2Bros Parts

VALVE GUIDE EXHAUST BRONZE STD, KIBBLEWHITE 30-30620, Honda 04-07 CRF250R, 04-17 CRF250X

$18.72

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Delivery to United States 5–8 business days

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This standard exhaust valve guide is constructed from C63000 nickel-aluminium bronze, offering excellent wear resistance and heat conductivity for high-performance engine operation. It features a standard outside diameter of 0.3965 inches and is optimised for exhaust valve applications. Specifications include dimensions A: 0.740 inches (18.81 mm), B: 0.740 inches (18.81 mm), C: 0.675 inches (17.15 mm), D: 0.775 inches (19.70 mm), E: 0.394 inches (10.01 mm), F: 0.1955 inches (4.96 mm), and G: 0.3965 inches (10.07 mm). Part numbers include 65-919+000 and Kibblewhite #30-30620.

Specifications
SKU
65-919+000
Brand
Kibblewhite
Availability
In Stock (12)
General Product Group
Cam & Valvetrain
General Product Type
Valve Guide
Variant Id
264392
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Standard Exhaust Valve Guide

This high-performance exhaust valve guide is precision-engineered from C63000 nickel-aluminium bronze, a material renowned for its superior wear resistance and exceptional heat conductivity. This construction ensures reliable support for your exhaust valves, promoting durability and optimal engine performance, especially under demanding conditions. The guide features a standard outside diameter of 0.3965 inches and is specifically designed to minimize airflow disruption, contributing to efficient combustion and power output.

Key Features:

  • Constructed from robust C63000 nickel-aluminium bronze for extended lifespan.
  • Optimised for exhaust valve applications, ensuring proper function and sealing.
  • Standard outside diameter of 0.3965 inches for precise fitment.
  • Excellent wear resistance for consistent performance over time.
  • High thermal conductivity effectively dissipates heat, preventing premature wear.
  • Engineered to maintain optimal airflow within the combustion chamber.

Specifications:

  • Overall Length: 0.740 inches (18.81 mm)
  • Outer Diameter: 0.740 inches (18.81 mm)
  • Valve Guide Bore: 0.675 inches (17.15 mm)
  • Flange Diameter: 0.775 inches (19.70 mm)
  • Valve Guide Stem Clearance: 0.394 inches (10.01 mm)
  • Wall Thickness: 0.1955 inches (4.96 mm)
  • Standard Exhaust Valve Guide Diameter: 0.3965 inches (10.07 mm)
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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.

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