Honda 400EX & 400X
Honda TRX 400EX & 400X Kibblewhite Head Rebuild Kit Valves, Seals, Guides, Springs

Part #: (30-31)
Starting from $299.99

The best way to rebuild your head is here!!

Fits Honda TRX 400EX & 400X

Years 1999-2015

This head rebuild kit includes:

Kibblewhite Race Valve Spring Kit
Kibblewhite Black Diamond Intake & Exhaust Valves (Select Size)
Kibblewhite Bronze Valve Guides
Kibblewhite Viton Valve Stem Seals
Valve Keepers

Replace the OEM valves on your TRX400EX or 400X (all years and models) with these Kibblewhite stainless steel Black Diamond valves. Included are the mm intake and exhaust valves. The process Kibblewhite uses for all of it’s valves helps to reduce wear and friction, helping their valves perform better and last longer than OEM. But wait!!! An even better reason to go with Kibblewhite is they actually cost LESS than the OEM valves!!

FREE STANDARD SHIPPING is available in all US lower 48 states, APO addresses, and Puerto Rico via USPS or UPS. (*Exceptions apply for Alaska and Hawaii.)
Free standard shipping means we will select an option that gets you your parts as soon as possible while still being economically priced.

*Shipments to Alaska and Hawaii are free as long as the parts will fit in a USPS Priority Mail Flat Rate box or envelope.
For any other type of shipping there will be a charge.

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • District of Columbia • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming

Honda 400EX & 400X Honda TRX 400EX & 400X Kibblewhite Head Rebuild Kit Valves, Seals, Guides, Springs

Honda 400EX & 400X
Honda TRX 400EX & 400X Kibblewhite Head Rebuild Kit Valves, Seals, Guides, Springs