VALVE SPRING SET CRF250R 10-15, KIBBLEWHITE 30-31450 RACING, LIGHTWEIGHT HIGH-LIFT RACING
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Lightweight high-lift racing valve spring set for Honda CRF250R 2010-2015. Supports valve lifts up to 0.385 inches. Includes chrome silicon valve springs, titanium retainers, high-tensile steel lower collars, and valve seals. Designed for durability and consistent performance in high-revving four-stroke engines for both intake and exhaust applications. Specifications: Intake and Exhaust 0.385 inch valve lift, 50 lb seat pressure, 154 lb at 0.363 inch lift. Kibblewhite part number 30-31450.
- SKU
- 65-714
- Brand
- Kibblewhite
- Availability
- In Stock (3)
Fitments (6)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 250R | 2010 |
| HONDA | CRF 250R | 2011 |
| HONDA | CRF 250R | 2012 |
| HONDA | CRF 250R | 2013 |
| HONDA | CRF 250R | 2014 |
| HONDA | CRF 250R | 2015 |
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve Spring
- Variant Id
- 264339
FULL DESCRIPTION
Kibblewhite Lightweight High-Lift Racing Valve Spring Set
Enhance the performance of your high-revving four-stroke engine with the Kibblewhite Lightweight High-Lift Racing Valve Spring Set. This premium kit is engineered to support significant valve lift, ensuring optimal performance and durability for demanding racing applications.
Key Features:
- Chrome silicon high-lift racing valve springs for superior strength and longevity.
- Lightweight titanium retainers to reduce valvetrain mass, improving engine response.
- High-tensile steel lower collars provide a robust foundation for the valve springs.
- Includes essential valve seals for complete installation.
- Designed to support valve lifts up to 0.385 inches.
- Suitable for both intake and exhaust valve applications.
Performance Specifications:
- Intake: Designed for 0.385" valve lift, featuring 50 lb seat pressure and 154 lb of pressure at 0.363" lift.
- Exhaust: Engineered for 0.385" valve lift, also providing 50 lb seat pressure and 154 lb of pressure at 0.363" lift.
Component Details:
- Valve Springs: Chrome Silicon
- Retainers: Titanium
- Lower Collars: High-Tensile Steel
- Includes: Valve Seals
Cross-Reference Information:
- Kibblewhite Part Number: 30-31450
- OEM Equivalent Part Number: 65-714
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.