TRX 400EX 400X Stage 3 Three Hotcams Hot Cams Kibblewhite Valve Springs Complete
Upgrade Honda TRX400EX, 400X, XR400R with Stage 3 Hot Cams kit featuring Kibblewhite titanium springs, MLS gasket, seals, bearings, and chain.
Honda TRX400EX 400X XR400R Stage 3 Hot Cams Kit Kibblewhite Titanium Valve Springs Complete
📖 Product Description
Take your build to the next level with this Stage 3 Hot Cams Complete Performance Kit for Honda TRX400EX, 400X, and XR400R. Designed for aggressive riders and high-performance builds, this kit delivers increased horsepower, stronger valve control, and superior reliability at high RPM. Featuring premium components from Hot Cams, Kibblewhite, Cometic, SKF, and BPRATV, this setup is engineered for race-ready performance and long-term durability.
🔥 Key Features & Benefits
Built for serious performance gains, this kit enhances airflow, valve stability, and timing precision to unlock the full potential of your engine.
- Stage 3 Hot Cams Camshaft (Replaces OEM #14000-KCY-670, 14000-HN1-000, 14000-HN1-A70) for aggressive top-end power
- Kibblewhite Titanium Valve Spring Kit (.460" lift) for high RPM stability and durability
- Kibblewhite Red High-Temp Viton Valve Stem Seals for superior heat resistance and sealing
- Cometic Top End Gasket Kit with MLS Big Bore Head Gasket supports 85mm–89mm builds
- SKF OEM Upgrade Camshaft Bearings (Replaces OEM #91002-MN1-671, 91003-KF0-008)
- BPRATV Heavy Duty Timing Chain (Replaces OEM #14401-KCY-671) for precise timing
📦 Product Contents
This is a complete performance kit including all critical components for a top-end upgrade.
- Stage 3 Hot Cams Camshaft
- Kibblewhite Titanium Valve Spring Kit
- Kibblewhite Red Viton Valve Stem Seals
- Genuine KPMI RED Viton Stem Seals (no bait-and-switch blues!).
- Cometic Top End Gasket Kit with MLS Big Bore Head Gasket
- SKF OEM Upgrade Camshaft Bearings (Pair)
- BPRATV Heavy Duty Timing Chain
✅ Compatibility
Precision engineered for direct fitment across all compatible Honda models.
- Honda TRX400EX (All Years)
- Honda TRX400X (All Years)
- Honda XR400R (All Years)
- Compatible with stock 85mm and big bore 89mm engines
- Direct OEM replacement components included
❓ Frequently Asked Questions (FAQ)
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Q: Is this a complete top-end upgrade kit?
A: Yes, it includes camshaft, springs, seals, gaskets, bearings, and timing chain.
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Q: Does this kit support big bore engines?
A: Yes, the Cometic MLS big bore head gasket supports 85mm to 89mm builds.
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Q: Are these valve springs titanium?
A: Yes, this kit includes Kibblewhite titanium valve springs rated for high lift applications.
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Q: Do I need tuning after installation?
A: Yes, proper jetting or tuning is recommended for optimal performance gains.
🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. Every component in this kit is carefully selected to deliver maximum performance, reliability, and value for your ATV build. Trust BPRATV to keep your Honda TRX400EX, 400X, or XR400R running at its best, every single time.
Unleash maximum power—upgrade your 400EX with this Stage 3 performance kit today!
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
© BPRATV LLC
Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.
This product is exempt from the emission standards and related requirements of 40 C.F.R. §1051 as provided by 40 C.F.R. §1051.620, and California law. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing.