2Bros Parts

VALVE EXHAUST KX450F 09-16, KIBBLEWHITE 40-40656 KAWASAKI, 12005-0049 KXF450

$34.57

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Delivery to United States 5–8 business days

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Standard replacement exhaust valve for Kawasaki KX450F models 2009-2016. Constructed from Black Diamond stainless steel with a nitriding process for enhanced durability, corrosion resistance, and reduced friction. Precision-engineered using Finite Element Analysis and computerised flow bench tested for reliable performance. Designed for use with Kibblewhite Lightweight Valve Spring Kits. Features Black Diamond stainless steel construction, nitrided surface treatment, and is engineered and tested for performance. Specifications include type: Exhaust, material: Black Diamond stainless, coating: Black Nitroneg, quantity: Pkg. of 1, head diameter: 31.01 mm / 1.221", stem diameter: 5.5 mm / 0.2150", tulip: 20°, overall length: 3.030", and remarks: Standard. Cross-reference OEM part number: Kibblewhite 40-40656.

Specifications
SKU
65-453.KW.SS
Brand
Kibblewhite
Availability
In Stock (3)

Fitments (10)

MakeModelYear
KAWASAKIKX 450F2009
KAWASAKIKX 450F2010
KAWASAKIKX 450F2011
KAWASAKIKX 450F2012
KAWASAKIKX 450F2013
KAWASAKIKX 450F2014
KAWASAKIKX 450F2015
KAWASAKIKX 450F2016
KAWASAKIKX 450F2017
KAWASAKIKX 450F2018
General Product Group
Cam & Valvetrain
General Product Type
Valve - Exhaust
Variant Id
263889
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Black Diamond Exhaust Valve for Kawasaki KX450F

Enhance the performance and durability of your Kawasaki KX450F with this premium Black Diamond Exhaust Valve from Kibblewhite. Engineered for precision and longevity, this valve is a standard replacement designed to meet the demands of high-performance riding.

Key Features:

  • Constructed from high-strength Black Diamond™ stainless steel for superior wear resistance.
  • Features a specialized nitriding surface treatment (Black Nitroneg) that significantly reduces friction and improves durability.
  • Precision engineered using Finite Element Analysis (FEA) for optimal performance and reliability.
  • Computerized flow bench tested to ensure consistent airflow and efficiency.
  • Designed for use with Kibblewhite® Lightweight Valve Spring Kits.
  • Standard replacement type, ensuring a precise fit.

Specifications:

  • Valve Type: Exhaust
  • Material: Black Diamond™ Stainless Steel
  • Coating: Black Nitroneg
  • Quantity: Pack of 1
  • Head Diameter: 31.01 mm / 1.221 inches
  • Stem Diameter: 5.5 mm / 0.2150 inches
  • Tulip Angle: 20 degrees
  • Overall Length: 3.030 inches
Before you buy

QUESTIONS? JUST ASK

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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