Kibblewhite Valve Spring Kit .445" Lift
Kibblewhite Valve Spring Kit .445" Lift
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About this product
About this product
Upgrade your engine's valve train with the Kibblewhite Valve Spring Kit. This kit provides enhanced performance and reliability for both intake and exhaust valves. Engineered for high-performance applications, this kit ensures optimal valve control and prevents valve float, even at high RPMs.
Description
The Kibblewhite Valve Spring Kit is designed for use with standard and oversized valves, offering versatility for various engine builds. Each kit includes precision-engineered springs and lightweight titanium upper collars, with lower collars included where necessary. These components work together to improve valve response and increase engine efficiency. The springs are made from high-quality chrome-silicon, providing exceptional durability and resistance to fatigue under extreme conditions. This kit is designed to provide improved valve train dynamics and is crucial for maintaining consistent valve operation, maximizing horsepower and torque. The specified spring lift of 0.445" ensures compatibility with a wide range of camshaft profiles. Built to exacting standards in the USA, this kit provides the quality and performance you can rely on.
Features & highlights
- Optimized for both intake and exhaust valves.
- Includes lightweight titanium upper collars for reduced valve train mass.
- Chrome-silicon springs offer superior durability and resistance to fatigue.
- Engineered for use with standard and oversized valves.
- Improves valve response and engine efficiency.
- Maintains consistent valve operation at high RPMs.
- Made in the USA.
Technical specifications
- Brand: Kibblewhite
- Vendor Part Number: 40-40850
- Application: Exhaust, Intake
- Collar Material: Titanium
- Material: Chrome-Silicon
- Product Type: Valve Spring Kit
- Spring Lift: 0.445"
- Spring Open Pressure: Intake 162 lb, Exhaust 153 lb
- Spring Seat Pressure: Intake 50 lb, Exhaust 44 lb
Important to know
Keepers are not included and must be purchased separately. This spring kit is complete for one motor.
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
40-40850
Spring Kit
Intake 162 lb, Exhaust 153 lb
Intake 50 lb, Exhaust 44 lb
0.445"
Titanium
Exhaust, Intake
Chrome-Silicon
Valve
Kit
Reviews


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.
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