VALVE GUIDE EXHAUST BRONZE STD, HONDA CRF250R 10-15, KIBBLEWHITE 30-31480

This standard exhaust valve guide is made from C63000 nickel-aluminium bronze and is designed for Honda CRF250R models from 2010 to 2015. With superior heat conductivity and wear resistance, this guide is engineered for high-performance engine environments. It features a standard outside diameter of 0.3965″ and is optimised for exhaust valve use.

Features

• Made from C63000 nickel-aluminium bronze

• Designed for exhaust valve applications

• Standard guide diameter: 0.3965″

• High thermal conductivity and wear resistance

• Engineered to maintain airflow efficiency and structural integrity under high heat

Specifications

• A: 0.820″ (20.84 mm)

• B: 0.820″ (20.84 mm)

• C: 0.650″ (16.52 mm)

• D: 0.770″ (19.57 mm)

• E: 0.394″ (10.01 mm)

• F: 0.1760″ (4.47 mm)

• G: 0.3965″ (10.07 mm)

Cross-Reference OEM Part Numbers

• Part No. 65-923+000

• Kibblewhite #30-31480

Vehicle Fitments

• Honda CRF250R 2010–2015