VALVE INTAKE CENTRE YZF400/426, KIBBLEWHITE 80-8056H, YZF400/426 98-02 YAMAHA
VALVE INTAKE CENTRE YZF400/426, KIBBLEWHITE 80-8056H, YZF400/426 98-02 YAMAHA
This White Diamond® Stainless Steel Intake Valve is designed for the center intake position on Yamaha® WR™ and YZ™ 400/426 models from 1998 to 2002. Precision CNC machined from a one-piece forging of EV8 Stainless Steel, it offers exceptional heat and corrosion resistance. Finished with high-grade hard chrome via a 360-degree anode process, this valve delivers durability and consistent performance. Engineered with flow-optimised profiles using Finite Element Analysis, it is suitable for high-demand engine applications.
Features
-
CNC machined from a one-piece forging of EV8 Stainless Steel
-
High resistance to heat and corrosion
-
Hard chrome finish applied with a 360-degree anode for uniform coating
-
Designed using Finite Element Analysis (FEA)
-
Flow-optimised profiles tested on a computerised flow bench
-
Recommended for use with Kibblewhite valve spring kits (Part No. 65-724)
Specifications
-
Head Diameter: 27.00mm / 1.063"
-
Stem Diameter: 4.50mm / 0.1765"
-
Tulip Angle: 15 degrees
-
Overall Length (OL): 83.37mm / 3.280"
-
Standard size
Cross-Reference OEM Part Numbers
-
Kibblewhite Part No. 80-8056H
Vehicle Fitments
-
Yamaha WR 400 1998–2000
-
Yamaha WR 426 2001–2002
-
Yamaha YZ 400 1998–1999
-
Yamaha YZ 426 2000–2002