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FDY Performance

VALVE EXHAUST KX450F 09-16, KIBBLEWHITE 40-40656 KAWASAKI, 12005-0049 KXF450

VALVE EXHAUST KX450F 09-16, KIBBLEWHITE 40-40656 KAWASAKI, 12005-0049 KXF450

Regular price £32.80 GBP
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This exhaust valve is a standard replacement for Kawasaki KX450F models from 2009 to 2016. Constructed from Black Diamond™ stainless steel and treated with a specialised nitriding process, it offers enhanced durability, corrosion resistance, and reduced friction. Precision-engineered using Finite Element Analysis and tested on a computerised flow bench, this valve ensures reliable performance under high-load conditions.

Features

  • Black Diamond™ stainless steel construction for high strength and wear resistance

  • Nitrided surface treatment reduces friction and improves longevity

  • Engineered using Finite Element Analysis and flow bench tested

  • Designed for use with Kibblewhite® Lightweight Valve Spring Kits

Specifications

  • Type: Exhaust

  • Material: Black Diamond™ Stainless

  • Coating: Black Nitroneg

  • Quantity: Pkg. of 1

  • Head Diameter: 31.01 mm / 1.221"

  • Stem Diameter: 5.5 mm / 0.2150"

  • Tulip: 20º

  • Overall Length: 3.030"

  • Remarks: Standard

Cross-Reference OEM Part Numbers

  • Kibblewhite 40-40656

Vehicle Fitments

  • Kawasaki KX450F 2009–2016

FDY Performance – Engineered for riders who demand more.

At FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.

We’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.

📞 07765534854 | ✉️ fdy@fdyperformance.com | 🌐 www.fdyperformance.com

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