Kibblewhite C630 Valve Guides
Kibblewhite C630 Valve Guides
Available in stock (12)
-
Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Upgrade your engine's performance and reliability with Kibblewhite C630 Valve Guides. These high-quality valve guides are engineered to provide superior service and optimize flow characteristics, ensuring your engine runs at its best. Made in the USA with precision and care, these valve guides are a must-have for any serious engine builder or motorcycle enthusiast.
Description
The Kibblewhite C630 Valve Guides are precision-machined from copper-based C63000 nickel-aluminum bronze, offering exceptional durability and heat resistance. Designed for compatibility with no-lead fuel and all types of valve-stem materials, these guides provide maximum service life, especially when used with chromed valve stems. The tapered nose design minimizes port obstruction, improving flow characteristics and boosting engine performance. They also accept OEM lower collars and OEM-style top hat valve seals (sold separately). With their superior design and construction, Kibblewhite valve guides ensure optimal valve seating and reduced wear, contributing to improved engine efficiency and longevity. Installation is straightforward, and these guides are a direct replacement for OEM components.
Features & highlights
- Precision-machined from high-quality C63000 nickel-aluminum bronze for superior durability.
- Compatible with no-lead fuel and all valve-stem materials, offering versatility.
- Tapered nose design minimizes port obstruction and maximizes flow characteristics.
- Provides maximum service life, especially with chromed valve stems.
- Accepts OEM lower collar and OEM-style top hat valve seals (sold separately).
- Ensures optimal valve seating and reduces wear for improved engine efficiency.
- Made in the USA, guaranteeing quality and precision.
Technical specifications
- Brand: Kibblewhite
- Material: C630 Bronze
- Application: Intake
- Inside Diameter: 0.2750"
- Outside Diameter: 0.5630"
- Length: 2.050"
Important to know
Note: OEM-style top hat valve seals are required but NOT included and must be purchased separately.
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
20-20691
Valve Guide
2.050"
0,5630"
0.2750"
Intake
C630 Bronze
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.

