KIBBLEWHITE Valve and Spring Kit (ref. 40-41450)
Specifically developed for motocross, this Kibblewhite intake conversion kit replaces the original components with parts designed to withstand the stresses of high revs. Ideal for KX 250 F (2017‑2019) and other compatible motocross machines, it includes lightweight valves, springs, and retainers for a more robust distribution and stable engine response.
Technical Specifications
- Application: intake
- Head diameter: 31.00 mm (1.220")
- Tulip angle: 20°
- Monoblock forged stainless steel valves
- Chrome-silicon treated wire springs
- Ultra-lightweight titanium retainers, hardened steel bases
- F.E.A. assisted design and camshaft analysis software
- Manufactured in the United States
Kit Contents
- 2x intake valves
- 2x base washers
- 2x valve springs
- 2x titanium retainers
Kibblewhite states that this kit extends the lifespan of the intake components compared to the original titanium parts. When installed and adjusted correctly, these parts provide a robust solution for riders seeking reliability and durability in intensive off-road use.
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