2Bros Parts

VALVE EXHAUST YZ450F 14-16, KIBBLEWHITE 80-80876, Yamaha YZ 450 2014-2019 YZ 450FX 2016-2020 WR 450F 2016-2021

£29.42

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UK delivery £4.99, free over £60 2–4 business days

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Black Diamond Stainless Steel Exhaust Valve manufactured from Black Diamond Stainless Steel. This one-piece forged valve is treated with a specialized German nitriding process for superior resistance to wear, corrosion, and friction. Developed using Finite Element Analysis and flow bench testing, this valve ensures consistent performance in high-demand off-road engine environments. Features include a nitrided surface for improved wear, corrosion resistance, and reduced friction, a one-piece forging for strength and durability, FEA design, and flow-tested profiles for efficient exhaust performance. Specifications include a Head Diameter of 30.50mm / 1.201", Stem Diameter of 5.47mm / 0.2155", Tulip Angle of 28 degrees, Overall Length (OL) of 85.85mm / 3.380", and is standard size. Kibblewhite Part No. 80-80876.

Specifications
SKU
65-6313.KW.SS
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (18)

MakeModelYear
YAMAHAWR 450F2016
YAMAHAWR 450F2017
YAMAHAWR 450F2018
YAMAHAWR 450F2019
YAMAHAWR 450F2020
YAMAHAYZ 450F2014
YAMAHAYZ 450F2015
YAMAHAYZ 450F2016
YAMAHAYZ 450F2017
YAMAHAYZ 450F2018
YAMAHAYZ 450F2019
YAMAHAYZ 450FX2014
YAMAHAYZ 450FX2015
YAMAHAYZ 450FX2016
YAMAHAYZ 450FX2017
YAMAHAYZ 450FX2018
YAMAHAYZ 450FX2019
YAMAHAYZ 450FX2020
General Product Group
Cam & Valvetrain
General Product Type
Valve - Exhaust
Variant Id
264245
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Black Diamond Stainless Steel Exhaust Valve

This Black Diamond™ Stainless Steel Exhaust Valve is engineered for high-performance off-road engines. Constructed from premium Black Diamond™ Stainless Steel, it undergoes a specialized German nitriding process that significantly enhances its resistance to wear, corrosion, and friction. Developed using advanced Finite Element Analysis and flow bench testing, this exhaust valve is designed to deliver consistent and efficient performance in demanding conditions.

Key Features

  • Manufactured from high-strength Black Diamond™ Stainless Steel.
  • Features a nitrided surface treatment for superior wear and corrosion resistance, and reduced friction.
  • One-piece forging ensures exceptional strength and durability.
  • Designed with Finite Element Analysis (FEA) for optimal structural integrity.
  • Flow-tested profiles guarantee efficient exhaust gas flow.

Specifications

  • Head Diameter: 30.50mm / 1.201 inches
  • Stem Diameter: 5.47mm / 0.2155 inches
  • Tulip Angle: 28 degrees
  • Overall Length (OL): 85.85mm / 3.380 inches
  • Standard size valve.

Manufacturer Part Number

  • Kibblewhite Part No. 80-80876
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UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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