VALVE INTAKE CRF450 02-08, KIBBLEWHITE BLACK 30-30220, 14711-MEB-670 TRX450
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. Specifications: Valve Type: Intake, Head Diameter: 36.00 mm / 1.417", Stem Diameter: 5.50 mm / 0.2158", Tulip: 20 degrees, 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.
- SKU
- 65-407.KW.SS
- Brand
- Kibblewhite
- Availability
- In Stock (7)
FULL DESCRIPTION
Kibblewhite Black Diamond Intake Valve for CRF450R and TRX450R/ER
Upgrade your engine's performance and durability with the Kibblewhite Black Diamond standard intake valve. Engineered for high-strength applications, this valve is crafted from premium stainless steel and features Kibblewhite's proprietary Black Nitroneg coating on the stem.
Key Features:
- Black Diamond™ stainless steel construction for exceptional strength and longevity.
- Black Nitroneg-coated stem reduces friction and enhances wear resistance.
- One-piece forged design ensures maximum durability under stress.
- Optimized airflow and performance through Finite Element Analysis and flow bench testing.
- Designed as a direct replacement for standard intake valves.
- Must be used in conjunction with KPMI lightweight valve spring kits for proper installation and performance.
Specifications:
- Valve Type: Intake
- Head Diameter: 36.00 mm / 1.417 inches
- Stem Diameter: 5.50 mm / 0.2158 inches
- Tulip Angle: 20 degrees
- Overall Length: 84.26 mm / 3.315 inches
- Design: Standard


