Kibblewhite Top End Kit TRX 400EX 400X XR400R Valves Seals MLS Gaskets Complete
Kibblewhite Top End Kit TRX 400EX 400X XR400R Valves Seals MLS Gaskets Complete
30-3115, 30-3117, 30-3111, 30-3115, 71016-4, 71016 14711-KCY-670, 14721-KCY-670, 14411-KCY-670, 14431-KCY-670, 14445-KF0-000, 14446-KF0-000, 14751-KCY-670, 14761-KG0-003, 14451-MBV-000, 14781-HA0-770, 14455-KCY-670, 14456-KCY-670, 14771-107-020, 14447-KF0-000, 14421-KCY-670, 14775-KCY-670, 14126-KV2-940, 12100-KCY-670
🔥 Honda 400EX/400X/XR400R Kibblewhite Valves + RED Viton Seals + Gasket Kit 🔥
🛠️ Product Overview
Restore or upgrade your Honda TRX 400EX, 400X, or XR400R engine with this top-end valvetrain rebuild kit featuring high-performance Kibblewhite Black Diamond valves, legendary red Viton valve stem seals, and a premium stock bore top-end gasket kit. Designed to exceed OEM performance at a better price.
✅ What’s Included
- Full set of Kibblewhite Black Diamond stainless steel valves – intake and exhaust
- Kibblewhite RED Viton high-temp valve stem seals – legendary sealing performance
- Stock bore 85mm Top-End Gasket Kit – includes MLS head gasket, base gasket, and valve cover gasket
🚚 Model Fitment
• Honda TRX400EX (1999–2008)
• Honda TRX400X (2009, 2012–2014)
• Honda XR400R (1996–2004)
🔁 OEM Replacement
• Designed as a direct OEM replacement for stock Honda valves and gaskets
• Works with stock or aftermarket valve springs and top-end components
🏆 Why You’ll Love It
- Performance upgrade: Kibblewhite Black Diamond valves flow better and last longer
- Superior sealing: Red Viton valve seals handle high temp and pressure
- Gasket quality: Includes premium MLS head gasket for lasting compression
- Cost-effective: Higher quality than OEM without the dealership price tag
- Reliable: Covered by a 1-year warranty and trusted by pro builders
❓ Frequently Asked Questions
- Q: Does this fit the 2007 TRX400EX? – Yes, it fits all 400EX models from 1999–2008.
- Q: Are these valves better than OEM? – Yes, they’re stronger, more durable, and flow better.
- Q: Will this work with OEM valve springs? – Absolutely! It’s designed for stock or performance springs.
- Q: Is this kit made in the USA? – Yes, all Kibblewhite components are proudly made in the USA.
🌟 Why Buy from BPRATV?
BPRATV – The Best Parts. The Best Performance. The Best Price.
Ships sealed, brand new, and backed by full BPRATV support and 1-year warranty.
BRAPPPPPPPPPP!
Drop in legendary Kibblewhite performance—rev harder, seal better, ride longer! 🏁
© BPRATV LLC
30-3115, 30-3117, 30-3111, 30-3115, 71016-4, 71016 14711-KCY-670, 14721-KCY-670, 14411-KCY-670, 14431-KCY-670, 14445-KF0-000, 14446-KF0-000, 14751-KCY-670, 14761-KG0-003, 14451-MBV-000, 14781-HA0-770, 14455-KCY-670, 14456-KCY-670, 14771-107-020, 14447-KF0-000, 14421-KCY-670, 14775-KCY-670, 14126-KV2-940, 12100-KCY-670
PROFESSIONAL INSTALLATION REQUIRED
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NOTICE REGARDING PHOTOS: Product photos used in our listings are for example only to show the high quality of our components. You will receive the correct quantity, size, and fitment of bearings, titanium fasteners, nuts, and bolts for the specific kit listed.
BEARING NOTICE: In some cases, you may receive SEALED bearings. If your application requires an OPEN bearing, the seals can easily be removed.
EMISSIONS & RACE USE ONLY: This product is exempt from emission standards and requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code §§ 27156 and 38391]. Sold ONLY for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing. Installation may void vehicle manufacturers' warranty and/or may be illegal in some locations.
WARRANTY & LIABILITY: © BPRATV LLC 1-year limited warranty from manufacturer for material/workmanship defects.* Due to the nature of high performance and racing, components are sold without express/implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not be liable for specific, incidental, or consequential damages (loss of property, equipment, profits, or revenue) resulting from sale, installation, or use of these parts. This product is NOT DIY; we strongly recommend work be done by a qualified, experienced mechanic.
RETURNS: Returns accepted within 30 days for items 100% complete, brand new, and in original packaging. Items installed or prepped (lubricated/sealed) are ineligible. For warranty consideration, parts MUST be sent back for physical inspection. No exceptions. We do not warranty based on photos, emails, or third-party assessments.
SPECIALTY WARRANTIES: Cub Cylinders: Lifetime warranty for original owner via BPRATV/Millennium Technologies inspection; covers cylinder only. Titanium Fasteners: Failure during use results in replacement only. Neither warranty covers improper tuning, installation, maintenance, or misuse.
INTERCHANGEABLE PARTS: We may substitute parts of equal quality from different manufacturers to prevent backorder delays. Prices and listings subject to change without notice.
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