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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This standard intake valve from Kibblewhite’s Black Diamond™ series is designed for Honda CRF450R and TRX450R/ER models. Manufactured from high-strength stainless steel and treated with a proprietary Black Nitroneg coating, the valve offers superior wear resistance, reduced friction, and excellent corrosion protection. It features a 36 mm head diameter and 5.5 mm stem, and is engineered for optimal airflow and durability. Use of KPMI lightweight valve spring kits is required for installation.
Features
Black Diamond™ stainless steel construction
Black Nitroneg-coated stem for friction reduction and durability
One-piece forged design for strength
Optimised with Finite Element Analysis and flow bench testing
Must be used with KPMI lightweight valve spring kits (Part No. 65-707)
Specifications
Valve Type: Intake
Head Diameter: 36.00 mm / 1.417"
Stem Diameter: 5.50 mm / 0.2158"
Tulip: 20º
Overall Length: 84.26 mm / 3.315"
Remarks: Standard
Part No.: 65-407_KW.SS
Cross-Reference OEM Part Numbers
Kibblewhite 30-30220
XU-09502I
Vertex 8400002-2
Wiseco VIT002
OEM 14711-MEB-670
Vehicle Fitments
Honda CRF450R (2002–2008)
Honda TRX450R / TRX450ER (2006–2013)