2Bros Parts

VALVE EXHAUST CRF450R 02-08 BLACK DIAMOND SS, KIBBLEWHITE 30-30223 DIAMOND

£39.83

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Kibblewhite Precision Black Diamond Exhaust Valve. Part No. 30-30223. Made from Black Nitride Steel. Head Diameter: 31.00mm (1.220 inches). Stem Diameter: 5.00mm (0.1957 inches). Tulip Angle: 20 degrees. Overall Length: 3.310 inches. Features Black Diamond treatment for improved wear, reduced friction, and superior corrosion resistance. Designed using Finite Element Analysis and tested on computerized flow benches for excellent flow characteristics. Lightweight, strong, one-piece forgings. Cross reference numbers: 14721-MEB-670, PSYCHIC XU-09534E, WISECO WES002.

Specifications
SKU
65-408.KW.BD
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (16)

MakeModelYear
HONDACRF 450R2002
HONDACRF 450R2003
HONDACRF 450R2004
HONDACRF 450R2005
HONDACRF 450R2006
HONDACRF 450X2005
HONDACRF 450X2006
HONDACRF 450X2007
HONDACRF 450X2008
HONDACRF 450X2009
HONDACRF 450X2010
HONDACRF 450X2011
HONDACRF 450X2012
HONDACRF 450X2013
HONDACRF 450X2014
HONDACRF 450X2015
General Colour C
Black
General Product Group
Cam & Valvetrain
General Product Type
Valve - Exhaust
Variant Id
263717
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Precision Black Diamond Exhaust Valve

This premium exhaust valve from Kibblewhite Precision is designed to enhance the performance and longevity of your motorcycle's engine. Crafted from high-quality Black Nitride Steel, this valve undergoes a specialized German impregnation process that significantly improves wear resistance, reduces friction, and offers superior protection against corrosion compared to traditional plating methods.

Key Features:

  • Material: Black Nitride Steel
  • Impregnation Process: German treatment for enhanced durability and reduced friction.
  • Design: Engineered using Finite Element Analysis (FEA) for optimal performance and tested on computerized flow benches to ensure excellent flow characteristics.
  • Construction: Lightweight, strong, one-piece forging.
  • Head Diameter: 31.00mm / 1.220 inches
  • Stem Diameter: 5.00mm / 0.1957 inches
  • Tulip Angle: 20 degrees
  • Overall Length: 3.310 inches

Important Note: For optimal performance and to ensure the integrity of the Black Diamond valves, it is recommended to use KPMI Lightweight Valve Spring Kits (Part No. 65-707) during installation.

This exhaust valve is engineered to provide improved durability, reduced friction, and superior flow characteristics, making it an excellent upgrade for high-performance applications.

Before you buy

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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.

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

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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