VALVE SPRING SET KX450F 06-08, KIBBLEWHITE 40-40300 RACING, LIGHTWEIGHT RACING
VALVE SPRING SET KX450F 06-08, KIBBLEWHITE 40-40300 RACING, LIGHTWEIGHT RACING
This titanium racing spring kit is designed for Kawasaki KX450F models from 2006 to 2008, supporting valve lifts up to 0.415". The kit includes chrome silicon valve springs, titanium retainers, and high-tensile steel lower collars, engineered to withstand the demands of high-revving four-stroke engines while maintaining consistent performance and durability.
Features
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Chrome silicon racing valve springs
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Titanium retainers to reduce valvetrain weight
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High-tensile steel lower collars
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Designed for up to 0.415" valve lift
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Suitable for intake and exhaust valve applications
Specifications
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0.415" valve lift capacity
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50 lb seat pressure
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155 lb @ 0.415" lift
Cross-Reference OEM Part Numbers
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Part No. 65-717
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Kibblewhite #40-40300
Vehicle Fitments
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Kawasaki KX450F 2006–2008