VALVE GUIDE INTAKE BRONZE STD, KIBBLEWHITE 30-31070, HONDA CRF450X 2005-2017
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 
18+, T&Cs apply
This standard intake valve guide is made from C674 manganese bronze for engine builders seeking precision and ease of machining. It offers accurate tolerances and simplified installation using basic tools. The guide has a standard diameter of 0.4360 inches and can be easily reamed and honed. Specifications include dimensions A: 0.495" (12.58 mm), B: 0.520" (13.21 mm), C: 0.650" (16.52 mm), D: 0.760" (19.31 mm), E: 0.480" (12.20 mm), F: 0.2155" (5.47 mm), and G: 0.4360" (11.08 mm). Kibblewhite part number is 30-31070.
- SKU
- 65-916+000
- Brand
- Kibblewhite
- Availability
- In Stock (3)
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve Guide
- Variant Id
- 264389
FULL DESCRIPTION
Kibblewhite Bronze Standard Intake Valve Guide for Honda CRF450X
This Kibblewhite intake valve guide is precision-engineered from C674 manganese bronze, offering engine builders a durable and easily machinable component. Designed for the intake side of your engine, this guide provides a balance between strength and ease of installation, allowing for accurate tolerances and simplified fitting with basic tools.
Key Features:
- Constructed from high-quality C674 manganese bronze.
- Specifically designed for intake valve applications.
- Features a standard guide diameter of 0.4360 inches for precise fit.
- Easily reamed and honed using common workshop tools.
- Manufactured to KPMI® tolerances for reliable performance.
Specifications:
- Outer Diameter (A): 0.495 inches (12.58 mm)
- Outer Diameter (B): 0.520 inches (13.21 mm)
- Overall Length (C): 0.650 inches (16.52 mm)
- Flange Diameter (D): 0.760 inches (19.31 mm)
- Valve Guide Bore (E): 0.480 inches (12.20 mm)
- Flange Thickness (F): 0.2155 inches (5.47 mm)
- Inner Diameter / Bore Size (G): 0.4360 inches (11.08 mm)
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year 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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.