Description
Upgrade your Yamaha YZ250F or WR250F with the Kibblewhite Tensilite® Titanium Exhaust Valve. This valve is dimensionally identical to the original part, but crafted from high-strength titanium alloys for superior durability. It features a one-piece forged construction with uninterrupted grain flow, CNC machined and finished with a PVD Chromium Nitride (CrN) coating for exceptional wear, abrasion, and corrosion resistance. Every stem is super-finished to ensure smooth operation and optimal coating consistency, meeting Formula 1 standards. Designed using advanced Finite Element Analysis and tested for optimal flow, this valve offers outstanding performance at and above operating temperatures. Made in the USA for premium quality and value-conscious rebuilds.
- Material: Forged titanium alloy (6AL4V or 6-2-4-2)
- CrN PVD coated for low friction and high resistance to impact and corrosion
- Head Diameter: 24.50 mm (0.965")
- Stem Diameter: 4.00 mm (0.1758")
- Tulip Angle: 25°
- OEM replacement fitment
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