VALVE GUIDE INTAKE BRONZE STD, KIBBLEWHITE 30-31070, HONDA CRF450X 2005-2017

This standard intake valve guide is designed for Honda CRF450X models from 2005 to 2017. Manufactured from C674 manganese bronze, it is intended for engine builders seeking a balance between precision and ease of machining. While softer than C630 nickel-aluminium bronze, it offers accurate tolerances and simplified installation using basic tools.

Features

• Made from C674 manganese bronze

• Designed for intake valve applications

• Standard guide diameter: 0.4360″

• Easily reamed and honed with basic tools

• Maintains KPMI® tolerances for precise fit

Specifications

• 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)

• G: 0.4360″ (11.08 mm)

Cross-Reference OEM Part Numbers

• Part No. 65-916+000

• Kibblewhite #30-31070

Vehicle Fitments

• Honda CRF450X 2005–2017