VALVE SPRING SET KX450F 06-08, KIBBLEWHITE 40-40300 RACING, LIGHTWEIGHT RACING
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This Kibblewhite 40-40300 racing valve spring set is designed for the Kawasaki KX450F 2006-2008. It supports valve lifts up to 0.415 inches and features chrome silicon racing valve springs, titanium retainers to reduce valvetrain weight, and high-tensile steel lower collars. This kit is engineered for high-revving four-stroke engines, offering consistent performance and durability. Specifications include a 0.415 inch valve lift capacity, 50 lb seat pressure, and 155 lb at 0.415 inch lift. This set is suitable for both intake and exhaust valve applications.
- SKU
- 65-717
- Brand
- Kibblewhite
- Availability
- In Stock (2)
Fitments (3)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KLX F 450 | 2006 |
| KAWASAKI | KLX F 450 | 2007 |
| KAWASAKI | KLX F 450 | 2008 |
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve Spring
- Variant Id
- 264342
FULL DESCRIPTION
Kibblewhite Lightweight Racing Valve Spring Set for Kawasaki KX450F
Upgrade your Kawasaki KX450F's valvetrain with this high-performance racing valve spring set from Kibblewhite. Engineered for demanding applications, this kit is designed to support valve lifts up to 0.415 inches, providing enhanced performance and reliability for your high-revving four-stroke engine.
Key Features:
- Chrome silicon racing valve springs for superior durability and performance.
- Lightweight titanium retainers significantly reduce valvetrain mass, improving engine response.
- High-tensile steel lower collars ensure a secure and stable spring seat.
- Optimized for valve lifts up to 0.415 inches, accommodating aggressive camshaft profiles.
- Suitable for both intake and exhaust valve applications.
Specifications:
- Maximum Valve Lift: 0.415 inches
- Seat Pressure: 50 lb
- Open Pressure at 0.415 inch lift: 155 lb
This valve spring set is a direct replacement for specific Kawasaki KX450F models, offering a significant upgrade in performance and strength compared to stock components.
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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.
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