
TRX400EX / 400X / XR400R Kibblewhite Head Rebuild Kit
Honda TRX400EX / 400X / XR400R Kibblewhite Complete Cylinder Head Rebuild Kit
🛠️ Bring your Honda 400 motor back to life with this complete Kibblewhite head rebuild kit. Designed for durability and high-RPM performance, this kit includes everything needed to refresh your valvetrain using top-tier Kibblewhite components.
✅ What’s Included:
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Kibblewhite Lightweight Racing Valve Spring Kit
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Kibblewhite Black Diamond™ Intake & Exhaust Valves
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Kibblewhite Bronze Valve Guides
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Kibblewhite Viton Valve Stem Seals
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Valve Keepers
📦 Fitment:
This kit is compatible with all model years of:
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Honda TRX400EX (1999–2008)
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Honda TRX400X (2009–2014)
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Honda XR400R (1996–2004)
Full Fitment List (25 models total):
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1996–2004 Honda XR400R
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1999–2008 Honda Sportrax 400 TRX400EX 2x4
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2009–2014 Honda TRX400X 2x4
🛡️ Warranty Info:
All Kibblewhite components are backed by a limited manufacturer’s warranty against defects in materials and craftsmanship. Professional installation strongly recommended.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
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