Kibblewhite Valve Spring Kit .440" Lift
Kibblewhite Valve Spring Kit .440" Lift
Available in stock (4)
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Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Upgrade your engine's valve train with the Kibblewhite Valve Spring Kit. This performance kit is designed to enhance valve control and improve overall engine performance, offering superior reliability and durability for both intake and exhaust valves.
Description
The Kibblewhite Valve Spring Kit is engineered for use with standard and oversized valves, providing optimized performance across a range of engine builds. Featuring chrome-silicon springs and lightweight titanium upper collars, this kit reduces valve train mass, allowing for higher RPMs and improved engine response. The precisely matched spring rates ensure proper valve seating and prevent valve float, contributing to consistent power delivery. Each kit is designed to provide optimal performance for both intake and exhaust valves, improving engine efficiency and horsepower. Built to withstand the demands of high-performance engines, this valve spring kit delivers reliability and longevity.
Features & highlights
- Optimized for standard and oversized valves, enhancing versatility.
- Includes titanium upper collars for reduced valve train mass and increased RPM potential.
- Chrome-silicon springs offer superior durability and resistance to fatigue.
- Precision-engineered spring rates ensure optimal valve control and prevent valve float.
- Improves engine response and power delivery for enhanced performance.
- Designed for both intake and exhaust valves to maximize engine efficiency.
- Made in the USA, ensuring high-quality materials and manufacturing.
Technical specifications
- Brand: Kibblewhite
- Vendor Part Number: 30-31250
- Application: Exhaust, Intake
- Collar Material: Titanium
- Material: Chrome-Silicon
- Product Name: Spring Kit
- Spring Lift: 0.440"
- Spring Open Pressure: Intake 147 lb, Exhaust 203 lb
- Spring Seat Pressure: Intake 40 lb, Exhaust 71 lb
- Type: Valve
- Units: Kit
Important to know
Keepers are not included. This spring kit comes 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
30-31250
Spring Kit
Intake 147 lb, Exhaust 203 lb
Intake 40 lb, Exhaust 71 lb
0.440"
Titanium
Exhaust, Intake
Chrome-Silicon
Valve
Kit


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.

