Kibblewhite C630 Valve Guides
Kibblewhite C630 Valve Guides
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Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Kibblewhite C630 Valve Guides are engineered for superior performance and durability in high-performance engines. Crafted from premium materials and machined to exacting standards, these valve guides ensure optimal valve stem contact and heat dissipation, contributing to increased engine efficiency and longevity. Upgrade your engine with Kibblewhite for reliability you can trust.
Description
These Kibblewhite C630 Valve Guides are precision-machined from copper-based C63000 nickel-aluminum bronze, offering exceptional wear resistance and thermal conductivity. Designed to be compatible with no-lead fuel and any type of valve-stem material, these guides provide maximum service life, especially when used with chromed valve stems. The tapered nose design minimizes port obstruction, significantly improving flow characteristics for enhanced engine performance. Accept OEM lower collar for ease of installation. These valve guides are proudly made in the USA, ensuring top-tier quality and precision.
Features & highlights
- Precision-machined from high-quality C63000 nickel-aluminum bronze for superior durability.
- Compatible with all valve-stem materials and no-lead fuel.
- Tapered nose design optimizes flow characteristics and minimizes port obstruction.
- Ensures maximum service life, especially with chromed valve stems.
- Accepts OEM lower collar for easy installation.
- Designed to accept OEM-style top hat valve seals (sold separately).
- Made in the USA, guaranteeing exceptional quality.
Technical specifications
- Brand: KIBBLEWHITE
- Material: C630 Bronze
- Application: Exhaust
- Inside Diameter: 0.2342"
- Outside Diameter: 0.4760"
- Length: 1.655"
Important to know
Valve seals are sold 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
20-21031
Valve Guide
1.655"
0.4760"
0.2342"
Exhaust
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.

