KIBBLEWHITE - 30-30640 - Valve Spring Kit - '02-'08 Honda CRF450R
Kibblewhite's 30-30640 valve spring kit is built specifically for '02-'08 Honda CRF450R engines and includes the springs along with titanium upper collars, plus lower collars where the application calls for them, engineered to work with both standard and oversized valves. It's a complete set for one motor, though keepers aren't included, so plan to reuse or source those separately. Made in the U.S.A.
Features
- Spring kit contains springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves
- Spring kit comes complete for one motor
- Keepers are not included
- Made in the U.S.A.
Specs
- Material: Chrome-Silicon
- Type: Valve
- Model: Lightweight Racing
- Riding Style: Off-Road
- Application: Intake
- Spring Open Pressure: Intake 147 lb, Exhaust 203 lb
- Application: Exhaust
- Collar Material: Titanium
- Spring Lift: 0.440"
- Product Name: Spring Kit
- Units: Kit
Frequently Asked Questions - KIBBLEWHITE - 30-30640 - Valve Spring Kit - '02-'08 Honda CRF450R
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
