FDY Performance
VALVE EXHAUST XR/TRX400 99-08, KIBBLEWHITE 30-3117 STAINLESS
VALVE EXHAUST XR/TRX400 99-08, KIBBLEWHITE 30-3117 STAINLESS
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Part No. 65-148.EX.KW (Off Road Only Ltd.)
Black Diamond Valves for Honda XR400 96-04 / TRX 400 99-08
Kibblewhite # 30-3117, EXHAUST
Head Diameter 29.00mm / 1.142 inc.
Stem Diameter 5.5mm / 0.2150 inc.
Tulip 29 degrees,
OL / 3.980 inc.
Standard OEM 14721-HN5-000
All KPMI Black Diamond stainless steel valves are impregnated by a special German process to a depth of .002,
with a surface build up of .0002. This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond? Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics.
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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