VALVE EXHAUST KX450F 06-08, KIBBLEWHITE 40-40316

This standard exhaust valve is a direct replacement for Kawasaki KX450F models from 2006 to 2008. Made from Black Diamond™ stainless steel, it features a nitrided surface for enhanced wear resistance and reduced friction. Engineered with precision using Finite Element Analysis and flow bench testing, this one-piece forged valve provides superior durability and performance under demanding conditions.

Features

• One-piece forged Black Diamond™ stainless steel construction

• Black Nitroneg coating for improved durability and reduced friction

• Designed with Finite Element Analysis and tested on flow benches

• Requires Kibblewhite® Lightweight Valve Spring Kits for optimal performance

Specifications

• Valve Type: Exhaust

• Material: Black Diamond™ Stainless

• Coating: Black Nitroneg

• Quantity: 1

• Head Diameter: 31.00 mm / 1.220"

• Stem Diameter: 5.5 mm / 0.2150"

• Tulip: 20º

• Overall Length: 3.230"

• Remarks: Standard

Cross-Reference OEM Part Numbers

• Kibblewhite 40-40316

Vehicle Fitments

• Kawasaki KX450F (2006–2008)