The Story
This Black Diamond™ Stainless Steel Intake Valve is designed for Yamaha® YZ™ and WR™ 450 models from 2014 to 2021. Precision-forged as a one-piece component and treated with a German nitriding process, this valve offers improved surface hardness, wear resistance, and corrosion protection. Engineered using Finite Element Analysis and validated through flow bench testing, it delivers consistent performance in demanding off-road applications.
Features
-
Manufactured from Black Diamond™ Stainless Steel
-
Nitrided surface treatment enhances wear resistance and reduces friction
-
One-piece forging for structural integrity and durability
-
Designed using Finite Element Analysis (FEA)
-
Flow-tested for optimised intake efficiency
Specifications
-
Head Diameter: 37.00mm / 1.457"
-
Stem Diameter: 5.50mm / 0.2158"
-
Tulip Angle: 20 degrees
-
Overall Length (OL): 83.31mm / 3.280"
-
Standard size
Cross-Reference OEM Part Numbers
-
Kibblewhite Part No. 80-80872
Vehicle Fitments
-
Yamaha YZ 450 2014–2019
-
Yamaha YZ 450FX 2016–2020
-
Yamaha WR 450F 2016–2021
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
This Black Diamond™ Stainless Steel Intake Valve is designed for Yamaha® YZ™ and WR™ 450 models from 2014 to 2021. Precision-forged as a one-piece component and treated with a German nitriding process, this valve offers improved surface hardness, wear resistance, and corrosion protection. Engineered using Finite Element Analysis and validated through flow bench testing, it delivers consistent performance in demanding off-road applications.
Features
-
Manufactured from Black Diamond™ Stainless Steel
-
Nitrided surface treatment enhances wear resistance and reduces friction
-
One-piece forging for structural integrity and durability
-
Designed using Finite Element Analysis (FEA)
-
Flow-tested for optimised intake efficiency
Specifications
-
Head Diameter: 37.00mm / 1.457"
-
Stem Diameter: 5.50mm / 0.2158"
-
Tulip Angle: 20 degrees
-
Overall Length (OL): 83.31mm / 3.280"
-
Standard size
Cross-Reference OEM Part Numbers
-
Kibblewhite Part No. 80-80872
Vehicle Fitments
-
Yamaha YZ 450 2014–2019
-
Yamaha YZ 450FX 2016–2020
-
Yamaha WR 450F 2016–2021
