-grade hard chrome finish
• ✅ Made in the USA

Benefits of use:

• 🔹 Durable materials and forging-based strength for demanding engine use
• 🔹 Hard chrome finish helps improve wear resistance for longer service intervals
• 🔹 Precision machining supports reliable sealing and consistent valvetrain operation

Technical specifications:

• 📌 Application: Intake
• 📌 Head diameter: 32.00 mm (1.260")
• 📌 Length: 3.380"
• 📌 Stem diameter: 4.50 mm (0.1764")
• 📌 Tulip angle: 10°
• 📌 Material: Stainless Steel
• 📌 Units: Each
• 📌 Brand/Model: Kibblewhite White Diamond®
• 📌 Vendor part number: 40-41612H

Why choose this product?

⭐ Built by Kibblewhite—known for high-quality valvetrain components
⭐ Precision manufacturing and premium finishing for dependable results
⭐ Ideal choice for top-end refreshes and performance-minded maintenance