Honda TRX400EX TRX 400EX Assembled Cylinder Head Camshaft Chain Kit Cam Bearings
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, 14775-KCY-670, 14126-KV2-940, 14771-107-020, 14447-KF0-000, 14421-KCY-670, 30-3111, 30-3115, 30-3117, 71016-4, 1043-2, HC82RH2010112, H0402027S, 91002-MN1-671, 91003-KF0-008, 14000-KCY-670
Revitalize your Honda TRX400EX, 400X, or XR400R with a powerful new cylinder head and valve train from BPRATV.
Key features:
- Complete assembled cylinder head with valves, springs, rockers - bolt-on ready!
- High performance aftermarket head for more power
- Includes intake & exhaust valves, springs, retainers, seals
- High Performance Aftermarket Camshaft
- SKF OEM Upgrade Camshaft Bearings (Both)
- BPRATV Talon Heavy Duty OEM Replacement Cam Chain
- Fits all Honda TRX400EX, TRX400X, XR400R models/years
- Direct OEM replacement - easy installation
- High quality components for smooth, reliable performance
- 6 month warranty for peace of mind*
This complete cylinder head package has everything you need for a serious power upgrade. The high performance head flows more air for more power. It includes upgraded components like a stage 2 cam, SKF bearings, and BPRATV cam chain. Direct bolt-on design allows easy installation. Fits multiple Honda sport ATV models for instant horsepower gains. All quality components are designed to work together for smooth, reliable high performance.
Transform your TRX400EX, 400X, or XR400R with this bolt-on cylinder head kit. Get aggressive cams, better airflow, and professional-grade parts for max power output. Easy to install with no special tools needed. Made for Honda enthusiasts who crave more power from their sport ATV or Motorcycle. See a thrilling boost in acceleration and top speed with this must-have cylinder head package!
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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