VALVE INTAKE YZF400/426 98-02, KIBBLEWHITE 80-8055H
VALVE INTAKE YZF400/426 98-02, KIBBLEWHITE 80-8055H
This White Diamond® Stainless Steel Intake Valve is designed for Yamaha® WR™ and YZ™ 400/426 models from 1998 to 2002. Manufactured from a one-piece forging of EV8 Stainless Steel, it offers superior heat and corrosion resistance. The valve is precision CNC machined and finished with high-grade hard chrome plating, ensuring durability and optimal performance under high-stress conditions. Engineered with flow-optimised profiles and tested using advanced analysis tools, this valve is built for reliability and consistent intake performance.
Features
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CNC machined from a one-piece forging of EV8 Stainless Steel
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High heat and corrosion resistance
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Hard chrome finish applied using a 360-degree anode for uniform coating
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Designed using Finite Element Analysis (FEA)
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Flow-tested profiles for improved intake efficiency
Specifications
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Head Diameter: 27.00mm / 1.063"
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Stem Diameter: 4.50mm / 0.1765"
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Tulip Angle: 15 degrees
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Overall Length (OL): 84.39mm / 3.320"
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Standard size
Cross-Reference OEM Part Numbers
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Kibblewhite Part No. 80-8055H
Vehicle Fitments
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Yamaha WR 400 1998–2000
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Yamaha WR 426 2001–2002
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Yamaha YZ 400 1998–1999
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Yamaha YZ 426 2000–2002