White Diamond® Valve — KIBBLEWHITE (manufacturer part no: 30-32816K): dedicated engine valve for exhaust application for Cross and Supermoto machines. Designed to replace the original part on demanding cylinder heads, it is machined and treated according to recognised industrial processes.
- Manufacturing: one-piece forged part, CNC machining for machining accuracy and repeatability.
- Materials: EV8 stainless steel or Inconel-751 (as specified), selected for their heat and corrosion resistance.
- Coating: hard chrome electroplated with 360º anode for uniform plating.
- Application: exhaust (outlet valve)
- Tulip Angle: 23°
- Head Diameter: 31.00 mm (1.220 in)
- Origin: made in the USA
The White Diamond® valve is aimed at riders looking for a robust and precisely machined replacement part for their Cross or Supermoto cylinder heads. Ideal for cylinder head work, clearance checks, and valve seat refurbishment. Particularly suitable for the following models: HONDA CRF 450 R (2021), HONDA CRF 450 RX Supermoto (2018), and HONDA CRF 450 RX (2018).
Always check the exact compatibility with your engine and follow manufacturer tolerances during installation and valve seat running in.
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