Kibblewhite Black Diamond Engine Valve
Kibblewhite Black Diamond Engine Valve
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Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Upgrade your engine's performance with the Kibblewhite Black Diamond™ Engine Valve. Engineered for superior flow and durability, this valve is a premium choice for enthusiasts and professionals alike.
Description
The Kibblewhite Black Diamond™ valve is CNC machined from a one-piece forging of EV8 stainless steel, ensuring lightweight strength and optimal flow characteristics. Each valve undergoes Finite Element Analysis (F.E.A) software design and computerized flow bench testing to guarantee performance. A special German infusion process enhances wear properties, reduces friction, and provides exceptional corrosion resistance, surpassing chrome and nickel electrolysis plating. The stems are coated with black nitroneg for improved durability. Experience the difference of American-made quality and precision engineering.
Features & highlights
- CNC machined from one-piece forgings of EV8 stainless steel for exceptional strength and durability.
- Lightweight design with optimized profiles for excellent flow characteristics, improving engine performance.
- Infused with a special German process to enhance wear resistance, reduce friction, and provide superior corrosion protection.
- Designed using Finite Element Analysis (F.E.A) software and tested on a computerized flow bench for optimized performance.
- Black nitroneg coated stems for increased durability and reduced friction.
- Proudly made in the USA.
Technical specifications
- Brand: Kibblewhite
- Vendor Part Number: 40-4190
- Application: Intake
- Head Diameter: 29.00 mm
- Length: 3.510"
- Material: Stainless Steel
- Stem Diameter: 5.50 mm
- Tulip Angle: 20°
Important to know
Please ensure compatibility with your engine before installation. Professional installation is recommended.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
KIBBLEWHITE
40-4190
Valve
20°
5.50 mm
29.00 mm
3.510"
Intake
Stainless Steel
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

