2Bros Parts

VALVE INTAKE CRF250R 10-15 BLACK DIAMOND SS, KIBBLEWHITE 30-31462, BLACK DIAMOND 14711-KRN-A40

£34.76

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

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Kibblewhite Black Diamond Intake Valve 30-31462. Head Diameter 30.50mm, Stem Diameter 5.00mm, Tulip 20 degrees, Overall Length 89.00mm. Made from stainless steel and impregnated by a special German process for improved wear properties and reduced friction, offering superior resistance to corrosion and wear. Requires KPMI Lightweight Valve Spring Kits part no 65-714.

Specifications
SKU
65-461.KW.BD
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (8)

MakeModelYear
HONDACRF 250R2010
HONDACRF 250R2011
HONDACRF 250R2012
HONDACRF 250R2013
HONDACRF 250R2014
HONDACRF 250R2015
HONDACRF 250R2016
HONDACRF 250R2017
General Colour C
Black
General Product Group
Cam & Valvetrain
General Product Type
Valve - Intake
Variant Id
263927
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Precision Black Diamond Intake Valve for CRF250R

Enhance your motorcycle's performance and reliability with the Kibblewhite Precision Black Diamond Intake Valve. Engineered for superior durability and efficiency, this intake valve is designed to meet the demanding needs of high-performance engines.

The Black Diamond treatment is a special German impregnation process that penetrates 0.002 inches deep with a minimal 0.0002-inch surface buildup. This advanced treatment significantly improves wear properties and reduces friction, offering corrosion and wear resistance that surpasses traditional hard chromium and electrolysis nickel plating.

These valves are exceptionally lightweight, and their precisely designed profiles promote excellent airflow characteristics, contributing to improved engine power and responsiveness.

  • Material: Black Diamond Stainless Steel
  • Stem Treatment: Black Nitroneg Stems for enhanced durability and reduced friction.
  • Head Diameter: 30.50mm (1.201 inches)
  • Stem Diameter: 5.00mm (0.1961 inches)
  • Tulip Angle: 20 degrees
  • Overall Length (OL): 89.00mm (3.504 inches)
  • Specialized Process: Impregnated for superior wear, reduced friction, and corrosion resistance.
  • Flow Characteristics: Designed for excellent flow.

Important Note: When installing Kibblewhite Black Diamond Valves, it is mandatory to use KPMI Lightweight Valve Spring Kits. Please use part number 65-714 for compatible spring kits.

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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