Kibble White Diamond Inlet valveRef : KIBW00118A / 09260108

The White Diamond® Kibblewhite valve (manufacturer part no. 80-80215H) is designed for engine preparations in motocross, enduro, and quad where the reliability of moving parts is crucial. CNC machined from forged monobloc parts in EV8 stainless steel or Inconel‑751, it maintains a precise tulip and stem geometry for a reproducible valve/seat clearance with each installation.

• Tulip angle: 15°
• Application: central intake
• Head diameter: 27.00 mm (1.063")
• Finish: electroplating with 360º anode for a uniform hard chrome coating
• Manufacturing: Made in USA, CNC machining on forged monobloc parts
• Note: requires the use of the Kibblewhite spring kit

Designed to maintain exact dimensions and a consistent seat surface, this valve fits competitive and recreational engines where valve arrangement is critical. Main applications observed: YAMAHA YZ 450 F (B11) 2017, YAMAHA YZ 450 F 60th Anniversary (B11) 2016, and YAMAHA YFZ 450 R (2016). For reliable installation, follow the manufacturer's recommendations and pair it with the appropriate spring kit.